Is it ok to purchase buy 1 take 1 power banks?
Is it ok to buy a BUY 1 TAKE 1 Power Banks? I saw there are lots of offers of this kind in online shopping sites and it is very tempting to purchase? What are the benefits and harm in using BUY 1 TAKE 1 Power Banks? Any pros and cons? Some items listed are misleading they say 20000 mah when some buyers says it is lesser than that when they charge their phones and gadget. Will it drain my phone's battery fast. I will only use the power banks when there is a power cut in our area or in locations where there is no electricity. What power bank can you recommend?
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