MicroUSB 1A LiPoly Charging Module SKU: 40420
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MicroUSB 1A LiPoly Charging Module
$2.25 USD
Excellent for building a portable project with a single LiPoly, and recharge it from microUSB!
In stock
Description
Most portable projects are now using LiPoly battery technology, but it requires a more finicky method of charging. This TP4056-based module makes it trivial to add a dedicated single-cell charger to your project, powered by any microUSB power source.
Features:
- Single-cell charger for Lithium chemistry cells
- Preset for 1000mA, but is configurable down to 30mA by resistor change
- MicroUSB interface
- Red/Green Charging/Charged LED indicators
Specifications:
- NanJing Top Power ASIC TP4056 Standalone Li-Ion charger
- 4.5~8V VDC input
- 25x19mm (1×0.75″)
Note: In default configuration, this charger will pull as much as 3.7W from a USB port, which are nominally rated 2.5W on a standard PC. Make sure you use a USB charger or powered USB hub.
Cells are becoming very tolerant of high-current charging, but for the best battery life, use the 1/3 rule of thumb. A 1000mAh cell is best treated by charging at approximately 300mA. If desired, adjust the maximum charge rate of your module by replacing the small SMD resistor “R1” with a value listed below:
R1(K) I(mA)
30 50
20 70
10 130
5 250
4 300
3 400
2 580
1.66 690
1.5 780
1.33 900
1.2(std) 1000
More Info
Weight | 0.0017 kg |
---|---|
Dimensions | 2 × 1.5 × 0.5 cm |
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