5V 3A 18650 Lithium Battery Charger Module - UPS Uninterruptible Power Supply Circuit

The 5V 3A 18650 Lithium Battery Charger Module - UPS Uninterruptible Power Supply Circuit uses the external power supply when power is available and automatically switches to battery power in the event of a power outage.

The module is suitable for routers, cameras, development boards, and other equipment.

It provides a seamless (no delay) transition between the external power supply and battery power, making it suitable for uninterruptible power supply systems such as low-power DC equipment and meters. It can also self-start after a power outage and recharge itself when power is restored.

Dimensions: 89 x 42 x 22.4 mm. The mounting hole diameter is 3mm.