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Adafruit 280 - USB/DC Lithium Polymer battery charger 5-12V - 3.7/4.2v cells
Free shipping
free shipping in Poland for all orders over 500 PLN
Same day shipping
If your payment will be credited to our account by 11:00
14 days for return
Each consumer can return the purchased goods within 14 days
280 - USB/DC Lithium Polymer battery charger 5-12V - 3.7/4.2v cells
Description
Charge your single-cell lithium ion/polymer battery any which way you like with this board. 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 this charger 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.
- >
- 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
- You don't have to worry about heat dissipation in the charger, even when plugging in a 12V DC power jack - thermal protection inside will slow down the charge rate to prevent damage
- 2 JST connections so you can keep the battery plugged in and powering your project
- Terminal block connections galore (if you don't like JST connectors) just solder in 3.5mm terminal blocks
- Default charge rate is about 280mA, 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 we have stuffed as a standard resistor. You can solder in a thermistor easily
- Lots of information in the datasheet for the MCP73861
- Fully assembled, tested and comes with a free JST cable
- Schematic available for your perusal
- Dimensions: 1.75" x 1.6"
Note:Battery, USB cable and DC power plug not included.
Details
- Dimensions: 40mm x 44mm x 13mm (1.6in x 1.7in x 0.5in)
- Weight: 11.7g ( 0.4oz)
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