Battery

For campers and remote workers alike, it's great to have an external portable AC power supply for your laptop, cellphones, small appliances and smart devices. In addition to a 120V AC plug, these also have USB power ports built in. We…

We review the Jackery portable solar generator Li-Ion battery backup power units, with 167Wh and 240Wh. The Jackery power supplies typically top the lists in customer satisfaction and value, which is just part of the reason we like these.…

Want to recharge your smartphone on the go? These ultra small external battery packs are called "lip-stick" sized, since they are typically the size of a lip-stick tube or a roll of mints. Many priced under $15, the cost is as small as they…

For picnics, camping, RV, backyard parties and emergency uses a portable power battery station is an excellent way to power up all your personal electronics. The battery stations will handle your smartphones, tablets, computers, lights and…

We review the top rated AA ("double A" or "L91") and AAA ("triple A" or "L92") Alkaline batteries from Amazon Basics, Duracell, EverReady, Energizer, Rayovac, and Costco's Kirkland brand. Alkaline batteries can cost under $0.25 cents in…

The top rated, best Lithium Ion AA ("double A" or "L91") and AAA ("triple A" or "L92")  batteries have a shelf life of 20 years, and active usage of up to 10 years. Leading brands for the best batteries include Energizer Ultimate Lithium…

Don't let the polar vortex keep you indoors this winter. Light-weight, battery powered heated jackets are the hot ticket for staying warm when the cold front moves in. The newest entrant into battery-heated jackets is the successful…