DIY USB Power Bank Kit Box Case | 18650, 20700, 21700 Battery Charger Adapter | QC3.0 USB + Type C PD Charging for Cellphone and Tablet | Alo Trendy

Create your own high-capacity power bank with the DIY USB Power Bank Kit Box Case. This versatile kit allows you to customize your power bank using 18650, 20700, or 21700 batteries. Equipped with QC3.0 USB and Type C PD charging ports, it provides fast and efficient charging for your cellphone, tablet, and other devices. Perfect for tech enthusiasts and DIY lovers, this kit offers flexibility, convenience, and powerful performance.

Highlighted Features:

• DIY Power Bank Kit: Allows you to build your own power bank using 18650, 20700, or 21700 batteries (batteries not included).
• QC3.0 USB + Type C PD Charging: Features Quick Charge 3.0 USB and Type C PD ports for fast and efficient charging of your devices.
• High Compatibility: Suitable for charging cellphones, tablets, and other USB-powered devices.
• Customizable Capacity: Choose your preferred battery type and capacity to meet your power needs.
• Durable Construction: Made from high-quality materials for long-lasting use and durability.
• Compact and Portable: Lightweight and easy to carry, perfect for travel, outdoor activities, and everyday use.
• Safety Features: Includes overcharge, overdischarge, and short-circuit protection to keep your devices safe.
• Easy Assembly: Simple and straightforward assembly process, ideal for DIY enthusiasts.
• LED Indicator: Features an LED indicator to show the charging status and remaining battery life.
• Versatile Use: Ideal for creating a backup power source for emergencies, travel, and daily use.

• 18650/18700/20700/21700 Battery Charger Adapter Make Your Own External Battery Pack DIY Power Bank for iPhone and Android Phones Feature: 1. Disassembled: It can be disassembled, assembled and replaced at will, and the battery is simple, anti reverse connection and anti series connection; 2. Battery case: Compatible with 18650/18700/20700/21700 battery charging and activation function, one box is multi-purpose. Support recycling, environmental protection and energy conservation. 3. 1/2 Battery can be used: Single and two batteries are universal, one can also be used, and two can also be used. The capacity of mixed batteries can be freely selected. Installing the reverse battery IC can immediately protect the motherboard from burning. As long as one battery is correctly assembled, it can work. Anti reverse connection and anti series battery charger can be added more reliably: use over-voltage and over-current protection circuit to carefully protect your phone and your phone battery; 4. Wide range of applications: It is suitable for all kinds of mobile phones, such as for iPhone 11 12 13 14 Pro Max X XR XS 8 7 6 plus/5S. Changing different connecting cables can also charge digital cameras, tablets, mobile phones, small fans, electronic door locks, flashlights and other products with DC 5V universal power supply 5. Portable: Small size and lightweight, easy to carry and store, convenient to use. Specification: Origin: Mainland China Item Type: DIY Box & Shell Model Number: Battery Charger Item: 2-slot removable portable anti reverse connection mobile power supply (excluding battery) Model: (optional) H02 (2-port input) 10W kit H02B (3-port input) 10W kit H02C (TYPE-C two-way fast charging) 18W kit Color: white, black (optional) Material: ABS, surface anti-skid and sunburn treatment Shell: sliding cover type, detachable, with digital display power, with high brightness flashlight Input: (optional) H02: MICRO interface 5V/2A, TYPE-C interface 5V/2A, iPhone interface 5V/1A. Compatible with 3 common mobile phone interfaces H02B: MICRO interface 5V/2A, TYPE-C interface 5V/2A. Compatible with 2 common mobile phone interfaces H02C: TYPE-C interface, supporting QC3.0&PD3.0=5V 3.1A/9V 2.0A/12V 1.5A (two-way fast charging) Output: (optional) H02: Intelligent adaptive output: OUT1: 5V/2A (maximum 2.4A) H02B: intelligent adaptive output: OUT1: 5V/2A (maximum 2.4A) H02C: dual output: QC3.0&PD3.0 (5V 3.1A/9V 2.0A/12V 1.5A) Applicable battery: built-in 2 rechargeable batteries 18650/18700/20700/21700 lithium ion batteries (NO batteries) Main board: high current mature scheme with battery anti inversion and anti string protection board, digital display of power (battery reverse connection will not burn the board) Protection: overcharge, over discharge, over-current, anti reverse connection protection, compatible with 18650/18700/20700/21700 flat/pointed batteries Product size: 118 * 58 * 27mm/4.65*2.28*1.06'', packaging 120 * 59 * 28mm/4.72*2.32*1.1'' Product weight: 65g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.   1 x Plastic Case(no Battery)