Photive 12000mAh Dual USB Portable Battery Charger. External USB Battery Charger for iPad Air, Mini, iPhone 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, Nexus 4, 5, 7, 10, HTC One, One 2 (M8) and more
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- Dual USB Outputs - Charge 2 devices at the same time. Designed to Quickly Charge Smartphones, Tablets, Bluetooth Speakers, and More
- 12000 mAh of power. High capacity Battery In a compact Package. Charges an iPhone Approximately 6-7 Times. Charge A Power Hungry Samsung Galaxy S5 about 4 times, and Get a Full charge for an iPad Air
- Intelligent Design. Exterior- Soft Feel Rubberized Finish. Built in LED Flashlight, and LED Battery Status bar. Interior- Short-circuit protection, Over current protection, Rapid Charging IC
- Compact form factor- At less than 4 inches Tall and 3 inches wide, this power bank fits neatly in the palm of your hand and fits easily in your backpack, purse and even your pocket. It's a discreet device that also wont add much weight at only 8 ounces.
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Description for Photive 12000mAh Dual USB Portable Battery Charger. External USB Battery Charger
Photive 12000 portable Power Bank is the perfect companion for your Smart Phone, Tablets, eBook, PDA, iPhone, iPod, and most other USB powered devices. Fitted with dual USB ports with optimized charging for smartphones and tablets, the PH-PB12 is a nearly universal accessory. Your mobile devices will last for days, thanks to an ultra-high capacity of 12000 mAh. Best of all, this battery features practical components such as an LED flashlight, battery life indicators.Ultra high capacity- 12000 mAh of power, high capacity Battery In a compact package. Charges an iPhone approximately 6 Times. Charge a Power Hungry Samsung Galaxy S5 about 4 times, and Get a Full charge for an iPad Air Ultra Compact Form Factor- The Photive PB-12 is not only powerful, but is one of the smallest and lightest charger of its kind. Measuring in at less than 4 inches tall and 3 inches wide. The 12000mah powerhouse only weighs 8 oz Dual ports for optimal charging Charge 2 Devices at the same time. 1.3A and 2.1A ports for optimized, fast charging all devices. Universally Compatible- Works with multiple devices, including mobile phones, Bluetooth headsets, smartphones/PDAs, MP3 players, portable gaming devices, digital cameras, GPS devices and more LED flashlight Doubles as a handy light in a power emergency.Specs- Battery Type: Lithium Ion- Capacity: 12000mAh (5V) - Output: 2 x 5V USB ports for fast dual charge: 2.1A port / 1.3A port- Charges: Cell Phones, Smartphones, iPod, iPhone, iPad, eBook readers, Digital Camera, and other USB Devices- 1' micro USB cable included
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Most helpful customer reviews on Amazon.com
There are two USB ports on this power bank. The blue port is marked with two lightning signs, while the black port has one lightning sign. According to the box, they are both called 'Intelligent Port', with a maximum total current of 3.1A. Note that the Tech Armor unit also has one blue port and one black port, but they are rated '2.1A' and '1.3A', respectively.
When I tested charging my B&N NOOK HD+ Tablet using the Photive unit, either port gives the same charging current of ~1.9A (The Nook HD+ draws 1.95A when charged from Nook AC adapter). This is good because now I don't need to remember which port is for charging what device.
To verify the battery capacity, I connected a 2.5 ohm power resistor as load to the USB1 port, and monitor the output current and voltage over time. The port is able to product roughly 1.84A at 4.83V (8.9W) for 242 minutes before shutdown. The total output energy is therefore 8.9 Watt * (242/60) hour = 35.9Wh. This corresponds to a capacity of 12000mAh for the internal battery, if we assume conversion efficiency of 81% (because 12Ah * 3.7V * 0.81 = 35.9Wh). So the capacity rating is accurate.
The Tech Armor unit produced 35.5Wh of output energy in my previous testing. That means the two units are practically identical in this aspect.
[Battery Status Indicator]
There are four LEDs in the battery status indicator. Naturally people will assume that each LED represents 25% of remaining charge. My actual observation showed it to be the case during discharge:
4-LED : 75-100%
3-LED : 50-74%
2-LED : 26-49%
1-LED : 4-25%
Blinking : under 4%
The battery status indicator on the Tech Armor unit is slightly non-linear: 4-LED represents 85-100%, 3-LED = 59-84%, etc.
