Extend your range with a secondary battery. USB charging port for your essential electronics. Portable with auto shut off system when not in use to conserve energy. Each battery is built with premium battery cells for long service life.
-Capacity: 15Ah
-Single Charge to full : 5 hours
-USB plug included -Independent SMART Shut-off stwitch
-For use with BOSA e-bikes
-Lithium-Ion cells
-Note: Do not come with a charger