Never run out of power with the lenovo tablet adapter for thinkpad 10 helix 2 the thinkpad tablet 36 w ac adapter is an identical replacement for the charger that is supplied with thinkpad tablet 10 and thinkpad helix 1 systems the chargers utilise energy efficient technology with a slim dc plug port and 36 watt 12 vdc output power supply each one is backed by a limited one year warranty providing renowned service and support from lenovo