The Mahle SP1 Range extender battery provides 36V/250W of additional power bringing the total capacity to 450W. The Range extender includes a holder that mounts to the water bottle bosses on the frame. It charges the main battery while riding, and offers a parallel power supply to the motor when the power draw exceeds 2A.

• 36V 250W Panasonic
• BUS Compatible (Smart), Balanced operation as charger or independent battery
• The Mahle charger will recharge both the main and range extender batteries at the same time
• This product is special ordered from MAHLE and takes 5-7 days to ship
• NOT RETURNABLE - SALE IS FINAL