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Product Description
Charges Apple products, micro USB devices and all other devices designed to the charged from a normal USB socket.
4 USB sockets Charges two iPads simultaneously at high speed, or 2-3 smartphones, or 4 normal phones/smaller devices, or any combination in between. Cables not included. If the charger is overloaded it will auto-scale and not switch off.
2500mA (12.5W) Power Output And the ability to output 2100mA from one USB socket. In plain English - charge more gadgets at the same time and at a faster rate. Its still backwards compatible with devices which charge at a lower current, the PortaPow will not charge your devices any faster than they were designed for. iPads will charge significantly faster from our 3.5A charger, search for B00CS2JQ0S.
Wide compatibility - charges Apple products, Raspberry Pi, micro USB devices and all other devices designed to the charged from a USB socket just using a normal USB Cable. The Samsung Galaxy Tab / Note 10.1 do not follow the standard USB specification so will not charge using the supplied cable. Search for B009ZQKMDA for a solution. The Asus Transformer will not charge from a standard USB socket. Older iPads may need an iOS (software) update to charge successfully.
Colour Changing LEDs - The LEDs will change from blue to purple when a device is being charged, and back to blue when they are no longer drawing power. The charger shows that some devices actually continue to charge for some time ever after displaying 100% on screen, and shows when the device's battery is truly fully charged. Now with softer LEDs suitable for both day & night use.
The charger has short circuit protection, and it will switch to trickle charge once your device's battery is full.
4 USB sockets Charges two iPads simultaneously at high speed, or 2-3 smartphones, or 4 normal phones/smaller devices, or any combination in between. Cables not included. If the charger is overloaded it will auto-scale and not switch off.
2500mA (12.5W) Power Output And the ability to output 2100mA from one USB socket. In plain English - charge more gadgets at the same time and at a faster rate. Its still backwards compatible with devices which charge at a lower current, the PortaPow will not charge your devices any faster than they were designed for. iPads will charge significantly faster from our 3.5A charger, search for B00CS2JQ0S.
Wide compatibility - charges Apple products, Raspberry Pi, micro USB devices and all other devices designed to the charged from a USB socket just using a normal USB Cable. The Samsung Galaxy Tab / Note 10.1 do not follow the standard USB specification so will not charge using the supplied cable. Search for B009ZQKMDA for a solution. The Asus Transformer will not charge from a standard USB socket. Older iPads may need an iOS (software) update to charge successfully.
Colour Changing LEDs - The LEDs will change from blue to purple when a device is being charged, and back to blue when they are no longer drawing power. The charger shows that some devices actually continue to charge for some time ever after displaying 100% on screen, and shows when the device's battery is truly fully charged. Now with softer LEDs suitable for both day & night use.
The charger has short circuit protection, and it will switch to trickle charge once your device's battery is full.
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Customer Reviews
Most Helpful Customer Reviews
15 of 15 people found the following review helpful
By Itimpi
Amazon Verified Purchase
I wanted a charger that was as good as the Apple one for my iPad and can also charge 2 devices when needed. This device fits this need perfectly. I particularly like the fact that when both ports are in use the power is not simply split equally across the two ports as is the norm I have seen in the past on other chargers so I can charge both an iPad and an iPhone simultaneously at sensible rates.
32 of 34 people found the following review helpful
Amazon Verified Purchase
I bought this to power my Raspberry Pi computer impressed by its claimed max output of 2.1 Amps, it looks the business as well and I happily charged my Galaxy S2 using it until my Pi arrived. Imagine my discomfort then when the Pi showed all the signs of an inadequate power supply. Testing as described here [....] (trying both outputs in case of mis-labelling) confirmed that it wasn't delivering anything like the power claimed. This was compounded by the fact that an el-cheapo charger of the kind given away free with batteries only rated at 800mA for USB outperformed it as did the Samsung Galaxy S2 charger only rated at 700 mAh. Interestingly my Garmin Forerunner USB charger rated at 1 amp performed pretty much the same as the Portapow.
