5V 1 MicroUSB/USB DIY Step Up Power Bank Charging Circuit Module with Charging Protection

Description: 5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134 N 3P Make your own 5V (Approx.) power bank from single-cell Li-po or Li-ion battery (18650 or 14500) with this Booster and Charger Power Bank Module. It is based on 134N3P IC. It comes with UBS A Receptor at one side (output) and another side is the USB Micro B receptor for the input charging source. Features: 1A (Approx.) Power Bank Module Support Single Cell Lithium Battery, including Lipo and Li-ion Support 18650 and 14500 Li-ion battery Charging and discharging indication Charging: RED LED Blink fast Full Charge: RED LED Blink Slow Internally installed charging and discharging power MOS Preset 4.2V charging voltage, precision ?1% Max 8uA standby current Integration charging management and discharging management Intelligent temperature control and overtemperature protection Integration output overvoltage protection, short circuit protection, overload protection Integration overcharging and over-discharging protection Support trickle mode and zero voltage charging Supply Voltage: 3.7V~5.5VDC Maximum Charging Current: 1A (max) Output Discharge Voltage (Boost): 5VDC (Approx.) Maximum Discharge Current: 1A Battery Cutoff Discharge Voltage: 2.9V Discharging Efficiency: 85% Dimension: 23mm x 18mm x 10mm Weight: 3gm SKU: RM018050 Category: Battery Accessories Warehouse Code: R00003-S07-P01-Z01