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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

Acid overflow after watering

You watered before the charge, or you filled past the well. Charging raised the level and pushed acid out. Match the cart by make, model, year, and voltage…

A frozen flooded battery

A discharged lead-acid battery can freeze and split. A full one resists that. The crack is the end of that battery, and the set is suspect. Match the cart…

A lithium pack charged below freezing

Charging below freezing plates lithium and can ruin the pack. Heated Bedrock versions exist. A standard kit is not one of them unless the page says heated.

What a BMS cutoff looks like

The BMS can open for low cell voltage, high current, or temperature. The cart goes quiet. The gauge can lie for a moment. Match the cart by make, model…

The state-of-charge meter is blank

Bedrock includes a round meter. Allied has a Comm Port meter. A blank gauge is often the 12-volt supply or the plug, not a dead pack. Match the cart by…

The wrong charger voltage

A 36-volt charger will not finish a 48-volt pack. A 48-volt charger can overcharge a 36-volt pack. Match the labels. Match the cart by make, model, year…

Mixed old and new batteries

The new battery is already being damaged. The old ones set the capacity. You will be back in a season. Match the cart by make, model, year, and voltage…

Reversed polarity on a cable

A reversed main cable can destroy a controller and weld a solenoid before you finish the test drive. Match the cart by make, model, year, and voltage before…

A blown main fuse

An open main fuse looks like a dead pack and costs a fuse. Measure on both sides of the fuse holder. Match the cart by make, model, year, and voltage before…

The tow/run switch

The tow/run switch, or the run/tow switch, is there so the cart can be rolled without back-feeding the controller. Left in tow, the cart is silent.

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