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50 vlead acid battery desulfator Desulfator-Conditioner Rev

C. The basic circuit has been done. Charge or repair all 12-volt and 24volt lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats marine, etc. 95. 6 out of 5 stars 594. NOCO GENIUS5, 5A Automatic Smart Charger, 6V and 12V Portable Automotive Car. C. line current is converted to approximately 40 volts D. NEW REPLACEMENT AVAILABLE FOR ANY QUALITY ISSUE. When your car’s alternator recharges the battery the process works in reverse, and the lead sulfate is reconverted into lead and sulfuric acid through a process called gassing (in which. Now, attach the desulfator to the power supply, or use the charger to start charging as well as the desulfation process. It works quite well. It is not a proven theory and its mechanisms are not known. Designed for use with 6- or 12-volt lead-acid batteries, maintenance-free batteries, AGM, gel, and lithium-ion batteries. 64. Most desulfators will continue to pulse when your battery is in a low state. IRF9Z34 LM555CN 79L12 GI826CT 30 F, 16 V 0. Also, many products available in the. There are a few different ways to desulfate a lead acid battery. 95. Lead Acid Battery Desulfation > All > Pulse Charging and Desulfation > Simple Direct Drive Desulfator PCB thread . New 2A Lead Acid Battery Desulfator Rejuverate Batteries Auto Pulse Regenerator. 7 Top 12 Best battery Desulfator On the market Reviewd; 8 1. )the float at 13. If you want My PlayHouse. Key benefits of using battery desulfurizers include extending the life of lead-acid batteries, improving their performance and capacity, and potentially saving money on replacement batteries. PP-12-L Desulfator. For lead-acid batteries, the typical double-layer capacity of the positive electrode lies in the range of 7–70 F(Ah) −1, while the negative electrode has a typical double-layer capacity of 0. balls. Over time, sulfate deposits build up on the plates within a lead acid battery. Battery Desulfator. Hence, desulfation circuit or charge controller is placed along with the rechargeable lead-acid battery for proper charging and subsequently sulfating gets reduced. Epsom salt in lead-acid battery. Because I don't have a warm garage I may just have to wait until warm weather returns before I can fully do the circuit justice in testing it. 5 amps even if connected to a 7Ah battery. 100% = 12. Within 90 days. We highly recommend using an onbaord desulfator on your new lead acid battery as it will extend its effective life 2-3 times. Over time, sulfate deposits build up on the plates within a lead acid battery. 4. To reduce heatsinks and costly thyristors, an single-pole-four-way switch could be applied to select. It occurs when the battery is not fully charged, and lead sulfate crystals build up on the battery plates. Take your time. DISCUSSIONS. 2. 1 ohm resistor (or less) put it in series with the positive battery lead. USA Seller - Heavy Duty all Metal Battery Desulfator 12V - 72v. Steps to follow:-. If improvement is seen, continue until battery voltage reaches full capacity level or no further increase is seen. desulfate battery with baking soda;. Lead Acid Battery Desulfator 12V 24V 36V 48V Battery Regenerator 2A Auto Pulse. 2V ,Lithium,LiFePO4,Lead-Acid AGM/Gel/SLA. 1. Hard sulfation is typically permanent battery damage. And here is the configuration: 1- A 1000VA transformer, 24V out. TecMate TM-341DUAL OptiMate. Use a standard light dimmer and 1uF or so mains rated cap in series to a bridge rectifier. Qty. 0 F(Ah) −1. 1. FREE Returns . Sulfation, the number one cause of premature battery failures, can be safely reversed using an electronic device that produces high frequency electronic pulses called a desulfator. Worked like a charm afterward. By Phillip Torrone. 01 DF and I am starting to think that this is too high. $162. In either case, you can use an automatic desulfator or a suitable circuit that can rearrange. 2V battery voltage. 100. Wehmeyer says aspirin is acetylsalicylic acid, which eventually breaks down into acetic acid. Discharge of the battery (allowing electrons. Add to Cart . 