The Anton/Bauer Hytron 140 Battery Gold Mount utilized Nickel Metal Hydride chemistry long run times powering lights or cameras. No travel restrictions, so a convenient road warrior. Get up to 4 hours of run time on many HD cameras. NiMh batteries are a little heavier than LiOn batteries, but the extra weight provides a nice counter balance with larger lenses. Pair it with the Anton/Bauer Twin 2 position battery charger for an economical battery package.