Description
Introducing the 3*18650 Battery Charger Case DIY Power Bank Box – a versatile, high‑performance solution for anyone who needs reliable portable power on the go. This compact charging case combines fast 5 V/2 A dual USB output, a built‑in LED night light, and secure 18650 battery storage, making it the perfect companion for travel, outdoor adventures, or everyday emergencies.
Key Highlights
- Fast Dual USB Output: 5 V / 2 A per port delivers rapid charging for smartphones, tablets, cameras, and other USB devices.
- Triple 18650 Battery Capacity: Holds three standard 18650 cells (up to 12 Ah total) for extended runtime and easy DIY replacement.
- LED Night Light: Integrated, energy‑efficient LED provides soft illumination for night‑time use or emergencies.
- Compact & Durable Design: Rugged ABS housing protects the internal circuitry and batteries while fitting comfortably in a pocket or backpack.
- Smart Safety Features: Over‑charge, over‑discharge, short‑circuit, and temperature protection keep you and your devices safe.
- DIY Friendly: Simple slide‑in battery slots let you replace or upgrade cells without soldering.
Why Choose This Power Bank Box?
Whether you’re hiking, commuting, or preparing for a power outage, this charger case offers the flexibility of a traditional power bank with the added benefit of reusable 18650 cells. Save money and reduce waste by swapping batteries instead of discarding the whole unit.
Specifications
- Input: DC 5 V / 2 A (Micro‑USB)
- Output: Dual USB, 5 V / 2 A each
- Battery Compatibility: 3 × 18650 (Li‑ion), 3.7 V, up to 3400 mAh per cell
- LED Night Light: 1 W, adjustable brightness
- Dimensions: 120 mm × 70 mm × 25 mm
- Weight: 210 g (without batteries)
- Operating Temperature: -10 °C ~ 45 °C
How It Works
1. Insert three fully charged 18650 cells into the sliding compartments.
2. Connect the charger via the Micro‑USB port to replenish the internal batteries.
3. Plug your device into either USB port for fast, simultaneous charging.
4. Press the LED button to activate the night light when needed.
Perfect For
- Travelers and backpackers who need a lightweight, refillable power source.
- DIY enthusiasts who enjoy customizing and maintaining their own battery packs.
- Emergency kits – the LED light and robust battery storage are ideal for power outages.
- Everyday commuters looking for a fast‑charging, dual‑output solution.
Upgrade your portable power experience with the 3*18650 Battery Charger Case DIY Power Bank Box – the smart, sustainable choice for fast, reliable charging wherever life takes you.
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