Я использовал это в 2-элементном пакете 18650, к которому я добавил USB-плату DC-DC boost, чтобы создать систему, которую я могу заряжать от USB, а затем использовать для зарядки / питания USB-устройств, таких как мой Mobile. I like the over and under charge protection it offers, but I went with protected cells to ensure I also have short circuit protection. It's nice to have red and blue mini LEDs on board to indicate charging and charge completion. My app works great. I charge a 6.8Ah battery overnight, so 0.5A/cell with 2 cells is no problem for me.
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