【Specification】:Voltage:7.4V,Capacity:2550mAh/18.87Wh,Size:131.92 x 57.20 x 32.70mm,Weight:331.2
【Perfect Replace】High capacity circulatory function, perfect replace your original batteries.
Quality Certification: ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection
If your wireless device's cruising time is significantly reduced, you should replace the battery.