ERH India 5V 2A Power Bank Charger Module Charging Circuit Board Step Up Boost Power Supply Module 2A Dual USB Output DIY Kit

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Price: ₹499.00 - ₹249.00
(as of Jun 14,2022 02:25:32 UTC – Details)

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Dual micro usb 3.7v to 5v 2a mobile power bank DIY 18650 lithium battery charger pcb board boost step up module features: 100 percent high quality and branded 18650 dual micro usb 3.7v to 5v 2a boost mobile power bank DIY 18650 lithium li-ion battery dual micro usb booster board feature led lights show the power, non-working state of intelligent automatic shutdown dual usb output. Built-in lithium battery protection ic, over-current, overvoltage, under voltage protection18650 lithium li-ion battery dual micro usb booster board parameter input port: Microusb (Andrews mouth) input requirements: 5v constant voltage power supply can be done to charge the input power supply
18650 Lithium li-ion battery dual micro usb booster board parameter Input port: MicroUSB (Andrews mouth) Input requirements: 5V constant voltage power supply can be done to charge the input power supply, the most matching charger for 5V1A above Output port: USB Output parameters: 5V1A/5V2A Size : 8 X 32 X 69 mm (H*W*L)
Working battery: 18650 battery, cell phone battery, flat battery, MP3 battery, etc. 3.7V-4.2V polymer lithium battery can be single section (chip) power supply, can also be multi-section (chip) parallel power supply (not in series, not in series ). (Note: increase the capacity in parallel, the series is to increase the voltage, can only be used in parallel!) Can be parallel 2-6 18650 battery.
Not Working Battery: dry batteries, batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries.
Note: the battery should be in parallel, the voltage between 3.2-4.2V to work, 18650 flat and polymer batteries can be; the battery is connected to the motherboard B + negative access B-, installed anti-burning motherboard; the old and new batteries, models, inconsistent battery brand can not be mixed.

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