Lenovo 121TS040C battery for Y410 and 3000 Series This brand new Lenovo 121TS040C battery This battery is rated 11.1 volts and 4800 mAh. It will normally last 3-4 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications. This 121TS040C battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty. Tech Specs Xtend brand; 11.1 Volts - also compatible with 10.8 Volt systems; 4800 mAh, 53Whr; 6 Cell Li-ion; Samsung (South Korea); Black; Assembled in China; 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; You can expect about 2 hours to 3 hours of run time with this Lenovo 121TS040C battery when new, depending on your energy use.
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Lenovo battery part numbers: 121TS040C 43R1955 ASM BATIGT30L6