![]() To do that, you must connect the resistor in series with the charger then hook them up to the battery. Nowadays, most people often have 12-Volt battery chargers in their garage and with several adjustments, it could charge 8-Volt batteries without any issue at all. Option 2: A 12-Volt Battery Charger + Resistor + Digital Voltmeter (DVM, Optional) On the other hand, if you get your hand on a manual charger, you have to pay attention to the charger since you need to turn it off by yourself. A good number of best RV battery chargers available for purchase on the market are automatic models: they would stop charging once the batteries are fully charged. All you have to do is to follow the device instructional manual and everything should turn out to be fine. In the case you do have a purpose design 8-Volt battery charger lying around, the charging process is pretty straightforward. How To Charge The Batteriesįor safety reason, keep the charger as far from the batteries as possible. After that, start processing the exterior surface of the batteries along with their terminals to prepare them for upcoming works. The batteries may release harmful gases while being charged so you always have to perform a recharge in open spaces. Next, prioritize removing the grounded terminal in order to avoid arching then gently move the battery to well-ventilated areas. First, ensure that whatever application the batteries are powering is shut off, you don’t want to sustain burn injuries. Needless to say, you should not yank the batteries out of their compartment and then proceed to charge them immediately. ![]() While you are at it, take a look at the distilled water level of the cell and refill if needed. As always, refer to the manufacturer instruction regarding cleaning and so on just in case. Well, used batteries tend to have corrosions on their terminals so get some baking soda and a toothbrush on hand. In term of gears, you could never get too careful around batteries so put on a pair of gloves, goggles and facemask till you finish. If the batteries happen to be deeply discharged, consider using higher wattage resistors if possible. The purpose of the resistor is to reduce the current to a point that proves acceptable to the 8-Volt batteries. However, in the case you unable to get one, a 12-Volt battery charger should suffice but you re going to need a 4.5 Ohm 10 Watt resistor. Take a look down below and see if you could find a method that best suits your requirements and demands.Īs mentioned above, it’s good to have a quality 8-Volt battery charger around while attempting to charge 8-Volt batteries. Option 3: A 12-Volt Battery Charger + A 8-Volt Battery Charger ComboĬharging 8-Volt Batteries: Before You Startĭepending on the situation and available equipment, there is more than one way for you to recharge standard 8-Volt batteries.Option 2: A 12-Volt Battery Charger + Resistor + Digital Voltmeter (DVM, Optional).Charging 8-Volt Batteries: Before You Start.
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