04. The second step is a settling period of 1 second. Lower restriction for charging standard lead-acid batteries at 14. It is levels above the common desulfators. NOTE> While it took a week or more for the battery's voltage on the Barker Desulfation circuit to measure 16. The lead–acid battery is a type of rechargeable battery first invented in 1859 by French physicist Gaston Planté. Get it as soon as Wednesday, Sep 13. This video prov. I'm seeking ideas for making a pulsing lead-acid desulfation circuit design. If at all possible, operate at moderate temperature and avoid deep discharges; charge as often as you can (See BU-403: Charging Lead Acid) 12V Lead Acid Battery Desulfator SLA AGM Battery Life Extender with Shell Product Parameters: INPUT VOLTAGE: 12Vdc OUTPUT VOLTAGE :30V (pk-pk) RATED CURRENT:40mA Average FREQUENCY RANGE :1. Battery damage does not occur during this process. Agitating a wet-cell battery periodically while using a. 1. They want to connect a box "A" to terminal "B" and have their. I have put up a Web page that will give more details to help you build and use the desulfator circuit. $98. A place where builders and u. ADD TO CART. Lead Acid Battery Desulfation > All > Pulse Charging and Desulfation > Direct Drive Desulfator Design . Let’s explore some of these effective techniques: 1. This process should take about 4 hours. Restore, Improve & Extend Life of all flooded liquid cell acid batteries. View on Amazon. PowerPulse 735X012. You may trim the wire leads with wire cutters. MESSAGES. 50 KHz How to Use 1. 022 F 0. ] In this article we investigate 4 simple yet powerful battery desulfator circuits, which can be used to effectively remove and prevent desulfation in lead acid batteries. 99. So the higher the pulse for a given avg amperage drawn the better the battery's condition. An object that has a natural frequency of vibration of 1. 1. If the battery is too badly sulfated and will not take a charge you will need a battery desulfator like I mentioned in the link above. $148. Sulfation is the most common cause of battery death but a conditioner charger (desulfator charger) or desulfator are highly effective at removing it. 8v (30%) in open circuit. If a 12V lead-acid battery sits with a voltage below 12. DIY Two In Parallel Electronic Water Descaler Assembled Kit for Copper PVC Pipe. The lead plate reacts with the electrolyte (sulfuric acid) and leaves lead sulfate (PbSO 4), and a free electron. $18. 5% coupon applied at checkout Save 5% with coupon. Ed. 43V initially, now when I connect the desulfator up to the battery, that reading can be acquired in a relatively short order (ie a few hours if the battery has been recently desulfated). Connect your desulfation charger to the battery and select the recon or repair mode. Some even suggest draining the old acid and refilling with Epsom salt in distilled water solution. Don Denhardt has assembled a gallery of dissected batteries, showing their internal anatomy. This crystal growth. . Connect a lab power supply with the voltage limit set to 20V or higher, set the current limit to 2. Share. Fully automatic operation and very simple to set up. Preserves new batteries. can someone tell if my setup will work as i am very new to this desulfator thing. HOME PAGE. 5 offers from $20. 30,129. 99. Connect the load tester to the positive terminal of the battery first, then the negative terminal. I put the scope across a . The chemical reaction that occurs at the positive electrode and negative electrode of the battery are as follows [3]: 2 2 4 4 2 22 discharge I dont have experience with desulfators but i did replace the sulfuric acid electrolyte with alum on a dead otherwise lead acid battery. With frequent use of the battery, not all lead sulfate will be converted, and they soon accumulate on the plates. 2. More Buying Choices $124. The average current into the battery will be less than 1. 4 out of 5 stars 1,050 A battery desulfator kit is a device that is used to clean the sulfate deposits from the lead plates in a lead acid battery. Desulfator-Conditioner Rev. Eliot. Ship From. 82 continues. 9 out of 5 stars 215 ratings. 12 Volt Lead Acid Battery Desulfator - New: Power Electronics: 7: Jan 1, 2016: J: 12 Volt Lead Acid Battery Desulfator: Power Electronics: 19: Sep 9, 2014: Similar threads; 555 timer used with regular lighting on a 12 volt 1 amp circuit. . Lead Acid Battery Desulfation > All > Desulfator - 555 based and all pulse output stages > German Desulfator Details. 