Lacey is interested in multivalent batteries, specifically zinc metal anodes. Currently, she is studying the mechanisms of how different electrolytes affect the reversibility of zinc anodes. Using ...

Alkaline batteries work best for remote controls and low drain devices. Here are CNET's favorites for long battery life. Alkaline batteries are needed more often than you may think. They're ...

Rechargeable lithium-ion batteries don’t last forever. Over time, they hold onto less charge, eventually transforming from power sources to bricks. One reason: hidden, leaky hydrogen ...

What is the best solar battery overall? We've evaluated dozens of solar batteries over the years, and in 2025, the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...