USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells

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Product Code: 91516
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Product Description
  • Use USB or DC power - 5 to 12V input
  • Charges one single-cell 3.7/4.2v batteries (not for older 3.6/4.1v cells) with constant current/constant voltage
  • Three indicator LEDs - green for Power, orange for charging and red for error
  • Charging LED will blink when the battery is full
  • Thermal protection
  • 2 JST connections so you can keep the battery plugged in and powering your project
  • Terminal block connections galore just solder in 3.5mm terminal blocks
  • Default charge rate is about 500mA, but you can easily change this by soldering in a through-hole resistor on. The chip can do 100-1200 mA charging
  • Safety timer will stop charging after about 14 hours
  • The chip supports a standard 10K thermistor, which have been stuffed as a standard resistor. You can solder in a thermistor easily
  • Fully assembled, tested and comes with a free JST cable
$20.00
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USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells info

Charge your single-cell lithium ion/polymer battery any which way you like with USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells. Have a USB connection? No problem, just plug into the miniUSB connector. Only have a wall adapter? Any standard 2.1mm DC adapter which puts out 5 to 12VDC will work fine. If both are plugged in, the charger will automatically choose whichever has the highest voltage.

Other nice things about USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells include multiple LEDs for power & charging status, including a charging LED which will blink when the battery is full. If the charger gets too hot from high-speed charging, it will slow down the charge rate automatically. You can easily adjust the charge rate up to 1.2A or down to 100mA.

USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells is for use with Adafruit Lipoly/LiIon batteries only. Other batteries may have different voltage, chemistry, polarity or pinout.

 

USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells - General Specifications

  • Use USB or DC power - 5 to 12V input
  • Charges one single-cell 3.7/4.2v batteries (not for older 3.6/4.1v cells) with constant current/constant voltage
  • Three indicator LEDs - green for Power, orange for charging and red for error
  • Charging LED will blink when the battery is full
  • Thermal protection
  • 2 JST connections so you can keep the battery plugged in and powering your project
  • Terminal block connections galore just solder in 3.5mm terminal blocks
  • Default charge rate is about 500mA, but you can easily change this by soldering in a through-hole resistor on. The chip can do 100-1200 mA charging
  • Safety timer will stop charging after about 14 hours
  • The chip supports a standard 10K thermistor, which have been stuffed as a standard resistor. You can solder in a thermistor easily
  • Fully assembled, tested and comes with a free JST cable

 

USB/DC Lithium Polymer Battery Charger 5-12V - 3.7/4.2v Cells - Technical Specifications

  • Dimensions: 40mm x 44mm x 13mm
  • Weight: 11.7g

 

Videos

 

 

Documents

MCP73861 Datasheet

Schematics

 

References

Adafruit Web Sitehttps://www.adafruit.com/products/280

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