AC 100-240V DC 4.2V 8.4V 12.6V 16.8V 1A 1000ma Adapter Power Supply Charger for 1S 2S 3S 4S 18650 Li-ion Lithium Battery Pack

AC 100-240V DC 4.2V 8.4V 12.6V 16.8V 1A 1000ma Adapter Power Supply Charger for 1S 2S 3S 4S 18650 Li-ion Lithium Battery Pack

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