Portable battery for trips 40000mAh

Battery capacity: 40000 mAh Voltage: 12 Volt Power switch: 12 Volt / 220 Volt Battery type: Lithium polymer Usage duration: more than 10 hours Power: 5 Volt / 2 Ampere Power display screen Two LED lamps can last up to 55 hours at the same time Ports: 2 USB, 2 DC, 1 PC, 2 Power Socket, 1 USB QC 3.0, 1 Lighter Socket Dimensions: 7.5 × 18.5 × 16.5 cm Weight: 6 kg Brand: Conpex SKU: KM-930-SMT