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Nothing outlasts Energizer ® Ultimate Lithium ™ AA batteries. The Energizer ® Ultimate Lithium ™ batteries are not only the #1 longest-lasting AA batteries…they are complete
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. In many cases, yes. rechargeables don’t deliver as much voltage as disposables (typically 1.25V rather than 1.5V), but they normally maintain the same level for longer and can just be recharged when they run dry. You pay more upfront for the batteries and the charger (if you need one), but you’ll recoup the difference within a couple of uses – and AA batteries cost so little to recharge that it’s barely worth thinking about. Factor in the clear environmental issues and it’s a no-brainer, although many local councils and some supermarkets now offer free recycling.
Not all AA batteries are equal. From long-lasting lithiums to low-cost alkalines, we’ve picked out the best for stamina and performance
Similar applications in which lithium cells offer an advantage include personal grooming accessories, PIR sensors, high-tech flashlights and night-vision goggles. In particular, lithium cells work well in equipment that demands occasional short bursts of high current – not least in photography flash units, where their relatively light weight is also beneficial. 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. Best for: Everyday and High-tech electronics Available in: AA Ultimate | AAA Ultimate | 9V Ultimate
New long-lasting Energizer Ultimate 1.5V AA or LR6 batteries are capable of lasting up to eight times longer than standard equivalents. Renowned for durability, the Ultimate lithium range is a top choice for devices with occasional high current demands. 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.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. with leak resistance and performance in extreme temperatures (-40ºF to 140ºF or -40ºC to 60ºC). To ensure your favorite devices operate at their peak performance, depend on Energizer ® Ultimate Lithium ™batteries for work, play and home. Alkaline : The mainstream battery technology for high-drain devices. They’re cheap and very easy to find, and last much longer than the old zinc chloride batteries. Technical advances have also seen the major problems – a short shelf life and a propensity to leak – reduced or even fixed.
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