They’re safe and reliable, they create less environmental waste, and as we explain in the Wirecutter guide to rechargeable batteries, they pay for themselves after about six recharges, even with the added cost of a wall charger (for which Wirecutter also has a recommendation). In most cases, these days you’re better off using rechargeables. They hold a charge for much longer than the rechargeable batteries that were available in the 1990s-or even a few years ago-and you can recharge them hundreds of times over. As Isidor Buchmann, CEO and founder of the Canada-based battery technology company Cadex Electronics, explains on the company’s educational resource site Battery University, many of today’s rechargeable batteries are made of nickel–metal hydride (NiMH), a more efficient material than reusable alkaline, and are chemically sealed to prevent battery leakage from crusting up your electronics. ![]() Since then, rechargeable batteries have become less expensive, more reliable, and much longer lasting. Sometimes I’d flip open the battery slot of a rarely used toy to find a crusty, whitish discharge from a leaky AA inside, or I’d leave the ’90s-era rechargeable batteries juicing up on a bulky charger for an entire day only to have them die after just a few hours of use. Many of my favorite things as a kid-from my Walkman to the TV remote-required AA or AAA batteries. Sign up for our Wirecutter Weekly newsletter to get our latest recommendations delivered straight to your inbox.
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