Quantum 2x2

Customer review for Quantum Turbo 2x2 Battery Pack. For power-hungry digital cameras and flashes, Quantum 2x2 Quantum provides a solution with 40% more power than the standard Turbo Optional Turbo Cable required, except for Qflash. And, now you can have two connections, for a camera and flash, two cameras or two flashes! The 2x2 provides programmable low voltage for your digicam and high voltage for your flash at the same time Compatible with "SD" series power cables for digital cameras. ... Learn more »

Quantum 2x2 Review: Quantum Turbo 2x2 Battery Pack. Used these at work and had to get one for myself. I use a Canon 40D with Canon 580EXII, works great with them. When I use it I can easily get 1,000 shots. Obviously not full power, but I never use full power anyway. I love these batteries, they are fast, and last forever. Never had any problems with any I have ever used. 2 ... Read more »

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