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Lithium Polymer USB Charger and Battery - Retail

This is the retail kit version of our popular USB LiPoly Charger, if you are looking for the non-retail version without the 850mAh battery it can be found here. If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The USB LiPo Charger is a basic charging circuit that allows you to charge 3.7V LiPo cells at a rate of 500mA or 100mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries.

The board incorporates a charging circuit, status LED, selectable solder jumper for 500mA or 100mA charging current, external LED footprint, USB input, two pre-installed JST connectors for SYS OUT and BATT IN, and (back by popular demand) a barrel jack connector.

There is also a 'SYS OUT' with a pre-installed JST connector which allows you to connect the charging circuit directly to your project so you don't need to disconnect the charger each time you want to use it.

Also included is a 850mAh LiPo battery. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 900mAh! Comes terminated with a standard 2-pin JST connector - 2mm spacing between pins. Battery includes built-in protection against over voltage, over current, and minimum voltage.

Lithium Polymer USB Charger and Battery - Retail Product Help and Resources

Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
See all skill levels

Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Member #576828 / about 10 years ago / 1

    Would it be possible to us the lipo fuel gauge on the sys out pin and have accurate measurements?

  • Member #594391 / about 10 years ago / 1

    Hi Can I parallel charge 150mah 1s lipos with this charger

  • Member #577425 / about 10 years ago / 1

    Hi,

    Does the SYS OUT pins allowed me to use external power supply via USB or barrel jack directly to my arduino, and automatically switch to the Battery power supply if there's no more power supplied by the external power supply ??

  • cb / about 11 years ago * / 1

    It is not mentioned here, but you need a walwart of "A supply voltage of [VREG (typical) + 0.3V] to 6V is recommended". (from Page 11 of the MCP73831T datasheet) There is a schottky diode in series with the barrel jack connector so, in this case, the voltage range for the walwart is [VREG(typical) +.5V] to 6.2V, (assuming Diode Vf = .2V).

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