99. Once the voltage reaches above 12 V, you can remove the charger and plug the desulfator to start desulfating operation. Free shipping. Identify the bad cells :-. The recovering of a lead-acid battery into its parts is a complex, time consuming and polluter industry that need to high cost and energy. 100% Full - Time U. 6V/29. , the Battery Life Saver is designed to restore and rejuvenate old batteries sufferring from the. Meet the GENIUS2 - Similar to our G1100, just better. line current is converted to approximately 40 volts D. $17. The public wants finished products. Availability: BatteryMINDer® 12106 is a 2 stage Charger-Maintainer-Desufator that extends performance and life of 6 Volt lead acid batteries including flooded (filler cap, maintenance-free, valve regulated lead-acid [VRLA], sealed lead-acid [SLA]), starter, deep cycle and hybrid. Welcome deal. 2 Amps measured over a 1 OhmThe peak of 14. A desulfator or battery reconditioner is defined as a device that restores the capacity of a lead-acid battery. BatteryMINDer OBD-24 On Board Desulfator 24 Volt. The lead plate reacts with the electrolyte (sulfuric acid) and leaves lead sulfate (PbSO 4), and a free electron. 9 3. The inductors are just there to charge the capacitors. 3. 022 µF. 1; 5: 1; 5: 3; 7; Free returns. This device can charge and recondition 6V/12V lead-acid and lithium-ion batteries, with 9 charging modes and desulfation function. . we charge upto 2. Charging Process of a Lead Acid Battery Lead acid battery have anode made of lead (Pb) and the cathode made from lead dioxide (PbO2), H2SO4, and a separator between the two electrodes. In the formatting phase, the plates are in a sponge-like condition surrounded by liquid electrolyte. Typical: $27. This is beyond the capability of a voltage doubler. When I connected the device in a battery, the circuit is working. Replace the battery caps on the battery. The desulfator should be installed as close as possible to the battery terminals. Electronic desulfators are the safest and the most effective way to keep your batteries free of damaging sulfation. This process can help to restore the battery to its full capacity. Connect the battery under charge reversely for a very short moment from time to time (max 5% of the entire charging period), one reverse connection not longer than 250ms. Lead acid battery desulfators (pulsers) recover old batteries and extend the life of new ones. To prevent sulfation in your lead-acid battery, you should ensure that it is always kept charged. 0 out of 5 stars 3 ratings. Buy It Now. 3. The lid hole will allow you to observe the LED, while the desulfator is used. System', on Wed, 11 Feb 2004: The problem seems to be sulfation. Add to Cart. This is an exce. FREE delivery Wed, Nov 22 on $35 of items shipped by Amazon. Refilling lead acid battery cells with distilled water . Success rate is better than 60%. 48 Volt PowerPulse PP-48-L Lead-Acid Battery Desulfator. Using a Desulfator: One of the simplest and most commonly used methods is to use a desulfator. ) (With a DF of . And finally, a 5 second period to measure the battery voltage. $ 5999. It utilizes pulse current to desulfate the sulfation of the battery at its resonant frequency. This sulfation will gradually build and limit the battery's ability to charge, store, and release energy. $25. 50+ bought in past month. Discover numerous 12 volt sealed lead acid batteries at Battery Mart. For smaller packs from 12 to 48 volts and up to 1,500 Ah see our lower capacity product EX02 12-48-400. HULKMAN Sigma 10 Amp Fast Car Battery Charger and Maintainer for 6V and 12V Battery with LED Screen Trickle Charger and Desulfator for Lead-Acid and Lithium-ion Battery for Car Truck and More $129. The GENIUS1 is a 6-volt and 12-volt battery charger, battery maintainer, and battery desulfator rated at 1-amp for lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. Measure across D4 with the positive lead on the cathode. 4. Here is a quick video that will show you what the lead plates look like in a typical sulfated lead acid battery and in a desulfated battery. Here is the 12 volt desulfator that I have built using the circuit schematic below. Lead Acid Battery Desulfation > All > Desulfator - 555 based and all pulse output stages > German Desulfator Details. When one replaces the electrolyte. It is not a proven theory and. 0033 Ohm. For a standard lead-acid battery, it will typically take between 24 and 48 hours for the desulfator to start working. It seems stuck at length information is the easy way to give the site links I found only the. $59. Rejuvenation can last for years, but is not infinitely repeatable. 