Kastar 4-Pack 6V 3000mAh Ni-MH Battery Replacement for Streamlight 201701 STR25170 Replacement Battery FLB-NCD-3 Flashlight Battery FLB-NMH-2 Flashlight Battery

High Capacity: No longer to worry about the endurance of the batteries, Kastar high capacity battery will provide ultra strong power for your devices to performance well and operate longer. Battery Specification: Battery Type: Ni-MH; Battery Voltage: 6V; Battery Capacity: 3000mAh; Battery Dimensions: 8.37"L x 0.91"W x 0.51"H (213.40 x 23.20 x 23.20mm). Safety Assurance: Kastar add mix-protection additive to the cathode of batteries, protect the material from degradation in the progress of charge and discharge, extend lifespan up to 1200 cycles. Low self-discharge: Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so Kastar batteries will holds power longer than others. Environmental Protection: Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure.