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Halcyon Helios NiMH Lighting Systems Nickel-Metal Hydride (NiMH) battery technology emerged nearly thirty years ago from research on the storage of hydrogen for use as an alternative energy source. NiMH development resulted in batteries providing enhanced capacities while retaining the well-characterized electrical and physical design features of the sealed Nickel Cadmium cell design. Halcyon is pleased to be at the forefront of dive equipment innovation by introducing Nickel-Metal Hydride technology in its Helios line of underwater lighting. The discharge behavior of the Helios Nickel-Metal Hydride battery pack is well-suited for underwater lighting applications. Halcyon's NiMH battery pack provides a stable voltage for extended periods of operations. When compared to other battery technologies, Halcyon's Helios Nickel-Metal Hydride battery pack offers three distinct advantages:
Higher capacity: Halcyon's Helios battery pack has more than 50% more energy density than their lead acid counterparts. As a result, the Helios light canisters can be a fraction of the size of the Explorer Pro line with equal or greater burn times.
Environmentally green: NiMH batteries contain no cadnium, mercury, lead, or lithium which are proven to be a disaster in landfills.
No memory effect: Unlike lead acid and NICAD packs, NiMH batteries are not affected by battery memory effect and can be partially recharged and discharged at will without shortening the life of the battery. The NiMH Advantage
Thanks to the compact size of the Helios NiMH battery pack, Helios lighting systems are able to drive a variety of HID lamps for times that exceed the much larger Explorer Pro systems. The following table provides burn times for the Helios 4.5 and 9 primary lights as well as for the Helios video lighting systems. Times are approximate and based on our measurements using properly charged and conditioned battery packs.
Helios Primary Light Systems Model Configuration Burn Time
Helios 4.5 4.5ah 10watt HID 250 min
Helios 9 9ah 18watt HID 250 min
Helios Systems Manual
Apollo Video Light Systems
Model Configuration Burn Time
Apollo Video 4.5/24 4 4.5ah 24watt HID 120 min
Apollo Video 9/24X2 9ah dual 24watt HID 120 min
Apollo Video 9/50 9ah 50watt HID 90 min
Apollo Video 13.5 13.5ah dual 50watt HID 65 min
Apollo Systems Manual
Helios 9 and Explorer Pro 14
The extended burn times are remarkable considering the reduction in size of the lights: the displacement of the Helios 9 18 watt HID light is three times less than the Explorer Pro 6 with the same lamp, yet it burns for twice as long. The Helios 4.5 10 watt HID is three times smaller in displaced volume than a similarly configured Explorer Pro 4 for the same practical burn time! The Helios 4.5 now comes with Halcyon's redesigned 10watt HID light head. The powerful Helios 13.5 video system, with its scorching twin 50 watt HID video lights, is one third the size of the Apollo 14; photographers and videographers alike will appreciate the increased maneuverability of diving with the smaller canister. Like the rest of the Helios line, the Helios 13.5's design is perfect for securing your 1st stage long hose during a dive.
