Location: Battery Charger FAQ

Frequently Asked Battery Charger Questions

Can you charge a Frozen Battery?
Never charge a frozen battery, the frozen electrolyte will not allow the electric current to pass uniformly. This leads to burned plates, or worse in a short circuit scenario. To be safe, first, allow your frozen battery to thaw. Then once the battery is thawed, go ahead and recharge it. If the battery takes a charge, feel free to use it. If the battery fails to charge, replace it.

Do I attempt to use my battery charger if the charger cables are damaged?
Damaged battery cables are an easy way to short circuit things, causing fires, sparks, and worse. To avoid the negative repercussions of short circuits, take care to confine the electrical current. The wires that carry the electricity from the charger to the battery are coated for your protection. If these protective coatings on the wires of your battery charger are damaged, at least repair them prior to use. Replacement of bad wires is always the safe, and proper answer.

Where should I put my battery charger?
The location of the battery charger should be as far away from the battery as charger cables permit. DO NOT extend battery charger cables beyond their natural length. Longer battery charger cables can result in loss of efficiency, inability to charge the battery correctly, or even inability to charge a battery at all. During a charge cycle never put charger on top of battery nor the battery on top of charger. Charging batteries emit explosive and flammable gases, and the electronics in the same area just isn't a good idea. Instead keep the battery charger in a dry, stable, and well ventilated location while charging. Never charge batteries near sparks or flames.

Battery Charger Warnings:
Always read and follow the manufacturer's battery charging instructions prior to connecting your battery, or trying to charge a battery bank. Do not attempt to charge batteries in a confined environment. Explosive and hazardous gases are an inherent byproduct of battery charging, do think ahead. Batteries contain sulphuric acid, and lead, both of which are hazardous material if removed from the battery, or disposed of improperly, do take care to be environmentally responsible. Batteries are useful, just be safe.

Electrical How To Guides:
Electrical Breakers
DC Fuses and AC Fuses
Wire Sizes & AWG
Solar Charge Controller Guide
Battery Charger Information

AGM Battery Chargers

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