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DIY 18650 Power Bank Case 2-Cell 5V 1A with LED Indicator

DIY 18650 Power Bank Case 2-Cell 5V 1A with LED Indicator

Regular price $20.02 USD
Regular price $27.99 USD Sale price $20.02 USD
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Build Your Own Portable Charger — No Soldering Required

The DIY 2-Cell 18650 Power Bank Case lets you create a custom portable charger using your own 18650 batteries. Whether you're a hobbyist, maker, or just looking for a reliable backup charging solution, this compact case delivers up to 5,600 mAh of charging capacity with a clean, durable plastic shell and a built-in LED indicator so you always know your charge status at a glance.

Made in Mainland China.

Key Features

  • No Soldering Needed: Tool-free, weld-free battery nesting design makes assembly and battery swaps fast and easy.
  • Triple Protection Circuit: Intelligent circuitry provides charging control, charging protection, discharge protection, overload protection, and short-circuit protection for safe, stable performance.
  • Built-In LED Indicator: Instantly shows current charge status so you're never caught off-guard.
  • 5V / 1A USB Output: Compatible with smartphones, earbuds, and most USB-powered devices.
  • Replaceable Batteries: Swap out depleted 18650 cells without any special tools — ideal for extended use and travel.
  • 7 Color Options: Available in White, Yellow, Blue, Pink, Green, Brown, and Black to match your style.
  • Long Cycle Life: Rated for 500+ charge cycles for lasting value.
  • Compact & Portable: At just 96 × 45 × 22 mm, it fits easily in a pocket, bag, or backpack.

Specifications

Capacity 5,600 mAh (with compatible 18650 cells)
Output Voltage 5.5V ± 0.2V
Output Current 1A (max)
Input Voltage 5V
Input Current 1A (max)
Battery Cells 2 × 18650 (not included)
Cycle Life >500 Cycles
Operating Temperature -10°C to 40°C
Storage/Transport Temp -20°C to 50°C
Dimensions 96 × 45 × 22 mm
Material Plastic
Colors White, Yellow, Blue, Pink, Green, Brown, Black

What's in the Box

  • 1 × Power Bank Case (batteries NOT included)

Note: Please refer to the dimensions listed above for actual size. Colors may vary slightly between monitors. Minor measurement differences may occur.

Pair It With More From Our Store

Battery Safety Resource

For guidance on safely handling and storing lithium-ion batteries, visit the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety Information.

Frequently Asked Questions

Q: Does the 18650 power bank case come with batteries included?

A: No, the batteries are not included. This DIY power bank case is designed to accept 2 standard 18650 lithium-ion cells, which are sold separately. Make sure to use reputable 18650 batteries for best performance and safety.

Q: What devices can I charge with this 18650 power bank case?

A: This power bank case outputs 5V at up to 1A via USB, making it compatible with most smartphones, Bluetooth earbuds, small fans, LED lights, and other USB-powered devices that support standard 1A charging.

Q: How do I assemble or swap batteries in this DIY power bank case?

A: The case features a tool-free, weld-free snap-in battery holder. Simply open the case, insert or replace your 18650 cells following the polarity markings, and close it back up — no soldering or special equipment required.

Q: Is the power bank case safe to use?

A: Yes. The intelligent circuit board inside provides multiple layers of protection including charging control, overload protection, short-circuit protection, and discharge protection, ensuring safe operation across a wide range of conditions.

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