Size: 6.8* 2.3* 0.1cm
Allowed 0V change: Yes
Dual output current: 5V 1A/2.1A
Input voltage B+ to B-: 3.0 - 4.2V
Charging cable: Micro USB Input and Dual USB output
Button function: Press and hold the button after standby, the LED digital screen displays the power

# 18650 Battery Charger Board Specification:
[LED Indicator Display]
The LED digital screen displays the current battery charge while charging.
When discharging, the LED digital screen displays the current power, and the display is saved in about 30 seconds (double-click the button to resume display).
The system will provide an accurate battery indication after a complete charge and discharge.

[Prevent Overcharge Protection]
Detection voltage: 4.20±0.05V
Release voltage: 4.100±0.05V
Detection delay time: <200 ms

[Prevent Overdischarge Protection]
Detection voltage: 3.0±0.10V
Release voltage: 3.10±0.10V
Detection delay time: <100 ms

[Short Circuit Protection]
Short detection delay time: <50μS
Release Conditions: Cut off load

[Normal Current Consumption]
Normal current consumption of PCM: Max 60μA
Stanby current consumption: Max 50μA

[Suggest Working Conditions]
Max continuous charge/discharge current: 1.5/2.4A
Suggest working temperature: -5～45℃

Note: The positive pole of the battery is connected to B+ and the negative pole is connected to B-, do not reverse it. If it is reversed, it will burn out!!!!
This module is a portable backup power supply with an input that matches the 5.0V adapter to charge the internal battery. Use built-in battery for portable device to provide 5.0V/3.0A USB2.0 supply output for external devices.

# 18650 Battery Charger Board Package Included:
1 * Dual USB 5V 1A 2.1A 18650 Lithium Battery Protection Power Bank Charging Board

Here is our Market
1. We accept OEM/ODM service.
2. We accept whole bulk dropshipping order.
3. Quick delivery time.

FAQ
Q1. What is your lead time?
A: We will ship out the goods within 5 working days after received the payment, finally depends on quantities.
Q2. What is your sample policy?
A: Welcome to ask sample, we can send out the sample within 2 days, please contact us.
Q3. Do you test all your goods before delivery?
A: Yes, we have QC department we will do 100% test before the shipment.
Q4. What is your warranty?
A: Our warranty is 90 days after goods have been received.
Q5. What's the MOQ for your products?
A: The MOQ for each product is different, but we also accept small order, welcome to contact us.
Q6. How do I pay for the order?
A: You can draft an order by yourself and pay it , or contact us pay by TT , Paypal, Alipay, Wechat etc.
Q7. Do you accept the whole bulk dropshipping order ?
A: Yes, please contact us.