although its large capacity makes it somewhat bulky and heavy

Tecno Omni Tank Power Bank 20000mAh Features and Price in Kenya.

• Materials: ABS
• Size: 142*67*28mm
• Capacity: 20,000mAh
• USB Port: 2 Ports Synchronous fast charging
• Accessories: Data cable [20cm type-c]
• LED: Battery level indicator
• Input: USB Type-C and Micro USB
• Output: 2 USB-A