How many recharges will I get? This completely depends on what kind of batteries are in the mintyboost and what kind of battery is in your device. Both are energy buckets, but the size of the buckets will tell you if you can fill one with the other. There are few things that make...
Lets try again with Sanyo AA NiMH 2700mAh (the best NiMH batteries there are): MintyBoost mWh = 2 * 1.2V * 2700mAh * 80% = 5184 mWh input Output mAh @ 5V = 5184mWh / 5 * 80% = 830 mAh output # of iPhone 3G recharges = 830 mAh / 1200 mAh = 0.70 These batteries will ...
when choosing a power bank or portable charger, the mah rating is crucial in determining how many device charges it can provide. a higher mah rating means more stored energy, allowing the power bank to recharge your devices multiple times. however, keep in mind that the efficiency of the ...