12-Cell 18650 Battery Case with USB & Adjustable Voltage Output

This 12-cell 18650 battery case is designed for easy assembly with a solderless, plug-and-play setup. It accommodates up to twelve 18650 flat-top batteries (user supplied), delivering a max capacity of 148Wh.

Ideal for powering optical modems, routers, NAS units, and similar devices, it precisely matches a range of power needs for efficient operation.

Enjoy versatile power options via three independent outputs: a USB port delivering 5V at 3A, a 9V output at 1A, and a stepless adjustable voltage output spanning 12 to 24V with high precision (0.1V accuracy).

The voltage stays stable after adjustment and does not require resetting, providing reliable power tailored to your requirements.

The device includes a DC equal-voltage UPS feature enabling automatic management of the charge and discharge process without manual intervention.

This ensures uninterrupted power supply and promotes stable, long-term operation with excellent battery cycle life when using premium 18650 batteries.

Strict quality control measures ensure the battery case operates reliably under an extended temperature range from -20°C to 60°C.

Standard DC connectors (5.5mm x 2.1mm, positive inner, negative outer) provide easy integration with various electronic devices.

• Max capacity: 3.7V × 40,000mAh = 148Wh (user-supplied batteries)
• Output ports: USB 5V/3A, 9V/1A, adjustable 12-24V, 24W max
• Stepless voltage adjustment accuracy: 0.1V
• UPS input voltage: 12-13V (recommended 12.7-13V)
• Operating temperature: -20°C to 60°C

• 12-Cell 18650 Battery Case Power Supply
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