SPECIFICATIONS

is_customized: Yes

Origin: Mainland China

Model Number: Micro USB 3.7V to 5V 2A Step Up 18650 Lithium Battery Charging Board

Maximum Current: -

Is Smart Device: No

Application: Charger Controller

18650 Dual Micro USB 3.7V to 5V 2A Boost Mobile Solar Controller Power Bank Lithium Battery Charger PCB Board Diy Step Up Module

Features:

18650 Lithium li-ion battery dual micro usb booster board feature

LED lights show the power, non-working state of intelligent automatic shutdown;

Built-in lithium battery protection IC, over-current, overvoltage, undervoltage protection;

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)

18650 Lithium li-ion battery dual micro usb booster board requirements for rechargeable batteries:

Available 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 available Battery: dry batteries, batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries.
18650 Lithium li-ion battery dual micro usb booster board installation should pay attention to the following point

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.