Specifications: Battery type: LiPo Battery capacity: 72Wh Life cycles: 500-700 Charging time: 3-8H Peak current: 700A Unit weight: 0.8kg (no clamps) Warranty: 1 year Dimensions (L*W*H): 182.0*90.0*38.0mm USB: 5.0V / 2.1A Single Work temp. : -20℃~45℃ Storage period: 1 year with 70% capacity remains Safety: CE, FCC, RoHS Features: • Light , easy storage in any compartment • Back light LCD monitor for 5 different operation status and as a battery analyzer • Standard copper, 1m long booster cable • Equip with 12V + 19V DC and USB power outlet • Reverse polarity and over temperature sound alert • LED flashlight and emergency flash mode •OBD II test connector (Optional)） • Beep sound alarm Redundancy Protections: 1. Over current LiON BAT temperature protection 2. Charging current LiON BAT temperature lock out 3. Reverse polarity connection shut off and alarm 4. Prevent vehicle's reverse current charge back 5. Spark proof system 6. Upper current limiter protection (Output) 7. TPC, Thermal Protection Coupler on LiPo battery