The battery is used for: 1. Powering a travel fridge/freezer without connecting it to the car charger. 2. Take the travel fridge with you anywhere, in the desert, on the beach, or even to the office without connecting it to the car charger. 3. Use it as a backup power source for the fridge if you have to turn off the car engine. 4. Use it as a power source for charging mobile phones and many other devices. 5. The fridge can be powered from 6 hours to 24 hours depending on the fridge's temperature setting, ambient temperature, frequency of opening the fridge, and how full the fridge is. 6. The most important feature is that it has a very strong magnet to attach the battery to the fridge body (you need to attach a metal piece to the fridge if your fridge body is not metallic). 7. The battery can be connected to the car charger, and at the same time, the battery powers the fridge so that the battery is always charged 100%. 8. The battery can be charged with a 100W solar power charger, taking into account the use of the appropriate connector. Battery Specifications: 1. Lithium-ion. 2. Capacity: 17,400 mA 3. Voltage: 14.4V / 250Wh 4. Dimensions: 229 x 152 x 47.76 mm 5. Net weight: 1.7 kg 6. Input for charging the battery: 12-30V. 100W maximum. 7. DC output: 13.3V/10A for powering the fridge. 8. Type-C output: 3A/5V for charging mobile phones and other devices. 9. USB Type-A output: 2.4A/5V for charging multiple devices. 10. Small LED screen showing the battery charge level. 11. The battery comes with a car charger cable and a home charger cable. Instructions: It is recommended to put cold or frozen items in the travel fridge to consume less power from the battery.