Case materials: ABS/PC/Fire proof
Input voltage: DC 5V /2A
Output: Li-ion battery: 2A x 1pc, 1A x 2pcs, 0.5A x 2pcs
Loading Spring: Military grade Spring, >100K cycle time. (Smooth and durable)
Protection: Smart temperature control protection/ Reverse loading alarm/ Over-charging protection
Compatible batteries: Li-ion 18650, 26650, 21700, 20600, 18500, 18490, 18350 / Ni-mh / Ni-cd /AAAA/ AAA/ SC/ C(all most of cylindrical rechargeable batteries)
Quality certificates: RoHS, CE, FCC, EMC