Rundeer Battery for Attack 10

Long Ride -- A second battery is a great way to upgrade the capabilities of your e-bike and increase your riding range. For use with Rundeer Attack 10. Parameters -- Capacity: 48V 20Ah; Weight: 5.25kg. Built-in top A grade lithium-ion cell,recharge-cycle life up to 1000+ times;  Perfect Performance -- Fashion style performance,firm Aluminum+ABS casing ; Side-taken Style, Spring Lock, easier to carry batteries and easier installation and removal; BMS Protection -- Each battery is installed with a BMS protection board, it can protect the bike battery from the damage of short-circuit, over-current, over-charge, and over-discharge, to provide safety while the electric bike battery is running. Note: Does not come with a charger.