Equipment > Satnav (GPS GLONASS COMPASS Galileo)

Rechargeable AA batteries at lower temperatures

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krenaud:
Obviously non-rechargeable lithium batteries are a must in really cold temperatures, but do any rechargeable NiMH AA batteries stand out as better than others when the temperature starts dropping below 15 degrees?

Hugh Westacott:
Krenaud

Would that be 15 centigrade or fahrenheit, and is it possible that a minus sign is missing?

Hugh
I grow old...I grow old, I shall wear the bottom of my trousers rolled. T.S.Eliot

krenaud:
Hugh,

That is +15C. I have noticed that performance is affected already at temperatures below room temperature to become really bad when nearing or passing below zero and I wonder if any brand is better than others regarding outdoor temperatures.

Hugh Westacott:
Good heavens, Krenaud, I had no idea that the performance of re-chargeable NiMH batteries declined at just below room temperature.

But as the temperature in the UK never reaches 15C, none of us would have noticed!

I grow old...I grow old, I shall wear the bottom of my trousers rolled. T.S.Eliot

ianj37:
I use Sanyo (I think it's been taken over by Panasonic now) Eneloop rechargables in my GPS and I've not noticed any problems using it at temperatures down to around -3C - to be clear I haven't found that there are problems below that temperature, I just haven't taken it anywhere where the temperature is below that!
 The batteries aren't the cheapest but they tend to get top user reviews everywhere.

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