UPS dual circuit non switching charging and discharging at the same time; One circuit of 5V power supply charges the battery, and the other circuit turns on the output When the power supply is cut off, the battery boost output will be switched seamlessly automatically. When the power supply is restored, the power supply will be restored automatically, and the battery will be recharged again 5V power supply or any one of the batteries can keep the load working continuously Flexible output function, switch can be added and MCU can be used for intelligent control When the UPS function is not used, it can also be used as ordinary mobile power supply when the battery is fully charged. Colour: as shown Material: PCB Size: 73 x 16 x 19mm Package Contents: 2 x Integrated board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Flexible output function, switch can be added and MCU can be used for intelligent control UPS dual circuit non switching charging and discharging at the same time; One circuit of 5V power supply charges the battery, and the other circuit turns on the output When the UPS function is not used, it can also be used as ordinary mobile power supply when the battery is fully . When the power supply is cut off, the battery boost output will be switched seamlessly automatically. When the power supply is restored, the power supply will be restored automatically, and the battery will be recharged again 5V power supply or any one of the batteries can keep the load working continuously