The 6/6S can take advantage of up to 1.6 amps if the USB adapter can supply it. Using a higher capacity adapter will not hurt the phone, but won't help either. An iPad adapter is 2.2 amps, the iPhone "cube" is 1 amp. So an iPad adapter will charge an iPhone 6 or 6S series slightly faster. Divide the number of AH by the average daily wattage you use for power (usually 10-20W per day) 500 AH / 10-20W = 5 AH per day is needed to keep your rig charged. Your solar system should be able to provide this amount to charge your battery once a week fully. These calculations should be viewed only as an estimate. Amperes = Watts/Voltage. = 10/120. = 0.083 A. From our calculation, the phone charger uses about 0.083 amps when charging a phone at standard speed. And yes, with most chargers coming with similar specs, we can safely say that this figure is what a standard charger uses. Step 1. Connect the iPhone to your computer's USB port using its Lightning adapter cable, or connect it to an A/C adapter and plug it into a wall socket. Make sure that your computer is turned on. The battery will not charge if your computer is off. It will take approximately two hours to charge the battery to 80 percent capacity and another You can get a 5V/2.1A charger or one measuring 9V/2A to get a faster charge, but thereā€™s a limit. Modern smartphone batteries have a limit to how much wattage they can handle. Modern chargers Use the charger that came with your iPhone, iPad, MacBook, HomePod mini, etc., device. Higher-wattage USB-C chargers than that shipped will usually work, if the higher-wattage charger offers the necessary voltage and sufficient amperage. Which is what this tip lists. Contributor, Macworld SEP 11, 2023 1:30 am PDT Image: Foundry iPhones are remarkable devices, but they lose their lustre once the battery runs dry. Thatā€™s why itā€™s important to look after the Power Delivery (PD) is a charging standard that allows a charger to output higher currents and higher voltages, thus allowing you to charge your smartphone or laptop from 0% to 100% in a shorter time. And yes, PD is the only charging standard that can charge a laptop. That said, just because a charger supports PD, doesnā€™t necessarily mean it PowerCore 20100. $49.99. 30 Days Price Match Guarantee. Anker PowerCore 20,100mAh Portable Charger Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, external Battery Pack for iPhone, iPad & Samsung Galaxy & More. The Anker Advantage:Join the 50 million+ powered by our leading technology. To be specific, your iPhone battery holds a charge of 1,440 mAh, or about 5.45 watt hours. If you fully drained and recharged your phone everyday, then over the course of a year you would have to rxbM.