Quantum Battery - QB1+
Affordable, reliable powerAffordable, reliable power for most shoe-mounted flash units that use 4 or 5 "AA". (If your flash is handle-mounted and uses six "AA" batteries see the Quantum QB2 battery.)
for most shoe-mounted flash units
Provides hundreds of flashes and fast, consistent recycling time. In many situation, when using your flash in automatic / TTL mode, and where full power is unnecessary, you can expect over 1,000 flashes.
50% faster recycling tha n "AA" batteries, and consistently fast recycling times, even as battery charge is depleted. The "fuel gauge" lights make monitoring battery capacity and charging a snap.
QB1+ is rechargeable up to hundreds of times. Save hundreds of dollars on throw-away batteries, and help the environment.