18650 Lithium Battery Charge Boost Discharge Integrated Adjustable Module 3.7V to 9V 5V 2A DC-DC Step Up Boost Module

Name: 18650 Lithium Battery Charge Boost Discharge Integrated Adjustable Module 3.7V to 9V 5V 2A DC-DC Step Up Boost Module
SKU: MK-1923032218
Price: 1.99 USD
Availability: InStock

$1.99

35 sold in last 17 hours

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Estimated Delivery: Oct 07 – Oct 10

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Features:

The module supports type-c interface input and behind the labeled input solder joint input, choose one of them can, the recommended voltage of about 5V. Module marked with two outputs these two outputs are the same, the line is connected in parallel, you can choose one of them – group can.
How to connect the battery.
If your battery comes with a protection board, optional products without discharge protection, the battery connected to the B + and B-, must be shorted to the T point, in order to charge and discharge.
If your battery does not come with a protection plate, choose a product with discharge protection, this is very important, because the battery is likely to be over-discharged to cause battery scrap, most competitive products of the same kind are not discharge-protected, and the battery is connected to B + and B-, you can not short the T point, otherwise the discharge protection will fail.
After connecting the line you can use a screwdriver to adjust the output voltage you want.
Battery selection 3.7V lithium battery, full voltage of 4.2V, battery type can be 18650, polymer and other batteries.

Specifications:

Working temperature – 40~80 ℃
Input voltage range 4.2V~6.5V
Output voltage 4.2V-28V adjustable
Maximum power 5W
0V activation, 2.9V trickle charging
Up to 1A programmable linear charging current
For a single 3.7V lithium battery, fully charged with 4.2V
Constant current/constant voltage charging, with over-temperature protection
Soft start limit surge current, with battery reverse connection protection
Low power standby, extended battery life
The dual output of charging status, no battery and fault status display

Packing list:
1*Module