If you want to add electrical accessories, try a Voltage Reducer to protect your accessories from over-voltage on 48V systems with six 8V batteries. It allows your accessory to use only two 8V batteries and reduces 16 volts to 12 volts.
36 to 80 volts in-put version rated at 30 amps and 12 DC Voltage Output Has a small footprint size.Footprint mounting holes are slotted for better alignment and fit (total of four)Unit is made of aluminum and finned for better heat dissipation.
48V/25+A battery charger. Commercial unit, UL approved. This is the only battery charger on the market that offers a 48-volt charge plus desulphater mode (comes on and starts charging at the lowest voltage possible. For all 48-volt cars.