car fridge Diabetic insulin cool AC/DC/battery work 13 hours small, lightweight, fashional 2-8 ... 1. Portable and fashionable2. Support DC12V DC, AC110V~240V, 7.4V battery, Battery ensure more than 12 hours working while ... DC9.0VCurrent (vehicle power )2AVoltage ( lithium battery)DC7.4VCapacity ( lithium battery)Internal 2300mAh/external 8200mAHPower rating 7.6W/ ... mini car fridge, 2~8'C, AC/DC/BATTERY