Magic shine battery MJ-6038 fully waterproof battery pack - magic shine - bike lights

Li-ion battery 4x 18650 8.4V4400mAh magic shine model number MJ-6038 upgraded from the MJ-6002 battery 4 x 18650 li-ion battery 8.4V4.4Ah battery life 500 times cycle fully waterproof silicon cover waterproof grade IP67 86mm x 40mm x 40mm net weight 249g secure velcro straps with battery case. You will receive 1 x li-ion battery 4 x 18650 8.4V4400mAh 1 x secure straps with hard shell battery case. Full one year