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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

Street speed and pack size

Speed and stops spend more energy than a cart path at golf speed. The pack voltage still has to be the voltage on the controller. Match the cart by make…

Fleet carts that charge at noon

A fleet cart that plugs in at the turn can live on a smaller pack than a personal cart that must finish the day. Match the cart by make, model, year, and…

Cold mornings and range

Cold weather makes any battery look smaller. It does not change a 48-volt cart into a 36-volt cart. Match the cart by make, model, year, and voltage before…

Hot afternoons, range, and water

Heat makes flooded batteries use water and makes a closed garage a bad place to charge lithium if the pack is heat-soaked. Match the cart by make, model…

How to read a kit amp-hour number

105Ah on a 48-volt battery is not 105Ah on a 12-volt battery and not 105 miles. It is capacity at that pack voltage. Match the cart by make, model, year…

Two-seat energy versus shuttle energy

The controller voltage can match and the day’s work can be triple. Passenger weight is energy. Match the cart by make, model, year, and voltage before you…

Controller limits and battery size

A bigger amp-hour pack at the same voltage gives more time. It does not raise the cart’s top speed. Speed is the controller and the motor. Match the cart by…

Partial charges and usable size

Lithium can live on partial charges, so the usable size is close to the nameplate. Lead-acid that is never returned to full becomes smaller than the nameplate every month.

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