12 of 14 people found the following review helpful
No dimming in low temperatures unlike other batteries,
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This review is from: Sanyo Eneloop AA 4 Pack Batteries (HR-3UTGA) - rechargeable up to 1500 times (Accessory)
Only been using a short time, I got them for my bike light/torch that has been dimming in cold weather. These new Eneloops are rated to work as low as -20 degrees C, they certainly work at -4C unlike my other rechargeables which were struggling +4C. They also don't seem as 'fat' as some other rechargeable batteries, which can sometimes be a problem in fitting.