Smarkey 5V 10000mAh Heated Jackets Battery with Charger Cable Replacement Backup Power Bank
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10000mAh 5v 2.1A Lithium Battery Power Bank Can Support 11W heated jacket.
20% lighter than your original heated jacket battery and can provide more longer heating time
Digital power LED display, easy to know the remaining battery percentage clearly. Intelligent safety protection technology, supports over-charged, over-discharged, over-voltage, over-current and short circuit protection.