ND1A05MA 3PCS 5V 1A UPS Module – 3.7V/4.2V Li-Ion Battery Charge Discharge Board for Arduino UNO MEGA2560 ESP32 Uninterrupted Power Supply

Packing list:

3PCS ND1A05MA 2 in 1 Charge and Boost modules 5V Output Module

Description:
 2 in 1 Charge and Discharger(Boost) UPS modules

Charge voltage : DC 5V(4.5V-6V)
Charging current : 500mA(The charging current can be adjusted by modifying the R1 resistance value.)
Full charge voltage : 4.15-4.24V
Discharge voltage: 5V
Discharge current: 1000MA
Operating ambient temperature : -40° to +85°
Storage temperature : -65° to +125°
Small Size: 15*10.6*5MM
Light Weight :<0.8g

5V Input 5V/1A Uninterrupted Output
100μA No load Iq
Up to 96% Efficiency during Boosting
Programmable Charging Current
Short-circuit Protection
Boost Output to Input Reversed Current Protection Note:
1 The charging current is only 500MA. When the average discharge current is greater than 500MA, please use a larger capacity battery and fully charge the battery first.
2 Be sure to connect the lithium battery when using it
3 If the heat is severe, please reduce the output current or enhance heat dissipation.

Tips:
The module has a simple charge and discharge protection function.
You can use batteries without a protective plate or with a protective plate.