I bought this batteries for a lantern that I use ice fishing in the early morning and sun down. Installed the batteries and turn on the lantern and set a timer and it ran an 1 hour and 52 minutes with not loosing very much brightness. The LuxPro lantern says 1.75 hours on high . So I would have to say that they are a very good batteries. And I would buy again even using them in the cold weather.
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