... DropSuper Power BatteryWinCE 6.0 R3, Language Customizable Introduction1 Compact structure design, multi internal plastic buffer, sustain 1 ... depends on specific situation), 10 days standby. Extended battery life.3 Stable PXA3XX CPU,efficiency data processing4 Readable under ... Main Power7.4V,2500mah/3.7V 5000mah Li-ionRTC BatteryChargeable Button battery Standby10 daysWorkingAbove 20 hours, depends on ...