SaFPWR Milano Smart Battery Case for Apple iPhone 4 & 4S Rechargeable Portfolio Cover - Black Lizard Leather - Bulk Packaging

Awsome product.!!!Very usefull.!!

I'm not so sure yet about this product. When it works well I can get about 2 1/2 charges to my iPhone 4. I let it sit for weeks after being fully charged to find out that it ran out of juice. So I don't know if it cannot hold charge over long period.Couple observations:-There is no sign for on or off. When looking at the phone, switch right to turn on charging.-Charger is not new micro SD that is standard to all new cell phones (except apple). It's older version charging system which I don't mind since all my GPS uses the connector.-When charging with USB cable to another device, charging will take longer or will not fully charge compared to charging directly to outlet.-There's no top piece to make the phone fully secure to the charger. It slides in and out from top which I don't mind since I can slide out to use selfie stick with ease. But I have notice that it sometimes slides out partially.-Unlike non-battery case where you can stand the phone on the side. This one just open and closes and does not stand on the side.-Strap is magnetic which I prefer over button ones.I like it since it is portforlio case that fully protects the phone when I drop it which I do often. No damages to case or phone upon drop over 5ft or so.

I ordered this Smart Battery Case to replace the one I had, which I liked very much, but no longer worked. My order was filled promptly, but the case will not charge up, therefore will not function to recharge my iPhone 4S battery. I'm thinking it must be too old and the battery within the case is no good. Turns out it is useless to me.

Lifesaver!