Portable 18650 Lithium Battery Expansion Board V8 Mobile Power Bank

• --MICRO USB charging current is 600-800 mA, and supports up to two 18650 batteries.
• --It is recommended to use two 18650 batteries, it can be longer!
• --Switch to NOMAL, when the output current is lower than 30 mA, it will automatically stop in about 10 seconds and enter standby mode.
• --Switch to HOLD, which will always be on, no matter what, until the battery (2512 on the back is heat resistant).
• --Input: 18650 battery x 2pcs; Output: 3V1A/5V2.2A

Description:
Name: Expansion Board
Input: 18650 battery x 2pcs
Output: 3V1A/5V2.2A
features:
This module is a portable power bank that supports 3v/1A and 5v/2.2A voltage outputs! The rated current of the 5v voltage output is 2.2A, and the maximum current of 3A is supported (overload is not recommended, it is easy to damage the module, and the service life is accelerated), and the current output depends on the quality of the 18650 cell!
Packing list:
1 x Expansion Board (excluding battery)
note:
The installed battery must be sure to be the negative pole, and the board has been clearly negative! Modules installed incorrectly will burn out.