Now Hasselblad users can prolong the battery grip on their H1, H2, and H3D camera systems up to 400% by using the HD+ as an external FireWire power supply to provide energy to the digital magazine or back, freeing the Li-Ion grip to power the rest of the camera system.
Preliminary testing showed a power consumption of 35% of the available grip energy on a Hasselblad H3DII-31 after 825 shots of moderate autofocus, no flash with interval of 2 seconds and 11 card reformats. When the HD+ was attached to the FireWire 800 port on the digital magazine, the battery grip consumed 20% of grip power - after 1650 shots in identical shooting scenario. The HD+ was approximately 50% energy used.
The small, compact design (4.8 ounces) makes it ideal to slip into the camera bag or case as it is about the same size as a modern iPhone. Speaking of which, the USB port can be used to power USB devices such as the iPhone and other USB-chargeable phones, GPS devices, and other USB-powered essentials. Patented circuit technology allows the Li-Ion battery to outlast other designs and allows for a 3 year replacement warranty - clearly besting others offering 12 month repair warranty.
Shooting with the H3D digital back on a large format camera is now possbile without being tethered to the computer at a lower cost than the ImageBank accessory. Further, with AC power connected, the HD+ provides continuous power for longer shoot schedules.
Priced at $124.95, the HD+ is a bargain to assist the Li-Ion battery grips that are available from the low $200 to $300 range. Available at https://store.hotwire-digital.com
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