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The Raspberry Pi Uninterruptible Power Supply (UPS) is designed to provide continuous and reliable power to the Raspberry Pi in the event of a mains power failure or disruption. This compact and efficient UPS solution ensures that the Raspberry Pi remains operational and data integrity is preserved even during power outages.
The Raspberry Pi UPS uses 2 standard-length flat-head 18650 batteries for power supply. It supports charging and discharging at the same time, ensuring you can continue using the Raspberry Pi while charging the UPS. It also integrates a fuel gauge chip MAX17040G, which can be used to measure battery voltage and remaining power.
When the lithium battery is fully charged, all five green power indicators will light up, indicating that the battery is fully charged. The battery capacity indicated by the five power indicators are 20%, 40%, 60%, 80%, and 100%. In addition, the Raspberry Pi UPS has a power adapter plug-in detection function. When the power is plugged in, Pi 107
(BCM number IO4) will detect a high level, and when it is unplugged, it will be a low level. To enable this function, you need to short-circuit the two soldering pads on the back of the UPS.
The UPS is connected to the Raspberry Pi via spring pogo pins, installed at the bottom of the Raspberry Pi.
The UPS works for all versions of Raspberry Pi, including Raspberry Pi Zero.
- Charging Current: 5V 1A (Please use a power adapter with a power of 5V 2.5A and above to charge the UPS because when the lithium battery power is low, the external power adapter not only needs to power the Raspberry Pi, but also provides part of the current for charging the lithium battery)
- Output Current: Max 5V 3A (When using 2x 3300mAh 18650 batteries, or connected to external power adapter)
- Fuel Gauge Chip: MAX17040G (Default address 0x36)
- 1x Raspberry Pi UPS
- 2x 18650 Batteries 3000mAh