Case for power bank KA4 for 4 batteries 18650 on 2USB, Micro-USB, Type-C + support QC3.0, 22.5W

KA4 power bank case for 4 18650 batteries — is a modern solution for independently creating a powerful Power Bank with a large capacity and support for fast charging. The module is equipped with an intelligent control board that ensures safe battery charging and fast power supply for your devices.

Supports 4 Li-ion 18650 batteries (including without points), which allows you to create a high-capacity power bank for smartphones, tablets, routers and other electronics.

⚙ Working principle

After installing 18650 batteries in the case, the built-in controller:

• 🔋 stores energy in the batteries via the Type-C
• port
• ⚡ converts the battery voltage into stable 5V / 9V / 12V for charging devices
• 🧠 automatically detects the fast charging protocol
• 🛡 provides protection for batteries and connected devices

Intelligent board control monitors current, voltage and temperature, ensuring safe and efficient operation.

⚡ Advantages of the KA4 case

• ✔ Support 4 18650 batteries
• ✔ Works with pointless
• batteries
• ✔ Fast charging PD and QC
• ✔ Modern USB Type-C
• port
• ✔ Charging two devices simultaneously
• ✔ LED indication of the charge level
• ✔ Built-in LED flashlight
• ✔ Protection against overcharging, short circuit and overload

📱 Support for fast charging protocols charging

• ⚡ PD3.0 / PD2.0 / PPS
• ⚡ QC4+ / QC4 / QC3.0 / QC2.0
• ⚡ AFC
• ⚡ FCP
• ⚡ SCP
• ⚡ PE2.0 / PE1.1
• ⚡ SFCP

🔋 What can be used for

• 📱 charging smartphones
• 📟 charging tablets
• 📡 powering routers
• 🎮 portable consoles
• 📷 cameras and electronics
• 🚗 backup power on the road
• 🏕 use in hiking

📊 Technical specifications

⚠ 18650 batteries are not included

KA4 power bank case — the perfect solution for creating a powerful, modern and reliable Power Bank with your own hands.

Order now at WST and create your own powerful power bank 🔋