(1/4 blue LEDs, neither device was every fully drained prior to charging, but I went the whole week charging both devices).When comparing this device to the

The LED's flash when charging, showing the charging is progressing, also show the charge level during usage

you did well” charge on the last day

I also found that by using a simple Velcro strap, I can strap my phone to the battery for easy charging without any cords getting in the way.

myiPad 3 retina display without fully depleting the stored charge

The charging indicator LED's are also a welcome feature.

I loved charging on the go, in my handbag, at the beach, all over the place all weekend.

Sure, a smaller battery pack would be a better match for me, but Ilike not having to worry about whether it has enough charge to give myphone a quick juice

Charging in 8 hours might be a con for some, but because it can recharge WHILE charging, it's not an issue for me

Having a 2.1 amp port is great for speedier charging.

Pros:+ Fast charging (6031mAh in 4.5 hours).+ Great efficiency (67-100.5%)+ Compact and light

After this use the unit showed a very impressive 3/4 charge left

Sure kept my Bose headset and cellphone well charged!

fast charging - totally charged my iphone4 and ipad2 in 3 hours

The LED charge indicating lights are a nice touch (and not so bright that they are annoying)

So, it smart-charges

long!It also saved me during a recent international trip where my power jack in my seat was not working the PowerPak charged up my iPad 3 completely and showed half the life left while I slept.

I also like that this battery remained cool while charging

Durable Ports are air-tight sealed Device holds charge really well (never tested this specifically, but always holds full charge until whenever I need it

I would redesign the button with a different color [such as bright red or neon green].In conclusion: I am very happy with the Xtreme and am confident that this is a savvy mobile charging solution for those who travel

It charges my devices multiple times and has two convenient charging ports

I got 2 of them and use them at home as well as for travelling