Powerextended life batteryeight cell removable lithium ion prismatic 7. 4v @ 7600 mah 55whr recharge time3. 5 hours 90% lifeup to 4. 5 hourssuspend lifeminimum 5 daysbridge batterysix cell nimh, 45mahlife with suspend, To, Ram on bridge battery only 3. 5 minutes from full chargeac adapterauto sensing 100, 240v, 50, 60hzphysical characteristicsweight5. 2 lbs 2. 35 kg with 55whr batterydimension11. 20 w x 8. 25 h x 1. 60 d 284. 4 x 209. 5 x 40. 7mm supplying 19vdc, 3. 42a currentbattery storage recommended temperature 32 to 140 f 0 to 60 c at 40 to 60% capacitybattery charge recommended temperature 32 to 113 f 0 to 45 c environmental characteristicstemperaturemil, Std 810f methods 501. 4 & 502. 4operating, 4 to 140 f, 20 to 60 c storage, 40 to 167 f, 40 to 75 c cold boot battery 32 f 0 c @ 70% chargecold boot ac adapter anythermal shock1. 5 c < 5 c / minute over, 20 c to 60 chumiditymil, Std 810f method 507. 4 0 to 95% non, Condensingtransit shockmil, Std 810f method 516. 5 up to all surfaces, 4 drop edges and, To concrete cornersvibrationmil, Std 810f method 514. 5c, 17 0. 4g^2/hz, 20hz 1000hz 6db/octive 1000hz 2000 hzvehicular vibrationmil, Std 810f method 514. 5c, 3 composite wheeled vehicleenclosure classmil, Std 810f method 510. 4 procedure 1 and procedure 2 audio acc 262on, Board microphone with noise cancellationon, Board integrated stereo speakersdisplaydisplay10. 4 xga tft 1024 768, 16m colors, 32, Bit true color active digital sensoroptional resistive touch digitizer dual mode optional dual mode allvue xtreme lcd technology for enhanced indoor/outdoor displaybrightness100 levelscontrast ratiostypical 250 1 minimum 100 1 vramintel graphic media accelerator driver for mobile 128mb shared memoryparticle density2. 2 0. 5 g/m3wind speed18 29 m/smil, Std 810f method 509. 4 salt fog 5% saline for 48 hours 12 wet, 12 dry, 2 cycles mil, Std 810f method 505. 4solar radiation1120 w/m2 355 btu/ft2/hr uvb @ 50 c, 7 24 hr cyclesingress protectionip 65 equivalence.