BMS Lithium Li-ion 18650 3.7V 4.2V Charger Board USB DC-DC Step Up Boost Module for Power Bank Charger

Certification:NONE
Accessory Type:Accessories
Origin:CN(Origin)
Model Number:Charger Board

Introduction:
1. Input voltage: DC4.5~8V
2. Output voltage: DC4.3V~27V adjustable
3. Output current: 2A MAX
4. Charging voltage 4.2V, charging current 1A
Application Reference:
Output reference maximum current 5V 1.4A , 9V 0.8A , 12V 0.6A
The quiescent current is about 0.5 mA;
Overshoot protection: yes;
Over-discharge protection: no (it can also be said that there is, 2V cut-off boost but does not block the output, the output still has 2V)
Cut-off boost 2V depends on the situation Whether to add a protective plate, such as VIN+ terminal connected to 5V solar panel BAT terminal
Can output 4.2V to charge 3.7V 18650 (pay attention to positive and negative);
The module can be used for multimeter, DIY power bank or other electrical appliances that need to be charged;
When using, please adjust the output voltage first, and then connect the electrical equipment;
Package includes:
1 x Step Up Boost Module