Charging current is 1.4A initially (as measured by my PortaPow USB Power Monitor), and drops lower when the battery is nearly full. It took around 8.5 hours to recharge the internal 12Ah battery from completely empty to full. Note that if your USB power supply is unable to sustain over 1A of current, then the charge time will be much longer.
There is one minor problem I noticed: During charging of the internal battery, the status indicator turned to 4-LED after just 6 hours, even though the battery is still around 75% full. This may make the user think that the battery pack is fully charged and remove the charger prematurely.
Both Photive and Tech Armor power banks performed as advertised according to my testing. I liked the Photive unit slightly more because of its 'Intelligent Port' design, and linearity of its battery status indicators. Currently the Photive unit is priced 30% lower, making it an even better value.
- A single tap on the power button turns on the battery status indicator. It goes off after a few seconds if no load is detected. You have to turn on the Photive unit's power first, for it to start charging USB devices. The Tech Armor unit, on the other hand, will power up automatically once a device is plugged in. This is more convenient but consumes more power in standby.
- There is a small LED that passes as flashlight. The light is very wimpy but at least it is better than nothing. You need to press and hold the power button for 3 seconds to turn on/off the LED.
- The unit supports some form of pass-thru charging. That means you can recharge the power bank while it is charging an USB device. However, I notice that its output current drops to just 0.5A. This is probably done to limit the input charging current.
What is good about it
Product is well finished with soft rubber like surface. If you do not mention about the price, people would think it is a premium product. It feels sturdy and classy.
Charging time varies depending on what charger you use. I am not going through the details of charging as most people use their cell phone chargers which would take around 4 hours. Charging with your Laptop / desktop USB port is not a good idea.
RECHARGING OR BACK UP POWER
I was really impressed by the ability of this device to provide back up power. I have a Samsung Galaxy S5 and My wife has a iPhone 6 plus both phones with a power hungry display. The "Photive" charged both phone from 0% to 100% 4 times before it came down to single LED beacon. The unit has 4 LED beacons to show battery status. All 4 beacons light up when fully charged, and over the period of usage they go off one by one. I also charged a Galaxy note with a 10.1" screen almost 3 times from 0% to 100% with 2 LED beacons still on. That kind of power is more than enough for a normal user.
WHAT IS NOT SO GOOD ABOUT IT
I did not see much difference between 1.3A and 2.1A ports charging time. 2.1A port should have recharged target device faster than a 1.3A port. However, it is not a major issue for me.
I bought this unit when it was on sale but even at its current price it is still worth the money. I suggest using your phones original charging cable instead of the one that comes with the unit. The stock cable I received had some connecting issues. Unit is little heavy but not a deal breaker. I am ordering 2 more units as a gift.
The only reason it claimed a 4 star rating is due to the stock cable connectivity issue. I did not contact either the seller or amazon for this issue since I had spare cables.
One thing that isn't in the instructions book, when charging, say you have two LEDs left when it's not plugged in, when you plug it it, the second will blink. I'm pretty sure that's because it's charging up to 50% and is working towards 100% it'll be totally charged when it's on the charger, has all four LEDs and no flashing. This freaked me out when I first got it...but I now know that it's just a helpful way to know when it's done charging.
No one mentions this, but it's nice for if you're on the couch, if the cord doesn't reach 😏👍🏻 ITS OKAY TO BE A LITTLE LAZY just sayin...
But yes it will be very nice for trips! Charge it when you can and your devices later!
Also you can use it for sleepovers, campouts, and would be great in emergencys or if your power goes out! Just keep it charged!
And the flashlight works really well too, and the power button on the side doesn't stick out that much. It's nothing to worry about. It doesn't even really stick out, it is basically flush with the charger. And it can be easy to press, but you just have to be a bit careful.
I also found out that an iPad mini 2 takes up about 4440 mAh (and that's what I primarily use) so I could charge it a couple times and my phone a couple times too. Pretty cool.
My opinion, totally worth it.