5A) and L2(Idc 2. 75-Amp Car Battery Charger, 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries. 100% Full - Time U. It looks like a pretty simple device that sends pulses to lead acid batteries to help clean the battery plates. Battery Life Savers BLS-48N Desulfator for 48V Golf Carts. Charge battery to its maximum level. Determine the internalThe Battery Extra restores and recovers battery performance in lead acid batteries. 95. 6V LiFePO4 Battery Charger AC-DC Smart Charger for Lithium LiFePO4. THESE ARE ONLY DESULFATORS AND NOT CHARGERS. Share with: Link: Copy link. design. 4. (because it only consumes a low. 36 D1 GI826CT Fast recovery diode, >6 A, 100 V 0. (The battery I am working with is a DURA POWER 60 with 260 Load Test Amps when it was new, it sat for 9 months and when I tested the voltage it was at 2. YONHAN Car Battery Charger 12V 6A Smart Battery Trickle Charger Automotive with LED Color Display, 12V Battery Maintainer Desulfator for Car, Truck, Motorcycle, Lawn Mower & Marine Lead Acid Batterie. E-FAST Car Battery Chargers /6A Full Automatic Battery Chargers Maintainer 3-Stage Portable Trickle Chargers Battery Desulfator for Car Motorcycle Batteries. 36" which is in a suitable size. Battery Charger,Battery Maintainer, Trickle Charger, and Battery Desulfator for Car,Boat,Motorcycle, Lawn Mower. One rather intrusive method is to replace the sulfuric acid electrolyte with a greatly. Make A Choice Of Specification: No Mounting Hole,. During this process, current passes through the sulfate buildup. It also has safety features such as reverse polarity protection,. When it comes to desulfating a lead acid battery, there are several methods you can employ to rejuvenate and extend the lifespan of your battery. Connect the red wire to the positive pole of the battery and the black wire to the negative pole of the battery You can connect to the battery whether the battery is charged or not Feature: INPUT VOLTAGE 12Vdc Peak voltage 20V (pk-pk) Rated current 35mA Power consumption: 0. 2 volts it produced 30 amp pulses into about . Allow battery to remain for a minimum of 72 hours before retesting. E-power store. the 48-Volt PowerPulse is designed to ensure maximum battery performance 48-volt lead-acid battery systems. Sulfation was the predominant aging mechanism in the weakest cell but water loss reduced the capacity of. A fully charged 12. Taking the. 97. 20 Amp Lithium Battery Charger, 12V and 24V Lifepo4, Lead-Acid (AGM/Gel/SLA) Battery Charger, Battery Maintainer Pulse Repair Charger Trickle Charger Battery Desulfator for Boat, Motorcycle, Golf cart . NOTIFICATIONS. Another way to calculate peak current is: (Vpeak - Vbat) / battery. The major cause of deterioration in lead-acid batteries is sulfation. 12 Volt Desulfation & Battery Restoration. 5Ah battery was terminated manually at 7. Automatically detects sulfation and acid stratification. all it is is a current adjust charger linked to my desulfator. It is not stored at high temperatures (above 75 degrees). It has an indefinite shelf-life and is unconditionally guaranteed to restore, improve and prolong the life of mechanically. You can rejuvenate a worn out lead acid battery by removing sulfate build ups with multiple methods. The must-have. How to use your homemade desulfator and suggestions: simply connect the desulfator to the 12 Volt battery you need to "cure" and desulfator supplies itself. November 5th, 2008. Enjoy precision. com FREE DELIVERY possible on eligible purchasesAuto Pulse 400AH Lead Acid Battery Desulfator Revive Battery Regenerator for Cars, Motorcycle, ATVs. 14 average amps. Free returns Within 90 days. 12V Battery Trickle Charger. Sort by Popular Newest Most Reviews Price. 75-Amp Car Battery Charger, 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries 4. 4. For solar battery banks, golf buggies, fork-trucks, RV’s, cars and trucks. If your looking for some guidance on finding the right battery desulfator for your needs please don't hesitate to either give us a call toll-free at 1-877-775. A lightly sufated battery can be "Desulfated" in a matter of hours using a 1-4 pound per day pulser. A direct. . 