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If it fails to charge, the portable charger or the USB cable may be defective.

Q8: What Should I Do If My Portable Charger Fails to Recharge? That time is further compacted if using cheap knockoff cables instead of the OEM or reliable charging cables. However, that time can be doubled if only using a 1A charger. This includes the size of the power bank, the type of charging cable used, how much power is currently in the power bank, and the type of charger used.įor example, a high capacity RAVPower 22000mAh Portable Charger will ordinarily take 11 – 12 to fully recharge with a 2.4A charger. Q7: How Long Does It Typically Take to Recharge a Portable Charger? If there are still issues, please contact our friendly RAVPower customer support team here. You may need to pull and plug the cable a few times to ensure the IC chip registers a connection.ģ) Please recharge your device with an AC charger to check whether the same problem occurs. What Can I Do?ġ) Please first confirm that there is enough battery in the portable chargerĢ) Please ensure you are using the original OEM charging cable or a RAVPower cable to charge your devices. Q6: I Am Finding That My Portable Charger Does Cannot Continuously Charge My Device. Most RAVPower Portable Chargers use high-density li-polymer battery cells, which can typically retain 70-80% of its power after 500 charge cycles. Considering the average person does not use it every day, you can get 2-3 solid years from a typical portable charger.

Q5: How Many Charging Cycles Does My Portable Charger Have? What Is the Approximate Lifetime? We also suggest that you do not pull or plug in the USB cable with extra force in order to prevent damage to the USB port.

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Please contact our customer support team at to get a FREE replacement. Q4: What Can I Do If the USB Port Connected Get Loose or Falls into the Portable Charger?

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We can expect 7.7 recharges of the iPhone 8 from a power bank with a 16000mAh capacity.įor full details, see our full post on how many times your power bank can recharge a smart phone. If you were using a 16000mAh power bank and wanted to find out how many times you can charge your iPhone 8, you would input the formula like so: 16000 x 3.7 / 5 x 0.85 / 1821 = 7.7 charges

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Here is how to calculate it so you know if you next power bank will provide 2, 4 or more charges: Labeled capacity of the power bank x 3.7 / output voltage of power bank x 0.85 / battery capacity of device = Total number of recharges A smaller sized power bank will charge your phones less times than a large sized one. It depends on the capacity of the power bank and the battery capacity of your mobile device. Q3: Why Did the Power Bank Recharge My Device Only Twice? That said GoPros and Kindles can be recharged with a portable charger as can most MP3 players, headphones, cameras, and drones. A laptop has an output voltage between 11V-21V therefore, a portable charger cannot charge a laptop.Īlways check the voltage and charging current of the connected device to see if it is within the listed range. Our portable chargers have a 5V output voltage which can typically charge devices from 4.5V-5.5V. This depends on the voltage of the connected device. Q 2: Can Devices like a Go Pro, MP3 Player, Kindle, Camera, Earphone, Laptop, Drone, or Other Devices Be Charged? View part 1 and part 2 for tips on how you can save battery power.

Stop using your device (this is a drastic and bold choice).

Turn off push notifications, email retrieval methods, or any part of the phone that is communicating with the outside world.

To increase the efficiency of the charge we suggest: As covered in our battery saving tips post, some activity like streaming music rapidly uses your battery, while other methods like closing apps make little difference. This is depends on what activity your phone is doing. Q1: Why Does It Take so Long Time to Charge My Mobile Device?

Below they have answered 10 of the most common questions fans ask us at RAVPower. From questions about speeds, battery sizes, and USB ports, our awesome service team know the answers and are always happy to help. When it comes to charging, we have heard it all before.