DIY 2000-Hour Flashlight Modification Guide
Modify your flashlight for up to 2000 hours of runtime by upgrading to a high-capacity battery and ensuring proper electrical connections and sealing.
1 article on Battery Life Extension in the Energy / Power category. Part of the Optimistic Doomer field intelligence database.
Modify your flashlight for up to 2000 hours of runtime by upgrading to a high-capacity battery and ensuring proper electrical connections and sealing.