Mini UPS uninterruptible power supply is a Standby energy storage power supply.

      Used safe and environmental Lithium cells, credible and stable PCB, trickle/constant-current/ constant-voltage lithium battery charging BMS,

      Created by high performance and efficiency DC-DC, Boosting and switching circuit.

      this mini UPS with perfect over-charged, over-discharged, over-current and short-circuit protection.