SPECIFICATION: Model Name: HS04 Notebook Battery; Battery Type: Li-ion; Voltage: 14.8V; Capacity: 2600mAh/38Wh; Cells: grade A 4 cells; Color: Black; Size: About 10.75*0.8*0.75inch; Weight: About 12 ounces / 0.75lb; Condition: New; Warranty: 1 Year; Packages includes: 1x HS04 laptop battery(with safety box) COMPATIBILITY: Fit 807611-131, 807611-141, 807611-221, 807611-241, 807611-251, 807611-421, 807611-831, 807612-131, 807612-141, 807612-221, 807612-241, 807612-251, 807612-421, 807612-422, 807612-831, 807956-001, 807957-001, 843532-851, 843533-851, HS03, HSO4, HS04041-CL, HSTNN-DB7I, HSTNN-LB6U, HSTNN-LB6V, HSTNN-PB6T, M2Q95AA, M2Q95AA#ABA, N2L85AA, N2L85AA#ABB, TPN-I119, TPN-I120 battery. For compatible laptop models, please refer to the description, leave a message or ask a question. UPGRADE CAPACITY: ECHEER replacement laptop battery HS04 has capacity of 2600mAh/38Wh, while most of HS04 batteries in the market with lower capacity of 2200mAh. Higher capacity enables t