Sorry for the over-technical post but I see so many one-star reviews by people with an obvious agenda or who are talking nonsense, this device will be fine for charging phone/tablet batteries but doesn't appear to deliver the output quoted in real-world situations. Maybe there is a subtle difference between "chargers" and "power supplies" and this is the issue here.
Update 20/06/2012
The seller contacted me and explained that for the unit to supply the full current a different type of cable is required, when I use this, the Portapow does power the Raspberry Pi perfectly OK although the voltmeter tests described on the Raspberry Pi Wiki still rate it as marginal. I suspect that the voltage tests make the assumption that the current delivered on demand is a function of voltage drop (I don't know enough physics) but this doesn't seem to be the case with the Portapow in this particular application.
Sorry for the over-technical post but I see so many one-star reviews by people with an obvious agenda or who are talking nonsense, this device will be fine for charging phone/tablet batteries but doesn't appear to deliver the output quoted in real-world situations. Maybe there is a subtle difference between "chargers" and "power supplies" and this is the issue here.
Update 20/06/2012
The seller contacted me and explained that for the unit to supply the full current a different type of cable is required, when I use this, the Portapow does power the Raspberry Pi perfectly OK although the voltmeter tests described on the Raspberry Pi Wiki still rate it as marginal. I suspect that the voltage tests make the assumption that the current delivered on demand is a function of voltage drop (I don't know enough physics) but this doesn't seem to be the case with the Portapow in this particular application.
4 of 4 people found the following review helpful
By LW
Amazon Verified Purchase
Unlike so many cheap adapters this works well for my ipad and other gadgets and had not failed yet; I have bought another one.
Most Recent Customer Reviews
1.0 out of 5 stars
Great Idea, looks good quality but does not deliver whats promised.!!
Purchased to charge multiple devices, currently have htc work phone, apple iphone five and Ipad 3rd gen. Read more
Published 4 days ago by Gizmo
5.0 out of 5 stars
Excellent all in one charger
I bought this to rationalize and simplify my charging of multiple devices which I usually do overnight. Read more
Published 5 days ago by Trev-R
4.0 out of 5 stars
Fantastic
Brilliant piece of kit - Charged both iphones and mini ipad all at the same time.
I purchased another. Read more
I purchased another. Read more
Published 10 days ago by Mr. M. Innes
4.0 out of 5 stars
Charges my family's phones
Charges all my family's phones and kindles no problems. Will charge a Nexus 7 slowly (no where nearly as fast as the native nexus charger). All in all very happy. Read more
Published 13 days ago by stumpie
4.0 out of 5 stars
Nicely Done
It does exactly what you need it to do B-) 4 usb plug charger B-)
No more need for an extension lead, Good Build quality,
I like it B-)
No more need for an extension lead, Good Build quality,
I like it B-)
Published 14 days ago by Brian Landry
5.0 out of 5 stars
Compact and informative
Nice leds let you know what it's doing, either charging or not and which ports are active.
The design is attractive, nice and I've had no problems using it.
The design is attractive, nice and I've had no problems using it.
Published 17 days ago by Daniel Abbatt
5.0 out of 5 stars
works as described
Connectors feel solid, well build, the LED squares indicating something is drawing current are a nice touch. Read more
Published 17 days ago by David
4.0 out of 5 stars
Multiple usb devices
If you've ever been in a one socket hotel room with multiple smart devices then this is a very good buy. Read more
Published 19 days ago by Merlin M
5.0 out of 5 stars
Perfect for a tablet/smartphone heavy house
We've now got three tablets and two smartphones are were quickly running out of sockets to charge them all in. Read more
Published 26 days ago by Ben Bowtell
5.0 out of 5 stars
Bit of a punt, but great product. But... Why the projector LEDs?!
I had no idea which to buy and this seems expensive, but it's very well built and does the job perfectly. Read more
Published 26 days ago by Dave
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