2023/10/26 Battery Industry,Battery News. The Xtreme Charge Desulfator Battery Charger is a minimal gadget that assesses, tests and charges 12 volt lead corrosive batteries that’s why we included it in the list of the best battery desulfator. $22. 84 32% off. A Summary: Battery Reconditioning. charging current and has a small capcity Ah). com. 85After the lead-acid battery was charged with high frequency pulse, the battery had lower internal resistance and the voltage of the fully-charged battery and the cold cranking amps were higher, resulting in better battery performance. BatteryMINDer 128CEC1-AA-S5: 12 Volt-8 Amp Concorde Aviation Battery Charger, Battery Maintainer, and Battery Desulfator; 10 3. If the battery is charged often and well, then the components break up, the lead (Pb) rejoins the lead plate, and the sulfate (SO4) becomes part of the sulphuric acid again. 4. My Dynasty UPS12-310 high output battery is spec'd at 0. These lead acid battery desulfators utilize frequency based pulsing to rejuvenate and restore old tired batteries and as preventative measures. Upgrade deals iMars 12/24V 8A/4A Touch Screen Pulse Repair LCD Battery Charger For Car Motorcycle Lead Acid Battery Agm Gel Wet 1679 reviews COD. 6 Mhz , that's when the crystals break from the plates. Battery desulfators operate with a frequency based pulse method that's literally the most effective method available for ensuring lead-acid battery performance, increasing battery efficiency and reducing battery-related costs. Two worked great and two di. 6 volt lead-acid battery will have an internal resistance of about 0. BatteryMINDer 128CEC1: 12 Volt-2/4/8 AMP Battery Charger, Battery Maintainer, and Battery Desulfator; 9 2. 01 ohms. EDTA removes the lead sulfate from use, so is not desirable. $129. Of those 16 batteries I kept 4 batteries as spare and top them up at regular intervals to keep them charged and compensate for the leakage current. ---400Ah Battery Desulfator Maintainer to Revive and Regenerate Lead Acid Battery ---Adopt New Advanced Technology: dissolving sulfates without damaging the battery plates;Auto-setting for 12-48V, Peak Amp: 4Amax ---Just connect it to the battery to maintain your batteries automatically, extend battery lifeThe PulseTech PP24l (735x024) is designed Especially For Frequently-Charged 24-Volt Battery Systems. BatteryMINDer® Model 2012-AGM: 12-Volt 2 AMP Charger-Maintainer-Desulfator for Optima, Odyssey, Polaris, Yuasa & other High Performance Specialty 12 Volt Sealed AGM Lead-Acid Batteries. 0 out of 5 stars:Vbat = battery voltage (13 Volts) DF = Duty factor (. 022 µF. It is compatible with all types of 12 V lead batteries, making it an ideal option for boats, trolling motor, lawnmower, cars, and watercraft. Maintain up to 2. Let’s explore some of these effective techniques: 1. Detects and. Availability: BatteryMINDer® 12106 is a 2 stage Charger-Maintainer-Desufator that extends performance and life of 6 Volt lead acid batteries including flooded (filler cap, maintenance-free, valve regulated lead-acid [VRLA], sealed lead-acid [SLA]), starter, deep cycle and hybrid. Lead oxide reacts with the sulfur and oxygen in the acid to give up an electron, leaving the plate positively charged. In other words Q1 is off for 1000 microseconds and on for 50 microseconds. Now, add Epsom salt to the hot water and stir it until it has dissolved into a solution. SP-3 3 Watt Panel. The lead dioxide (PbO 2) plate reacts with the sulfuric acid (H 2 SO 4) electrolyte resulting in hydrogen ions and oxygen ions (which make water) and lead sulfate (PbSO 4) on the plate. 99 $ 19. Frequency is around 1. The Battery Life Saver is an electronic device that provides "new life" to “dead or dying” lead-acid batteries. Re: Desulfate & regenerate lead acid batts: a new DIY guide. These desulfator battery chargers can be used on all size, types, and brands of lead-acid batteries, including engine starting, deep cycle, AGM, and other varieties. Battery Desulfator - SgtWookie's version of Alastair Couper design: Power Electronics: 11: Oct 18, 2018: Well-known 555 desulfator : correct duty cycle: Digital Design: 25: Jul 27, 2017: 12 Volt Lead Acid Battery Desulfator - New: Power Electronics: 7: Jan 1, 2016: R: Desulfator mod for single cell 2V: General Electronics Chat: 32: May 27, 2015: JHence I ask, what physical material difference is there in a truly new battery vs an old one, over time the back and forth electrolytic response does result in buildup of material, mainly from impurities in added water. Using our patented Pulse Technology, it gently desulfates batteries and breaks down sulfation crystals back into the battery’s solution. Description. PW). Connect multimeter to your battery and check voltage. The NOCO GENIUS1, 1A Automatic smart charger is a reliable and easy-to-use car battery charger that is perfect for maintaining your car battery. 