DC-DC UPS mobile power supply diy board 5V/12V 2-in-1 charger and discharger boost converter module

Module description:
2-in-1 charge and discharge (boost) module   
Charging voltage: DC 4.5V-8V (DC 5V recommended)
Charging current: 0-1A
Full charging voltage: 4.2V±2%.

Features:
1. Used for battery-powered equipment, not only a charger, but also has a step-up function
2. The product come with high conversion efficiency, saving both time and labor
3. This important DC converter is used for UPS power DIY equipment, very practical
4. Working environment temperature is from -40℃ to +85℃, very wide and convenient
5. Storage temperature is from -65℃ to +125℃, you can store with confidence


Specifications:
Item Type: UPS Power DIY Board
Charging Voltage: DC 4.5V-8V (recommended DC 5V)
Charging Current: 0-1A
Full Charge Voltage: 4.2V ±2%
LED Indicator:
"OK" LED is fully charged or battery failure status indicator;
"CR" LED indicator is the charging status indicator
(Boost) Discharge Current: 0-2A
(Boost Type) Discharge Quiescent Current: 450uA
(Enhanced) Discharge Conversion Efficiency: 78%-90%
(Boost) Output Current: 0-1.2A (5V), 0-1A (6V), 0-0.66A (9V), 0-0.5A (12V)
Working Environment Temperature: -40℃ to +85℃
Storage temperature -65℃ to +125℃
Excluding Pin Size: Approx. 23 x 15.4 x 5.7mm / 0.9 x 0.6 x 0.2in