7.4V 2S Lithium Battery USB 3pin Charger With overcharge protection

[Product Name]: 7.4V 2S Lithium Battery USB Charger
[Input parameters]: 5V 0.5-2.5A
[Output parameter]: 7.4V 2A
[Net weight of product]: 24g
[Product size]: 54.5cm (including plug)
[Functional features]: Strong universality, LED indication, overcharge protection, overvoltage protection

1. Connect the charger to the power supply and the red light flashes.
2. When the lithium battery is connected for charging, the red light remains on for a long time.
3. When the red light is off, it indicates that the lithium battery is fully charged.

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