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Each LR6/AA cylindrical cell measures 51 millimetres (height) by 15 millimetres (diameter). Ultimate AA batteries are direct replacements for size codes AM3, E91, FR6, L91, KAA, MIGNON, MN1500, ND62S, R6, UM3 and 4006.Lithium : Lithium batteries work even better than alkalines. They last much longer, have an epic shelf life, don’t discharge as much power when not in use and can cope with extreme temperatures. While normal alkaline AAs struggle below 0°C, lithium batteries will operate down to -40°C. They can also be up to 9g lighter than the equivalent alkaline AA battery, which counts when you have something powered by four AAs. The only negative? They’re significantly more expensive. Rechargeable batteriesare a handy solution to keep something working 24/7, be it rechargeable AAA batteriesor rechargeable AA batteriesthat you're looking for. For things like your digital camera, these are just what you need so you can get snap happy on holiday and take all the photos you need. They're the perfect solution for your games console controller too, meaning you'll be able to keep on gaming to your heart's content for as long as you like. Leak-resistant and boasting a shelf life of as long as ten years at room temperature, Ultimate AA/LR6 Energizer cells deliver reliable power. They continue working in extreme heat and cold: the manufacturer-recommended temperature limits are -40°C (minimum) and 60 degrees Centigrade (maximum). Especially useful in portable appliances, the battery weight of 100 grammes is around 30 per cent less than typical alkaline cells.

Energizer lithium batteries are renowned for their reliable and long battery life, and have won the title of the world’s longest lasting batteries in high-tech devices. Thanks to innovative improvements, Energizer lithium batteries have impressive battery life to keep your devices going for longer.The best AA batteries you can buy in 2023 1. Energizer Ultimate Lithium: The longest-lasting AA battery Superior performance in extreme temperatures from -40 to 140 degrees Fahrenheit – great for use in all seasons