Create your own portable power bank with this DIY 4 x 18650 battery storage case. Designed with USB and Type-C connectivity, this lightweight battery holder features an LCD digital display to help monitor battery information.
Ideal for assembling a personalised portable charging solution for compatible mobile devices and outdoor use.
Designed to accommodate up to 4 x 18650 lithium batteries.
DIY design allows you to install your own compatible batteries.
Batteries are NOT included.
Features dual USB output and Type-C connectivity.
Suitable for compatible charging setups.
Normal version output: 5V/2A.
Digital screen displays battery-related information.
Helps monitor battery capacity, voltage and current.
Convenient for checking the power bank status.
Lightweight plastic construction.
Designed for convenient battery installation.
Supplied with screwdriver and fixing screws.
Compact and lightweight case.
Suitable for DIY projects, travel and outdoor use once correctly assembled.
🔹 Product Type: DIY Power Bank Battery Case
🔹 Model: S13
🔹 Battery Compatibility: 4 x 18650 Lithium Batteries
🔹 Battery Included: No
🔹 Stated Capacity: 15000mAh (supplier specification)
🔹 Normal Version Output: 5V/2A
🔹 Connectivity: Dual USB / Type-C
🔹 Display: LCD Digital Display
🔹 Material: Plastic
🔹 Available Colours: Black / White
🔹 Certification Information: FCP / SFCP / AFC / MTK / BC1.2 (as stated by supplier)
✅ 1 x DIY Power Bank Case
✅ 1 x Screwdriver
✅ 4 x Screws
❌ 18650 Batteries NOT Included
✔ DIY power bank projects
✔ Portable battery case assembly
✔ Compatible 18650 battery storage
✔ Electronics hobby projects
✔ Custom portable charging setups
✔ This is an EMPTY battery case.
✔ 4 x 18650 lithium batteries are required and are NOT included.
✔ You must purchase compatible batteries separately.
✔ The supplier specifications state 15000mAh, while the supplied product title mentions 90000mAh.
✔ The actual assembled capacity depends on the batteries installed. No 90000mAh capacity is guaranteed.
✔ Normal version output is stated as 5V/2A.
✔ Please check battery compatibility and installation requirements before use.
✔ Type-C connectivity does not automatically confirm Type-C fast charging or input/output functionality.
✔ Correct battery polarity and installation are essential.
✔ Use only compatible 18650 lithium batteries.
✔ Do not use damaged, swollen or mismatched batteries.
✔ Incorrect battery installation can cause overheating or damage. If unsure, seek assistance from someone experienced with lithium battery assembly.
✔ Select black or white according to the available listing variation.
✔ Only the items listed in the package contents are included.
✔ Batteries and mobile phones shown in images are not included.










