2PCS 186 50 Charging Board Dual USB 5V 2.1A Mobile Power Bank Module Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY Power Bank

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2PCS 186 50 Charging Board Dual USB 5V 2.1A Mobile Power Bank ModuleLithium Battery Charger Board with Overcharge Overdischarge ShortCircuit Protection DIY Power Bank
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Note: The positive pole of the battery is connected to B+ and the negative pole is connected to B-, do not reverse it. If it is reversed, it will burn out!!!! This module is a portable backup power supply with an input that matches the 5.0V adapter to charge the internal battery. Use built-in battery for portable device to provide 5.0V/2.1A USB2.0 supply output for external devices. Protection: overcharge protection, overdischarge protection, short circuit protection, constant current. Charging cable: support three USB data cable charging, including Iphone and Android. Size: 6.5 2.5 0.1cm; output current: 5V 2.1A and 5V 1A; Input voltage B+ to B-: 3.0 – 4.2V.
This module is a portable backup power supply with an input that matches the 5.0V adapter to charge the internal battery. Use built-in battery for portable device to provide 5.0V/2.1A USB2.0 supply output for external devices
Protection: overcharge protection, overdischarge protection, short circuit protection, constant current.
Charging cable: support three USB data cable charging, including Iphone and Android.
Size: 6.5 * 2.5 * 0.1cm; output current: 5V 2.1A and 5V 1A; Input voltage B+ to B-: 3.0 – 4.2V.

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