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UPS Module with Li-Pol battery for Raspberry Pi Pico - Waveshare 20121

Index: WSR-20100 EAN: 5904422350963
An overlay designed for Raspberry Pi Pico, acts as an uninterruptible power supply (UPS) in case of a sudden power failure. The module also allows you to monitor the battery charge level via I2C interface. It comes with a male GPIO pinout connector from the Raspberry Pi Pico module, which allows you to connect multiple overlays and create so-called stacks. A 600 mAh Li-Pol 3.7 V battery with a 2.0 mm JST connector is included.
UPS Module with Li-Pol battery for Raspberry Pi Pico - Waveshare 20121
€15.50
€12.60 tax excl.
Unavailable
Discontinued product
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Manufacturer: Waveshare
Compatibility: Raspberry Pi

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The product has been discontinued. Check other products in category.

Product description: UPS overlay with Li-Pol battery for Raspberry Pi Pico - Waveshare 20121

The overlay designed for Raspberry Pi Pico, acts as an uninterruptible power supply (UPS) in case of a sudden power failure. It also allows to monitor battery level via I2C interface. It comes with a male GPIO pinout connector from the Raspberry Pi Pico module, which allows you to connect multiple overlays and create so-called stacks. The kit comes with a 600 mAh Li-Pol 3.7 V battery with JST 2.0 mm connector.

The manufacturer has also prepared a user guide with sample programs for Raspberry Pi Pico.

Nakładka UPS do Raspberry pi PicoThe item for sale is the UPS overlay, Raspberry Pi Pico can be purchased separately.
Nakładka UPS do RPi PicoUPS overlay for Raspberry Pi Pico.

Safety Notes

  • Li-ion and Li-po batteries are quite unstable. They can cause fire, personal injury, or property damage if not charged or used properly.
  • Do not connect the terminals in reverse when charging or discharging batteries. Do not use an inferior charger/charging panel to charge the batteries.
  • Do not mix old batteries with new batteries, avoid using batteries of different brands.
  • When buying a lithium battery, always make sure that the battery specification is compatible with the expansion board. Choose batteries from an official manufacturer and make sure the batteries will work stably and safely by performing an aging test.
  • Lithium batteries have a limited life cycle and will deteriorate over time. They should be replaced when the batteries have reached their maximum life cycle or have been in service for more than two years, whichever comes first.
  • The battery should be placed carefully and properly, keep it away from flammable and explosive materials, away from children, avoid accidents caused by careless storage.

Main features of the UPS cap for Raspberry Pi Pico

  • Standard Raspberry Pi Pico connector
  • Built-in charger chip for Li-Pol batteries with dynamic power path management
  • Communication via I2C, real time monitoring of battery voltage, current, power and remaining battery capacity
  • Protection circuit against overcharge/discharge, overcurrent, short circuit and reverse connection
  • Built-in charging, power indicator, easy to check battery status
Nakładka UPS oraz akumulator Li-PolLi-Pol battery pack is also included.
Rozkład elementów na płytceLayout of components on the UPS overlay board.
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PCB layout

  1. Charger chip ETA6003
  2. Voltage / current monitoring circuit INA219
  3. Li-Pol battery protection circuit S8261
  4. Li-Pol battery protection MOS FS8205
  5. MOS back-up protection A03400
  6. MOS reverse current protection circuit SI2305
  7. Raspberry Pi Pico connector
  8. Power switch
  9. Button to activate protection after battery change
  10. Battery connector

UPS overlay specifications

  • Charging voltage: 5 V
  • Communication: I2C
  • Supported batteries: Li-Pol 3.7 V 600 mAh
  • Dimensions: 60 x 21 mm

Contents of the kit

  • UPS cap for Raspberry Pi Pico
  • Li-Pol 3.7V 600 mAh battery
Nakładka UPS do Raspberry Pi PicoUPS cover for Raspberry Pi Pico.

Package width 8 cm
Package height 7 cm
Package depth 3 cm
Package weight 0.033 kg

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Product reviews

UPS Module with Li-Pol battery for Raspberry Pi Pico - Waveshare 20121

4/5

Average grade

1

Customers opinion
The following opinions are collected
and verified by
an external partner Trustmate
and come from the post-purchase process.
Allan 20.12.2022 Confirmed purchase Translated review
The finish is a bit rough (twisted pins, no proper battery mounting), but the device works properly, and even better. My tests showed that the drop from 96% to 56% takes about 6 hours with a current load of 70 mA. Recharging took approx. 1.5 hours. The construction of the module allows you to create layers (e.g.: Pico + Ups + LCD), which greatly facilitates the creation of complex, ready-made devices (especially IoT, using Pico W).

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