Specification:Voltage: 11.1 V; Type: Li-ion; Capacity: 3400mAh / 37.74Wh; Size: 96.75 x 68.16 x 31.65mm
Quality certification: ROSH, CE, UL triple certification, no memory effect, overcharge, over discharge, overheating, over current, short circuit protection
If the battery life of your wireless device is significantly reduced, you should replace the battery