[Dimensions & weight] Size 2.7”x2.5”x0.75” (+/-) 1/8”, Weight = 150 g [Technical Information] This Battery Pack is 11.1V 2600mAh, assembled with 3 cells in a 3S1P configuration, and features a built-in integrated safety circuit (BMS). It comes with a MTA-100 / KF2510 2-pin terminal plug. [High Performance] This Battery Pack is a high-performance 11.1V Li-ion, 28.86Wh battery crafted with grade "A" cells. It boasts excellent low internal resistance for extended battery life and offers stable power supply output, ensuring reliable battery performance for longer durations. [Protection-BMS] This battery has a built-in integrated safety circuit (BMS) overcharge detection voltage, overcharge detection delay, overcharge release voltage, over-discharge detection voltage, over-discharge detection delay, over-discharge voltage, overcurrent detection delay, overcurrent protection current, short circuit detection delay, short circuit release conditions, primary circuit conduction resistance [Quality Assurance] Our suppliers are certified and follow strict testing procedures to ensure you enjoy a reliable battery for an extended lifespan. Xain-USA: Rechargeable Li-ion Battery Pack 3S1P, 11.1V 2600mAh 28.86Wh, With MTA100 / KF2510 2-Pin Female Terminal plug, And equipped with battery management system (BMS).