http://SmokingStrobes.com: When you are in an intensive photo shoot then you really donât want your batteries to go down. You want your camera and your speedlights to keep going and going and going ⦠just like a marriage between the Duracell and the Energizer bunnies. Well, then I think I got some good tips for you. Itâs about using high quality batteries just like eneloop cells (now also featured by apple as re-branded Sanyo eneloop AAâs) and external batteries (Hypermac in my case) for your laptop.