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Battery tips

How-to and maintenance for lithium and lead-acid golf cart batteries.

Bedrock 48V 105Ah lithium golf cart conversion kit

Single-point watering systems

A watering system is only for flooded batteries, and it still happens after the charge, with distilled water. Match the cart by make, model, year, and…

Using a hydrometer on flooded cells

A hydrometer reads flooded cells with the caps off, after a charge, by someone who knows the scale. It does not read AGM and it does not read lithium.

Using a multimeter on a golf cart pack

DC volts, red to positive, black to negative, one battery at a time, then the whole pack. Key off, charger unplugged. Match the cart by make, model, year…

Dielectric grease on terminals

Grease goes on after the lug is clean and tight. It slows corrosion. It does not fix a loose nut. Match the cart by make, model, year, and voltage before…

When to replace the solenoid

Replace a solenoid that clicks and will not hold, or that is welded so the cart creeps, or that is undersized for a high-amp controller. Match the cart by…

Main contactor versus the battery

Pack voltage that holds under a safe load, with a cart that does not move, points at the contactor and the switches. Match the cart by make, model, year…

Fuses and fuse holders

Replace an open fuse with the same type after you find the short. Foil and a bigger number are how carts burn. Match the cart by make, model, year, and…

Installing the state-of-charge meter

Bedrock includes a round meter. Plug it in the way the kit shows, and give it a 12-volt supply from the converter if that is what the diagram says.

Replacing an onboard charger

Match the new charger to the chemistry and the pack voltage. A lithium onboard charger replaces the lead onboard charger. It does not sit beside it.

Ring terminals and crimps

A crimp has to be the right size for the cable and the stud, pulled until the strands are captured, not soldered into a cold blob that snaps.

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