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Household Batteries, Chargers & Accessories

Battery Chargers

Adafruit 259 , USB Li-Ion/LiPoly Charger, v1.2

R 886

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Adafruit 259 , USB Li-Ion/LiPoly Charger, v1.2
- Comes assembled and tested with a free bonus jst cable
- For charging single lithium ion/lithium polymer
- Weight: 5.7G ( 0.2Oz)
- Chip supports a 10K ntc thermistor which we have stuffed as a plain 10K. For people who require temperature monitors (using high charge rates), remove the 10K and solder in the thermistor in its place
- 0.1 inch
This is a lithium ion and lithium polymer battery charger based on the MCP73833. It uses a USB mini-b for connection to any computer or 'USB wall adapter'. charging is done in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The fast-charge current is 500MA by default, but is easily adjustable from 100MA up to 1000MA by soldering a through-hole resistor on-board. This board is great for DIY projects because it has 3 indicator LEDs - one for power, one for charging status and a third that indicates when charging is complete. You may also keep the battery connected to the charger and pass power through the additional jst connector using the included cable.
Country USA
Brand Adafruit
Manufacturer Adafruit Industries
Binding Misc.
ItemPartNumber 259
Model 259
ReleaseDate 2017-03-12
UnitCount 1

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