Backup batteries charge a lot of devices at the same time, always keeping the function of the refrigerator

Need backup battery? Yes. Need a mobile charging station? Too easy. Want to cool beer? This product can also do that.

However, this is not one that you will want to bring with you everyday. After all, the size of this spare battery is about the same size as a car battery, and weighs up to 5kg. However, it is impossible to deny the usefulness of this product.

This battery weighs 5kg.

To fully charge this battery, you will need to spend 6 hours, but the battery will maintain electricity until 1 year. Once fully charged, this River battery can provide power up to 500 watts for 11 devices at the same time.

This device has extremely many sockets.

This device has extremely many sockets. On the device, you can see there are 2 USB 2.0 drives, 2 USB thumb drives, 2 USB-C drives, 2 AC sockets, two DC sockets, and 1 12V car drive. This 11 pin is also very smart, because it can adjust the voltage, making the device provide the exact power it needs. In short, when you plug your phone into this battery, you won't have to worry about your mobile phone exploding.

This battery is suitable for those who prefer outdoor activities.

For those who prefer outdoor activities, this extra battery will be sold with a foldable solar panel for $ 299. If the charger is powered by solar power, this giant battery-backup and refrigerator will fully charge in 10 to 15 hours. Even this battery is waterproof, IP63 certified.

The solar panel sells for $ 299.

However, this product is not perfect. The types of plugs that come with this extra battery don't always work with devices. In addition, at the price of 700 USD, perhaps this product is only really aimed at some special objects, not for general users. If you have to live outdoors, away from power, or if you always want to be ready for any situation, maybe this product will be right for you.