Specifications:
Battery cell: LG Li-ion 18650
Battery voltage: 9-12.6V
Capacity: 12V/288Wh, 12V/400Wh, 12V/510Wh, 12V/600Wh, 12V/666Wh

Operation environment: 
Charge: 0 to 45°C
Discharge: -10 to 60°C
Output: 
AC output voltage: 100/110/120/220/230/240V AC ±3%
Output frequency: 50/60Hz ±0.5Hz
Output power: 500W (pure sine wave) 
Peak output power: 1000W 
DC 4 x USB port: 5V2.1A 
12V DC port: 12V/5A 4pcs
Jump starter: Starting current 300-400A at 12V

Super portable and lightweight
Size: 315*184*131mm

1: Portable:
Weight only 4.5kg
Small size: 315*184*131mm
More weight lighter, longer lifespan, safer, environment-friendly and portable than other competitors lead-acid big heavy one

2: Pure sine wave 500W, powerful
Better than modified sine wave, cleaner current in your hands it prevents crashes in computers, reduces noises in fans, TV and other devices and it is compatible with more gears

3: High capacity power:
High-density Lithium-ion battery allows for