MAHLE Smartbike Systems X35 SP1 External Ebike Battery/Range Extender - Battery, Holder and Retension Straps

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 Download X35 Range Extender – Quick User Guide This product is special ordered from MAHLE and takes 5-7 days to ship NOT RETURNABLE - SALE IS FINAL