Powakaddy universal 18 hole lithium batteryupgrade to lithium without the expense of buying a new golf trolleythe powakaddy universal lithium battery has been designed to be compatible with the vast majority of electric trolleys in the market will fit any trolley with an interconnect fitting or 3 pin port red yellow amp blackthis is an excellent alternative if you are looking to upgrade from a lead acid battery to a lithium it is very lightweight and comes supplied with a special charger