8.4V 1A Power Adapter Li-ion Battery Charger with LED Indicator DC 5.5x2.5mm & 2.1mm Port Suitable for 7.2V 7.4V 8.4V 2-String Lithium Batteries (Pack of 2)

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SPECIAL NOTE: The DC port of this adapter is 5.5 x 2.5 & 2.1 mm, which is only suitable for devices with the same specification DC port. Cannot be used for other DC port specification equipment. Please confirm before purchasing. Normally, the specifications of the DC port of the device will be marked on your device manual or label. The unmatched DC interface will not be able to supply power..
******** NOTE: 1. Before you order this adapter, you must confirm whether the DC port of the adapter matches the DC port of your device. If they do not match the adapter will not be able to power your device.!! ( The interface size of this product is 5.5 x 2.5 / 2.1 mm).
2. This product has many kinds of protection functions, enter the protection mode, LED lights will flashing red light. When this happens, unplug the adapter immediately and check if the circuit is short-circuited, if the electrical power exceeds the rated power of the adapter, etc.
Parameter: Input
voltage: AC 120V / 220V (AC90-264V suitable for anywhere in the world voltage level).
Output: DC 8.4V 1A.
Output Wire length: 1.1 m / 3.5 ft.
Output interface: 5.5 * 2.5 mm / 2.1 mm With built-in leaf spring, Compatible with 5.5 x 2.5 / 2.1 mm. With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection. Enter Protection mode, with flashing red light. Charging process
LED indicator changes:
1. No-load status LED is green;
2. Charging, the first phase of constant current charging, LED indicator is red. Charge to the rated voltage into the second phase of constant voltage charging, the current slowly decreases.
3. When the battery power reaches 90-95%, LED lights turn green. At this point the charger will continue to charge with a small current until it is full.
Package Included: 1* 8.4V 1A Power Adapter