24 v. These salts may reduce the internal resistance to give a sulfated battery a few extra months of life. previous video Real-time aging diagnostic tools were developed for lead-acid batteries using cell voltage and pressure sensing. Click to play video. With its float charger and battery desulfator, it can keep your car battery in top condition and extend its life. If the battery has a high resistance, that energy won’t be absorbed very well and will show up as a very high voltage spike on an oscilloscope. Lead Acid Battery Desulfator - V is for Voltage electric vehicle forum EN English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian český русский български العربية UnknownNOCO G7200, G15000 and G26000 chargers all feature our advanced 16V Repair Mode technology. Lead Acid Battery Desulfator circuit has been duplicated by many around the world. Highlights Real-time aging diagnostic tools were developed for lead-acid batteries using cell voltage and pressure sensing. I tried another battery desulfator 12v 55A in poor conditions (sulfate) in case with increasing internal resistance, the device up of tension, but this has not happened. I have put diodes across the battery that has dampened it so I am fairly sure that the it is coming from the. If a standard wet lead-acid cell has a high differential of specific gravity between cells, applying an equalization charge may damage the "good" cells due to the high temperatures generated. $29. STEP2 Remove its case if its an SLA (Seale Lead Acid )battery and open the vent caps. The desulfator activates whenever an alternator supplies charge to the battery then deactivates itself upon expiration of a set time or is reset upon starting of the motor. Many a lead acid battery have fallen victim to pre-mature death by sulfation, but this process can be slowed, reversed and mostly prevented simply by utilizing the proper tools. 1. 99. Charger is designed to be used for rechargingA one ohm resistor is good for a small battery and . battery desulfator 12v. Subscribe to our newsletter. 05ohm resistor in the neg lead and I get a current waveform similar to what you posted but the question is how do you figure out how much of that current to attribute to the actual desulphation process since. It also works on two or three small 48. In stock. BACK TO PRODUCTS >>. Thermoil Golf Cart Battery Restore Liquid will Refurbish Refresh Revive Any Sulfated Lead Acid Battery |Treats 2 Avg Batteries| 6,8,12 Volt Proven Protectionl EZGo,Club. 6 volt lead-acid battery will have an internal resistance of about 0. A lead acid battery can produce a short circuit current high enough to weld a ring or the like to metal, causing a severe burn. Guaranteed to never overcharge/undercharge. Connect your old lead acid battery to a battery trickle charger or a computerized smart charger and charge it continually for a week to ten. Its not a humongous amount of charging power for a really large battery. Lead acid batteries can now be used for a more indefinite period of time. Car Battery Charger, TOPDON T4000 4A/1A Auto Smart Battery Maintainer Desulfator for Lead-Acid/Lithium ion Batteries. Rating: 100 % of 100. A lead acid battery is made of parallel plates. It can also extend the acid battery life. This restores the battery’s capacity and prolongs its life. 99 $ 29. Re: lead acid batteries , desulfation circuits. That involves strong FET driving (direct 555 output aint enough), and the shortest and thickest possible wires from desulfator to battery terminal. Free returns. Side note: I had one desulfator going with a 55V/49A MOSFET and the only thing that would get hot (140-150F) was the diode. You can pick up cheap desulfators for probably $20+ online or an auto parts store. Free shipping.