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icstore DIY Power Bank/Powerbank Kit/Module Circuit Board Assembly,5V Micro USB Input for Charging 3.7V Lithium ion Rechargeable Battery/Cell 1A Mobile Phone Charger/Adapter, LED Indicator -Pack of 2 : Amazon.in: Computers & Accessories
Nitecore F4, nabíjačka/ Power bank pre 4x Li-ion 18650 3,6/ 3,7V akumulátory - iLed.sk