Amazon slashed this must-have Thermacell mosquito repeller to the cheapest price we've ever seen on Amazon in a huge Prime ...

French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than usual LASER ...

The three blue lines depict the cycle performance of 18650 batteries comprised of 90% wt graphite and 10% wt Novacium's custom-engineered SiOx blend.

This model contains a high quality rechargeable 2600mAh 18650 battery. The R20 Javelot charges through a Micro-USB port on the side of the flashlight.

If you want to grab some capacious and reliable rechargeable batteries for less, look no further than these Eneloop Pros from Amazon.

18650 Things To Do With An Old Laptop Battery If you’ve owned a laptop for a few years, you’ve no doubt encountered the problem that the battery eventually loses its ability to hold a charge.

The Consumer Product Safety Commission is warning customers against purchasing loose lithium-ion battery cells that can be used for vapes, flashlights and other small devices. In particular, the ...