We are a professional supplier for batteries replacement – Compatible Models: * BWS12 * BS 12C * BSB 12C * BS12C * BWS 12C * BLL12C * BSS12C * BSS 12C * BTS 12C * BWS12CBWS – Compatible Battery Part Numbers: * L1240 * L1215P * 3526 * 4932352824 * L1230 * 584932 * 3520 * L1230R * L1215 * 4932 * L1215R * L1220 * 954932 Capacity/Rate: 4000mAh/48.0Wh Voltage: 12.0V Weight: 560.0g Dimension:109.189.564.84mm Special reminder: Please confirm the model and size before purchg the battery. If you have any questions, please contact us through the platform and we will serve you as soon as possible.*If you have any questions, please contact us and we will answer within 24 hours. we provide 12-month Warranty and professional customer service to help you solve any problem. *Passed ISO9001, RoHS, CE, UN38.3, and MSDS certifications. Please confirm the model before purchg. *The main components of the battery is Li-ion, as well as the battery size 109.1×89.5×64.84mm, Weight:560.0g. *Battery capacity: 4000mAh / 48.0Wh, Charging voltage: 12.0V. *The battery is fully compatible with BWS12 BS 12C BSB 12C BS12C BWS 12C BLL12C BSS12C BSS 12C BTS 12C BWS12CBWS.