Special Features: 1. The intelligent Lithium iron battery possess the highest power density, safety, no fire hazard, no explosion and worldwide patent. 2. Autosensing for 12V and 24V applications make it possible for any vehicles including car, truck, bus, toll track, ship and any recreational vehicle. 3. The Lithium iron battery will have a life span of more than 8 years. 4. One fully charger battery will last whole year without being in use. 5. Due to its lightweight and small volume, it is easy to carry around. 6. There is no restriction in the storage and thus you can put it in anywhere. . 7. With LED lighting, you have the convenient of operating in day or night. 8. The battery equipped with a 5V USB port for the charging of cell phone and other 3C products. 9. The jump-starter can also serve as an emergency power source for flat tire air pump, car refrigerator and LED warning light. 10. The battery has a very high charging rate (5C), nomemory effect and is environmentally benign. 11. All apply Lithium Werks battery cell. Descriptions Specification Remark Battery type LiFePO4 cell Safety, High-power AC Input Voltage 100V â?? 220V full range Nominal Voltage 24V, 12V duel Voltage and Autosensing output Nominal Capacity 10Ah Working Voltage 10V ~14.2V - 20V~ 28.4V Max. Output Current 12V/800A - 24V/400A Charging Voltage 14.2V Maximum output power 9600W Cold Cranking Amperes 800A Short Circuit Protection Auto release Capacity Indicator 4 Blue high lighting LED with on-off button 25%, 50%, 75%, 100% Charging Indicator 2 colors LED Indicator, Charging-Red, Charging end-Green, Battery Error-Red blinking. LED Lighting 1W 5V Output Micro USB For 3C applications. Working Temperature -20 ~ 65 Charging Temperature -10 ~ 45 Storage Temperature -20 ~ 55 Size L*W*H 280m * 260m * 115m Weight 3.4Kgs Manufacturing place Taiwan