Batteries are both lithium and a higher voltage with regulated 1. V output. They charge quickly, have a quality look and feel, and come with the charger. Seems better than duracel and energizer rechargeable i usually buy.

After testing one set of four in one flashlight, i am ordering a second set. They fit perfectly, they align in the holes if the aftermarket cases we bought for his controllers and the connect of the magnetic charger to these got so perfectly. Two for ...  Read More

Can't charge in standard battery chargers. They shoulda just threw in another cable to make it easy on their customers.

Batteries are more typically rated in mah, or milliamp hours. This battery's 10,000 mwh to mah is only 6666 mah. In comparison with 2 c alkaline batteries these last 7 days for a very low voltage figurine light.

Charged after purchase and placed in flashlight unused for several months. Took batteries out and found center post on 5 of 6 batteries had “collapsed”. Discharges too fast.