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The nice looking specification:
5.5V @ 500mA
Autocut overcharge/discharge of 2200mAh single cell lipo.
The unit can be charged also with a 5V source from a USB (some computer cannot deliver sufficient power)
Open the unit and found the stock lipo inside was crappy, and likely to be a used lipo . Testing and found the lipo only hold 10 % of the original capacity, and only hold voltage ~4.0V (should be 4.2V) with a lipo charger.
Reinstall with some better quality lipo and upgraded to 4400mAh.
5.5V @ 500mA
Autocut overcharge/discharge of 2200mAh single cell lipo.
The unit can be charged also with a 5V source from a USB (some computer cannot deliver sufficient power)
Open the unit and found the stock lipo inside was crappy, and likely to be a used lipo . Testing and found the lipo only hold 10 % of the original capacity, and only hold voltage ~4.0V (should be 4.2V) with a lipo charger.
Reinstall with some better quality lipo and upgraded to 4400mAh.
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