Convert your GRX1200R, SLA golf caddie to Lithium.
Lithium replacement battery kit for GRX-1200R by Cart Tek. Kit includes one Lithium Ion, 12 Volt, 22 AH battery cell, battery cable and new battery case. The kit also includes a new charger which is specific to the 12 Volt Lithium battery. Your old charger will not work with a Lithium battery.
This new Lithium battery is rated at 500 charging cycles.