Explorer and Proteus lighting systems set the standard for underwater illumination.

HID, halogen, and HMI lamps can be matched with any application, while a wide variety of canister/battery configurations allows you to dial in your system to meet the demands of any diving environment canister/battery configuratns allows you to dial in your system to meet the demands of any battery configurations allows you to dial in your system to meet the demands of any diving environment:

Key Features of all Explorer Primary Light Systems

- Sealed Delrin lid design; completely isolates battery compartment from cord and light head
- Battery and lid connect with corrosion-resistant, solid-core gold-plated plugs; plugs are O-ring sealed to ensure leakproof lid
- New secure battery tray with stainless steel rods for additional protection
- Unique captured silicon switch boot integrated into new ergonomic Delrin switch protector
- Halcyon Blue lid O-ring and switch boot
- Solid Delrin canisters are longer to ease the stowing of the long primary hose; water-trap in bottom of canister and raised battery tray provide additional protection for the battery
- Lifetime canister warranty
- Depth rated to 300ft/90m
- NiMH battery technology
- New dual-voltage 4amp charger with built-in cooling fan
- Many new features of the Explorer series are patent-pending.

The range of Explorer Primary Light Systems replaces the Helios in Halcyons line-up. Halcyons Proteus 3 and 6 Light Systems will still be available to provide the option of an entry-level, lead-acid primary light.

Explorer Light Head Options

Halcyon Explorer primary lights are available with your choice of 21 watt HID, 10 watt focusable or fixed 6 degree HID. Larger coldwater Goodman handle standard; smaller handle is available as optional purchase. The 21 watt head includes an integrated tie-off groove at the base of the cord.

Explorer Delrin Canister

Thanks to the compact dimension of the NiMH battery pack, the Explorer canister is a fraction of the size of a light using a lead-acid power supply. Just like its indestructible Scout back-up light, Halcyon mills the Explorer canister out of a solid rod of Delrin. The one-piece design ensures maximum structural integrity. Delrin shares the same characteristics of industrial metals such as aluminum and stainless steel. Some comparable properties include stiffness, dimensional stability, impact resistance, and structural strength. The one-piece Delrin canister is virtually indestructible under normal usage. Although the canister itself can withstand depths of over 3000 feet, the recommended working depth of the Halcyon Helios line is 300 feet/90 meters.

To complement the Delrin canister, all Explorer lights feature high quality stainless steel fittings and locking latches.

Halcyons Explorer Lighting Systems take advantage of the Nickel-Metal Hydride (NiMH) battery technology that 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 Explorer line of underwater lighting.

The discharge behavior of the Explorer Nickel-Metal Hydride battery pack is well-suited for underwater lighting applications. Halcyons NiMH battery pack provides a stable voltage for extended periods of operations. When compared to other battery technologies, Halcyons Explorer Nickel-Metal Hydride battery pack offers three distinct advantages:

- Higher capacity: Halcyons Explorer battery pack has more than 50% more energy density than their lead acid counterparts. As a result, the Explorer 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 cadmium, 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 Explorer NiMH battery pack, Explorer lighting systems are able to drive a variety of HID lamps for times that exceed the much larger lead-acid battery packs. The following table provides burn times for the Explorer 4.5, 9, and 13.5 primary lights as well as for the Apollo Video Lighting Systems. Times are approximate and based on our measurements using properly charged and conditioned battery packs.

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