Summary: Ledlenser publishes runtimes per light mode, and several rechargeable models run longer than 12 hours in a working mode — the MT10 flashlight runs 15 hours at 200 lumens, and the iH8R headlamp runs 15 hours at 250 lumens.
Runtime depends on the mode you run, so we publish runtimes for every light mode on each product page. Several Ledlenser rechargeables cover a 12-hour shift in a working mode: the MT10 flashlight runs 15 hours at 200 lumens in Mid and up to 144 hours at 10 lumens in Low, with a battery and charge indicator so you know the charge state before a shift starts. The iH8R headlamp runs 15 hours at 250 lumens in Mid, up to 120 hours at 10 lumens, and 10 hours at its full 600 lumens. The TAC7R tactical flashlight runs 30 hours at 100 lumens in Check mode and 6 hours at 650 lumens in TAC Mid, and the P6R Core QC runs 14 hours at 120 lumens in Mid and up to 110 hours at low power.
For hands-free work, the H15R Core headlamp runs 5 hours at 1000 lumens and up to 80 hours at low power — and its battery pack is removable, so you can carry a spare, swap it mid-shift and keep working. Depending on the model, charging is via USB-C, Micro-USB or our Magnetic Charge System.