Waveshare UPS Module 3S ⚡🔋

Uninterruptible Power for Raspberry Pi 5 / 4B & Jetson Nano

Key FeaturesCharge & Output Simultaneously

Charges the batteries while providing continuous 5V 5A power output — no downtime during power switch.

Automatic Failover

Instantly switches to battery power if external supply is lost, keeping your system running without interruption.

Real-Time Monitoring

Onboard I2C interface reports battery voltage, current, and power in real time.

Multi-Layer Protection

Over-charge, over-discharge, over-current, short-circuit, and reverse-polarity protection plus equalizing charge for safe, stable Module 3SOutput VoltageBattery series voltage; 5V 5A; 3.3V 300mAControl InterfaceI2CBattery Support3 x 18650 Li-ion batteries in series (not included, max length 67mm)Charger Input12.6V 2ADimensions60 x 93mmMounting Hole Size3.0mmNote: 18650 batteries are not included. Battery length must be under 67mm — some batteries with protection plates are not compatible.Package Contents

UPS Module 3S x1, XH2.54 self-lock switch cable, XH2.54 to DC5521 cable, XH2.54 dual connector cable, XH2.54 to Type-C cable, acrylic protection panels, screws pack, 12.6V 2A battery charger.

Product ImagesFAQAre the batteries included?

No, the 3 x 18650 Li-ion batteries are not included. They must be under 67mm in length.

Can this power a Raspberry Pi during a power outage?

Yes, the module automatically switches to battery power if external power is lost, keeping your device running.

Does it charge while providing power?

Yes, it supports simultaneous charging and power output.

What plug type is included with the charger?

Select the US, EU, or UK plug option that matches your region at checkout.