DIY 3x 18650 Battery For Case Box 12V Power Supply Charger For LED Light WiFi Ro DIY 18650 Power Bank Charger
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Product description
- The first use needs to be activated by charging with 12V power supply
- Without 18650 You need to prepare 3x 18650 batteries yourself to use.
- 5.5x2.1mm interface input or output functions,with adapter and power switch,weasy to use.
- 5.5x2.1mm port for 12V LED Light WiFi Router smart Speaker or more devices.
- Lithium protection circuit, overcharge, low voltage, overload, short circuit protection
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