Description

DIY Power Bank Box 4×18650 Battery Charger Case Portable Fast Charging Case Solderless Power Bank Shell Batteries Charging

Features:

1. [Anti reverse installation device] The motherboard is equipped with anti installation and anti installation protection, and the battery is installed in the wrong way without burning the motherboard. Simply reinstall it correctly

2. [Power display] Level 4 battery indicator light, clear battery usage at a glance, timely charging when out of battery

3. [4 interfaces] Input: Type-C interface (DP not supported) Output: Dual USB interface 5V/2.4A (MAX)

4. [Removable] Solder free, directly put 4 18650 batteries (flat head) with the same capacity, and a single unit with a capacity of no less than 1200MAH, ready for use, fixed with screws, detachable, and replaceable batteries. (Battery not included)

5. [Convenient to carry] Small size, easy to assemble, suitable for use in multiple scenarios such as shopping, home, outdoor, school, etc

Note:

1. This is a parallel battery box. Do not load one positive and one negative battery into the battery for use. Do not load damaged batteries or old batteries with severe aging, otherwise it may cause the battery to short-circuit and burn the spring directly.

2. If the charging of the phone is intermittent and cannot provide stable power, please replace the high magnification battery. The 18650 battery suitable for flashlights/radios is not suitable for this product. This type of device does not require boosting, the current is extremely small, and there is no requirement for magnification.

3. If there is heating, replace the battery immediately, otherwise there is a risk of spontaneous combustion.

4. To use this product, carefully read the detailed introduction and make a homemade battery case and power bank. You need to have a certain understanding of this type of product and strong hands-on ability. If you are not familiar with this product and do not understand how to load the battery, it is recommended that you do not purchase or contact customer service to understand it before purchasing.

Parameters:

Battery type: 3.7V18650 battery (flat head, no protective plate, internal resistance less than 50 milliohms, 1C discharge rate, each voltage must be between 3.3 and 4.2V), (pointed battery cannot be used, modification or insertion of other batteries that do not meet the requirements is not supported!)

Dual USB output: 5V/2.4A (MAX)

Input: 5V/2.1A

Input interface: Type-C port (PD output not supported)

Colors: black, white, blue, green

Power display: Level 4 indicator light power display, calculated using voltage calculation method. Please use a battery with high performance and stable voltage. If the battery is too poor, it will cause excessive voltage drop, and the indicator light’s battery level will drop quickly, causing the output to remain at the first or second battery level. Intelligent automatic shutdown of motherboard in non working state

Package list: 1 * 18650 solderless battery box (excluding batteries)