تماشای ویدئو چگونه یک پاوربانک ساده در خانه بسازیم؟ از کيونما

How to make a simple power bank at home Just using 4 AA batteries and 4 AA battery holder. It is so simple and easy. Its a emergency charging hack you should know. Rechargeable Ni-MH batter voltage is 1.2 - 1.4 so using 4 cell in series you will get max 5.5 v which is perfect for charging phone. you don't need any regulated IC. INDIA 4 AA battery Holder http://amzn.to/2poDKCr Rechargeable battery I used http://amzn.to/2pt6N9G International 4 AA battery Holde http://ebay.to/2qel3E0 R