Waveshare Uninterruptible Power Supply Module, Supports Charging And Power Output Same time, 3S & 5V 5A for Raspberry Pi 5/4B
SPECIFICATIONS
BATTERY SUPPORT: 3 x 18650 Li batteries (in series, NOT included)
Battery Included: no
Brand Name: Waveshare
CHARGER: 12.6V 2A
CONTROL INTERFACE: I2C
DIMENSIONS: 60 x 93mm
High-concerned chemical: none
MOUNTING HOLE SIZE: 3.0mm
Model Number: UPS Module 3S (EN)
OUTPUT VOLTAGE: Batteries series voltage; 5V 5A; 3.3V 300mA
Origin: Mainland China
DESCRIPTION
Adapting various interfaces via cables, easy to integrate into mobile robots or industrial control equipment
I2C bus communication, monitoring the batteries voltage, current, power in real time
Multi battery protection circuits: over charge/discharge protection, over current protection, short circuit protection, and reverse protection, along with the equalizing charge feature, more safe and stable
Onboard 5V regulator, up to 5A continuous output current, more sufficient power source for Raspberry Pi and Jetson Nano
Batteries warning indicators, easy to check if the battery is connected correctly
Comes with online development resources and manual
OUTPUT VOLTAGE |
Batteries series voltage; 5V 5A; 3.3V 300mA |
CONTROL INTERFACE |
I2C |
BATTERY SUPPORT |
3 x 18650 Li batteries (in series, NOT included) |
CHARGER |
12.6V 2A |
DIMENSIONS |
60 × 93mm |
MOUNTING HOLE SIZE |
3.0mm |
Monitoring The Batteries Voltage, Current And Power Via I2C

Protection Circuits For Over Charge/Discharge, Over Current, Short Circuit, And Reverse
Along With The Equalizing Charge Feature, More Safe And Stable

Easy To Check If The Battery Is Connected Correctly


Chips
S-8254AA
Li battery protectionSY8286
5V voltage regulatorHY2213
Equalizing chargeINA219
Voltage/current monitoringRT9193
3.3V voltage regulatorNDC7002N
Voltage translator
Others
AO4407A
Battery protection MOS tubePower port
12.6 2A power inputPower output switch
Batteries series power output
5V power output
Reverse warning indicators
Multi-functional expansion header
I2C level selection
3.3V (default) / 5V




* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
SAFETY CAUTIONS
Li-ion and Li-po batteries are quite unstable. They may cause fire, personal injury, or property damage, if they're not properly recharged or used.
Do not reversely connect the polarities when recharging or discharging the battery. Do not use inferior charger/charging panel to recharge the battery.
Do not mix use old batteries with new ones, avoid using batteries of different brands.
When buying Lithium battery, should always make sure the battery specification is compatible with the expansion board. Choose batteries from formal manufacturer, and ensure the batteries will work stably and safely by aging test.
Lithium batteries have limited cycle life, they will also deteriorate as time goes by. Should be replaced with new ones when the batteries reaching their max cycle life, or working over two years, whichever comes first.
Should be placed carefully and properly, keep it away from inflammables and explosives articles, away from children, avoid any safety accident caused by careless storage.
PACKAGE CONTENT
Weight: 0.179 kg
The 18650 batteries are NOT included
Please note that the battery length SHOULD be less than 67mm, some batteries with protection plate in the market are NOT supported, learn more
UPS Module 3S x1
XH2.54 male self lock button switch ~15cm ×1
XH2.54 male to DC5521 female cable ~15cm x1
XH2.54 dual connector cable ~15cm ×1
XH2.54 male to Type-C cable ~20cm x1
Acrylic protection panels x1
Screws pack ×1
12.6V 2A Battery Charger x1

- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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