Spare battery Technical Specification Envirofriendly® ( C- coated LiFePO4 ) battery is used solely on BRONX APT electric bicycle for long cycle life, high output, safe and fast charging. Portable battery case, can be used as a torch. Two stage ON / OFF switch with 4 battery level indicators precisely indicating the remaining power of the battery. World patented 1W Natural - Sun LED Light, saving energy, integrated with the controller in a little aluminum case, clearly can be seen in the dark. Output current: 0-2A charging current Output voltage: 24-29.2V Max output voltage: 29.5V Input voltage: 100-240VAC 50/60 Hz Range: 20 miles Battery type: Lithium Ion rechargeable Battery Life: 3 years (with proper useage) Charging time: 2-3 hrs Over-voltage protection: about 36V automatic cut-off Overload protection: about 2.3V, automatic cut-off Over temperature protection: inside temperature over 85C Short circuit: automatically output cut off, self protected Storage temperature: -20°C to 80°C Operating temperature: 0°C to 40°C Battery weight: 1.5kg Bike Weight: 19.5kg inc battery All models are CNS 14126, D1071-1998 certified. Standards: UL, CSA, PSE, CE Feature Great Reason to own one 1. Battery Ultra light (1.4Kgs) / EnvirofriendlyTM PAT. C-LiFePO4 battery pack can be removed easily and charged up at any socket (100/220V). It can be fully charged up within 25mins. ~ 2.5hrs. With APT® system, it will allow you to travel up to 80km with ease.