850mah Replace JVC BN-V408 BN-V408U Battery [7.2v] Battery Type: Li-ion rechargeable battery | Color: Black Capacity:4000mAh|Volt:10.80V (Compatible with 11.10V)|Dimension:216.20 x 61.90 x 25.00 mm Compatible Part Numbers: 02K67020, 02K6794, 02K6795, 02K6796, 02K6797, 02K6798, 02K6867, 02K6878, 02K6879, 02K6897, 02K6898, 02K6899, 02K7020, 02K7021, 02K7022, 02K7024, FRU 02K6793 batteries Fit model: IBM Thinkpad A30P, ThinkPad A31, ThinkPad A31P, ThinkPad A30 Series Condition:Made with the highest quality cell *Full one year warranty Note: 100% original manufacture compatible NOT OEM