RAVPower® Dynamo-On-the-Go RP-PB07 10400mAh External Backup Battery Pack Charger / Power Bank (Premium Samsung Cells Adopted, 5V / 3A Dual USB Output, Free Wall Charger & Carrying Pouch Included, Limited Edition, originally labeled 10000mah), Fit for Andr Compare Prices
Best Review: RAVPower® Dynamo-On-the-Go RP-PB07 10400mAh External Backup Battery Pack Charger / Power Bank (Premium Samsung Cells Adopted, 5V / 3A Dual USB Output, Free Wall Charger & Carrying Pouch Included, Limited Edition, originally labeled 10000mah), Fit for Andr - This is a great product for anyone who travels or works long days. You can charge your tablet or smart phone while on the bus, train, and plane or in a meeting without looking for one of those hard to find wall plugs. This powerful battery pack can charge your smart phone multiple times or extend the use of your smart tablet. (Please see the details listed below in my test results)It is beautifully designed, small and portable. It uses four top of the line Samsung 18650 power cells which will provide years of recharging capability, up to 500 plus times. These are the same style of batteries used in many portable computer battery packs. Each cell in this device is rated to 2600 mAh capacity so the power pack has a fully charged capacity of 10,400 mAh.What I like is that the unit is priced well and it is so small and portable but can really carry a lot of power. It easily fits into your purse, briefcase or pocket. You could recharge most smart phones from 4 to 6 times with this power cell. I have included a video of this review and I hope it is helpful to you.The output current to charge your devices is limited to two Ampere on port 1 and one Ampere on port 2. Please remember that after you connect your device to press the power bank's "On" button one time to start the charging. Make sure to take note that your electronic device indicates that it is charging.The blue LEDs on the front that flash when the unit is charging or stay on to indicate the battery charge level are bright. If you charge it in your bedroom turn the LEDs side down to cover them up at night as to not light up the ceiling of the bedroom, especially when they were flashing. (Very distracting) Each LED represents a 25% level of battery charge.Ravpower included accessories:* 2 adapter cables, 21 ½ inches long, for charging and for use with micro USB devices. You may have to use your own cable on some devices.* AC wall charger with USB output* Flannel draw string bag for carrying* Instruction manual* 1 year warrantyRavpower Main Features:* 10,000 mAh capacity* The unit is compact and beautifully designed and weighs in at 8 ¼ ounces.* Highly attractive design* It features dual USB ports rated at 4.8 to 5.3 VDC and one is rated at 2 Amps and one at 1.0 Amp.* You can charge two devices at once using the dual USB ports.* It has 4 LED status lights that indicate the battery charge level.* The battery pack uses 4 Lithium-Ion batteries of 18650 style that are rated at 2600 mAh each for a total of 10400 mAh capacity.* The battery pack can be recharged 500+ timesPerformance while charging various devices with the Ravpower 10,000 mAh from one charge:* iPad 2 started 52% battery at 4 LEDs RavPower pack 10,000* Next morning the iPad 2 was at 100% and the RavPower still had 3 LEDs.* During the day the RavPower battery pack dropped from 3 LEDs to 2 while just sitting. I then charged an iPhone 4 with the partially depleted battery pack.* iPhone 4 at 18% and battery pack at 2 LEDs.* 30min 53% 2 LEDs on the RavPower 10,000* 60 min 79% 2 LEDs on the RavPower 10,000* 90 min 89% 2 LEDs on the RavPower 10,000* 120 min 100% 2 LEDs on the RavPower 10,000* I then used the same battery, partially depleted and charged an iPad 3.* iPad 3 at 83% and the RavPower at 2 LED's* Next morning iPad 3 at 100% and RavPower at 0 LEDsLimitations of device charging:* iPhone 4 battery 1,420 mAh battery capacity* iPhone 4S battery 1,432 mAh battery capacity* iPad 2 battery 6,944 mAh battery capacity* iPad 3 battery 11,560 mAh battery capacity* Kindle Fire battery 4400 mAh capacity* Kindle Keyboard battery 1750 mAh capacityAs you can see the RavPower will not fully charge a totally dead iPad 3 because it only contains 10,000 mAh of capacity. It will add to your usage time and my suggestion is to turn off the iPad while charging or start charging very early and use the RavPower battery first while saving as much of your iPad battery as possible. You have to consider the losses in the charging circuits of both the battery pack and the device you are charging.Device charging real world:* iPhone 4 5 times and close to 6 times full charges out of a fully charged RavPower.* iPad 2 1.2 times a full charge* iPad 3 73% of a full charge* Kindle Fire (first generation) 1.9 times* These figures are based on 85% efficiency between the battery pack and your device's electronics. This means 8500 usable mAh capacity available for device charging. This example is the same for all battery packs you may use.Issues to be aware of:* Not recognized by HP Touchpad as a charging source* A full charge to a depleted RavPower will take 20+ hours with your computer (calculated at 500 mA output from the PC)* You can also charge the RavPower with your car's USB charger or your AC wall charger.* A wall or car charger outputting 1 Amp will charge the battery in approximately 10+ hours.* When using a higher Amp charging device the charging current is limited to 1 Amp by the battery's internal circuitry.* You must push the RavPower's "ON" button to begin charging your mobile device.This is an excellent product and deserves a 5 star rating. I recommend it to you.I received a sample product for evaluation and I promised to provide a fair and honest review.
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