| | |  | | | Home » | | | | | | | Product Details: | | | Product Length:
| 5.12 inches | | Product Width:
| 3.15 inches | | Product Height:
| 0.55 inches | | Product Weight:
| 0.33 pounds | | Package Length:
| 8.9 inches | | Package Width:
| 6.5 inches | | Package Height:
| 2.2 inches | | Package Weight:
| 1.2 pounds | | Average Customer Rating:
|  based on 31 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 31 customer reviews )
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Most Helpful Customer Reviews
21 of 21 found the following review helpful:
 Light, compact power packJun 15, 2010
By Kennith Scott Johnson
I have found this to be a great way to carry a load of portable power when I'm in "road warrior" mode. The two USB connectors can be used simultaneously to give both my phones a top-up, and in a pinch I can even use it to recharge one of my smaller batteries (Kensington K33442, 1000mAh and DLG DLA52527, 1200mAh) that attach to my iPhone.
There are a few disappointments. That gray grip that looks so much like rubber is really just gray hard plastic, so it's not non-slip. The charge indicator, as far as I can tell, is one LED. If it comes on, there's power. If it doesn't, well, I guess there isn't. The manual doesn't explain further.
The "Free Tips for Life" deal is bogus, too. Yes, they'll send you free tips (up to two per year), but you will pay a shipping and processing fee on EACH of them (even if they ship together) that's more than the cost of the tip and probably ten times what they cost to ship and "process."
All in all a great product, but some deductions must be made for the lack of a workable power gauge and the bogus "Tips for Life" scam.
14 of 14 found the following review helpful:
 Excelent performance, high capacity.Mar 26, 2010
By B. Garber
Very high quality, light weight, loads of power, and will charge 2 devices at the same time. I've kept this power pack in my topcoat pocket and had portable power where ever I go. I've used it on airplanes, airports, conferences, restaurants, etc. When others are tied to, or desperately searching for an outlet I'm browsing, talking, and charging in peace and tranquility. It easily fits in my neoprene laptop case and while a little too large to be unnoticed, it will fit in a sport-coat or jacket pocket as well. At 4000mw it may be overkill for my iPhone, camera, and GPS, but I bought this over the 2000mw unit in anticipation of using it with an iPad. For an iPhone alone the 2000mw unit would be even easier, i.e. less noticeable, to carry in a suite-coat pocket.
9 of 9 found the following review helpful:
 I'm keeping mine, but jus' barely...Jul 28, 2011
By C. King
"chadman"
What a great idea. The Energizer XP4001 Universal Rechargeable Power Pack is just an ok execution.
The cheap low quality cables are this products glaring weakness. The 2 cables that shipped with my unit do NOT maintain a good enough connection to charge anything.
If I place my device in my bag the the OEM cables connected to the Energizer XP4001 I have no idea whether my device is charging or not.
Just moving around in my bag the connector is more likely than not to maintain a good charging connection.
When I plug a better quality USB A to Micro cable into the Energizer XP4001 no problem. A charging connection is maintained and the Energizer XP4001 Universal Rechargeable Power Pack performs pretty much as expected. I can't say how my 24" USB A to Micro cable is affecting the efficacy of the XP4001. I would not be surprised if it creates a greater drain n the XP4001, but hey it works.
With the cheap cables that ship with the Energizer XP4001 Universal Rechargeable Power Pack alone, I would give the XP4001 1 star and I'd be shipping the unit back to the manufacturer. The fact that the manufacturer chose to use standard USB A port on the unit gives it back 2 stars keeps it useful and in my possession.
4 of 4 found the following review helpful:
So far so goodMar 23, 2011
By M. Vincent
My intent in purchasing the battery was to have something for backpacking and for business trips. On the first charge I was able to charge the following over the course of 24 hours:
0% to 100% iPhone4 in about 3 hours
low charge to full charge 3rd gen iPod shuffle in 2-3 hours
50% to 98% iPhone4 in about 1.5 hours
It was dead after that. I am pretty happy with these results. I don't mind the grey area not being rubberized. I am concerned about shock from being dropped or handled roughly so I may look for a case like you would use for a GPS unit to go on it. I do wish it had a power meter of some sorts.
4 of 4 found the following review helpful:
Love this charger!Nov 23, 2010
By Debora K Dempsky
Now that I have a smart phone, I am constantly checking game scores online while at the college football games. By the end of the game my phone would be about dead. No place to charge up my phone while sitting in the stadium. Tried this out for one game and loved the extra power boost. My phone re-charged about as quickly as it would have plugged into an A/C outlet. Got one for my daughter as well. She plays in her college band at the games. On the long road trip to away games, her phone is usually dead by the time they get back on the bus to go back to campus. She now uses this charger on the bus to keep her phone fully charged. She has plenty of juice to last the entire game, and then uses the charger again for the return trip. Used it again this past weekend at a game. Our friend's phone was just about dead, and was able to charge up both of our phones at the same time. We don't travel anywhere without this charger any more! Love it! Definitely worth every penny.
See all 31 customer reviews on Amazon.com
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