Tech Specs
Xtend brand
11.1 Volts – also compatible with 10.8 Volt systems
57Whr.
6 Cell Li-ion
Samsung (South Korea)
Dark Grey
Assembled in China
2 Year Warranty
30 day full satisfaction guarantee
300-500 recharge cycles
You can expect about 2 1/2 hours to 3 hours of run time with this computer battery when new, depending on your energy use. this battery will be physically larger than your original battery if you prefer the standard size battery

Compatible with the following ThinkPad laptop models:
Lenovo ThinkPad L410
Lenovo ThinkPad L412
Lenovo ThinkPad L420
Lenovo ThinkPad L430
Lenovo ThinkPad L510
Lenovo ThinkPad L512
Lenovo ThinkPad L520
Lenovo ThinkPad L530
Lenovo ThinkPad T410
Lenovo ThinkPad T410i
Lenovo ThinkPad T420
Lenovo ThinkPad T420i
Lenovo ThinkPad T430
Lenovo ThinkPad T430i
Lenovo ThinkPad T510
Lenovo ThinkPad T510i
Lenovo ThinkPad T520
Lenovo ThinkPad T520i
Lenovo ThinkPad T530
Lenovo ThinkPad T530i
Lenovo ThinkPad W510
Lenovo ThinkPad W520
Lenovo ThinkPad W530
Replaces these Lenovo laptop battery part numbers:
0A36303
45N1005
45N1004
0A363O3
45N1001
OA36302
45N1011
45N1013
45N1015
45N1105
45N1001
45N1009
45N1003
0A36302
OA36302
45N1005
OA36303
45N1007
0A36302