[Lithium-Ion] Inexpensive compared to name brand.

[650 mAh / 2 Wh] It does exactly what I wanted. I wasn't aware until I received it that there were adapter plates that I might order for other types of batteries as well. My main concern was to extend the life of my still camera due to its charging connector being damaged and unuseable. But I now see that I might be able to order adapter plates or platforms for other batteries, as well, when needed. Great product!

[0.15 lb] I purchased this as a spart battery for the Nikon D3, but when I tested it during a baseball tournament, I found that the battery life was noticeably longer than the standard battery, so it is now my primary.

Service from B&H Photo was, as always, fast and accurate, and the shipment and delivery were timely.

[3.7 VDC] finally can use my camera again ! love the charger

[Lithium-Ion] First, it can charge an ancient camera's battery. Second, it has a two-colour charge light indicator. Third, it is small with folding plug. Fourth, it comes with a European plug adapter. Fifth, it comes with a 12-Volt car adapter. Sixth, it has a USB port that can charge another device at the same time, regardless of power source. oh yes, and it works. I've only used the obvious mode so far. This replaces the original Olympus charger, which has a large box and a long cord.

[3.7 VDC] It works very good thank you

[650 mAh / 2 Wh] I purchased the battery to replace the original for my D3S. Since Nikon no longer sells a battery for my camera I tried the Jupio. So far, it has performed well. The fit was fine and it delivered all the power I needed. I have shot one HS Basketball game without issues.

[3.7 VDC] There was a time when I would only use manufacturers' only batteries in my bodies. However, I had four new in the box EN-EL4a Nikon batteries which had never been used. I did store it for about 1 year without use or charge. When I attempted to charge it, it would not charge. When I called Nikon to see if any service would be available they me it was not.
The Jupio Proline fits a little tight in the compartment. I believe it may be the connector that is really tight. It charges fully. It also reads properly in the battery information in the camera (D3S). I haven't been able to use it long enough to determine just how long it will function on a charge. That information will be forthcoming. For now I will only use Jupio batteries. With my disappointment with Nikon products it may not be too much longer.

[0.15 lb] Does its job well.

[0.15 lb] I lost my camera battery charge in Morocco and had no way to upload my pictures. I ordered this and it charged the battery quickly and I was able to share my photos. I love that it came with a European adapter and car charger.