Build Your Own Solar Power Bank.

This DIY power bank case kit lets you assemble your own 20,000mAh solar-powered portable charger. Perfect for outdoor enthusiasts, travelers, and tech hobbyists who want a customizable, eco-friendly charging solution — built by you, powered by the sun.

⚠️ Important: This is a DIY assembly kit — batteries are not included. Compatible with 606090 / 909060 / 7565121 polymer batteries (sold separately).

Key Features

20,000mAh large capacity — keep your devices charged all day, whether at home or off the grid
Built-in solar panel — single-crystal solar panel converts sunlight to power efficiently and sustainably
Dual USB output ports — charge two devices simultaneously at 5V/2.1A and 5V/1A
Durable metal shell — sturdy, lightweight construction built to handle outdoor use
Multi-protection system — overcharge, over-current, over-temperature, and short-circuit protection keeps your devices safe
Auto power-off — stops output automatically when devices are fully charged to save energy
Wide compatibility — works with smartphones, tablets, cameras, and all DC 5V USB-powered devices
Multiple color options — Black, Yellow, Green, Orange

Specifications

Capacity: 20,000mAh
Battery Type: Li-Polymer (not included) — compatible with 606090 / 909060 / 7565121
USB Input: 4.2–6V / 900–1200mA (Micro USB)
USB Output: 5V/2.1A + 5V/1A (Dual USB)
Dimensions: Approx. 161 × 79 × 17mm
Shell Material: Metal
Solar Panel: Single-crystal