Average battery life?

Curious how long batteries last on average. Wanting to use for finish line triggering at track and cross country meets.
Normal vs rechargeables? Thanks!


  • The laser will be the limiting component with 40h (2 x AAA) or 80h (4 x AAA) runtime. These are figures from Cactus for 1000mAh Alkaline batteries. You can find more battery life figures in my LV5 review.

    Battery life should be a bit lower for rechargeables as they don't quite have the same capacity as Alkalines; at least they did not at the time I was writing my test.
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