Specifications Rated voltage:14.8 V High-concerned chemical:None Nominal Capacity:2600mAh 3500mAh Weight:about 0.2 kg Voltage:14.4V 14.8V (Universal) Size:70x37x37mm Application:For Xiaomi Mijia Mi Robot Mop 2 Lite Sweeper Vacuum MJSTL Model Number:14.4V 14.8V 2600mAh 3500mAh Battery Pack Type:Li-Ion Brand Name:Aleaivy Origin:Mainland China Certificate: Suitable for Xiaomi Mijia Mi Robot Mop 2 Lite Sweeper Vacuum MJSTL Replacement Rechargeable Li-ion Battery Pack for Mi Robot Vacuum Mop 2 Lite for Xiaomi 3C Plus Edition for Mi Family C103 for Ruimi EVE CC for Mijia E10 B112/E12 The built-in protection board of the battery pack has temperature control overheat protection, high-power current amplifier tube, and each string has voltage over-discharge and over-discharge protection. Voltage: 14.4V 14.8V (Universal) Charging limit voltage: 16.8V Capacity:2600mAh 3500mAh Battery Size:70x37x37mm 2mm (Customizable) Batteries in series and parallel: 4S 1P (4 pcs) Battery weight: about 0.2 kg It only contains the above-mentioned package contents and does not contain other items. Note: The lamp holder is different from the monitor, which may cause the color of the actual object in the picture to be slightly different from the actual object. The allowable measurement error is +/- 2 mm.