Uninterruptible Power Supply UPS HAT - Review

Uninterruptible Power Supply UPS HAT (B) for Raspberry Pi 3 /3B+ /4B, 5V Output up to 5A Current, Pogo Pins Connector I2C Control Bus Onboard Multi Battery Protection Circuits

As a professional product reviewer, I have reviewed the UPS HAT (B) for Raspberry Pi, a product from the established brand Waveshare. The uninterruptible power supply has been specifically designed for the Raspberry Pi series and is compatible with Raspberry Pi 3 / 3B+ / 4B, etc. Users can power the Raspberry Pi via pogo pins, without using any GPIO resource.

Designed to provide uninterrupted power supply, the UPS HAT (B) supports simultaneous charging and discharging. This means that it is capable of charging the batteries and providing power output at the same time from an external power supply. The UPS HAT (B) automatically switches over to batteries output if the external power supply becomes unavailable. This feature keeps the system running smoothly without any trouble.

The UPS HAT (B) comes with an I2C bus communication feature that monitors the batteries voltage, current, power, and remaining capacity in real time. This feature ensures that users are notified when the voltage drops too low. When this happens, users can save files properly and then shut down the system by software, avoiding any potential data loss.

A safe and stable circuit design has been implemented into the UPS HAT (B). It features multi-battery protection circuits such as overcharge/discharge protection, overcurrent protection, short circuit protection, and reverse protection. Additionally, there is an equalizing charge feature, making the UPS HAT (B) more safe and stable than its competitors.

The UPS HAT (B) also supports a 5V USB output, which is convenient for powering other boards. The onboard 5V regulator provides up to 5A continuous output current, making it a more sufficient power source for Raspberry Pi. The battery warning indicators make it easy to check if the battery is connected correctly.

However, the product has received mixed reviews from its customers. The UPS HAT (B) has been given 2.7 stars out of 5 stars. The product has been reviewed by only two customers, and their reviews provide us with some insights on the product.

One customer found that the UPS HAT (B) was well designed and worked well with the Raspberry Pi. They appreciated the product's ability to keep the system running in case of a power-cut and the battery monitoring feature. However, the customer was unhappy with the length of the connector wires. The customer found them to be too short for their requirements.

The second customer was disappointed that the UPS HAT (B) did not work properly with their Raspberry Pi 4. The customer had difficulty in getting the product to work consistently and found the battery monitoring feature to be inaccurate. The customer also reported having issues with the product's charge controller.

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Uninterruptible Power Supply UPS HAT

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