Review - Greenforce GF system 12 Lamp

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I recently took possession of a Greenforce dive lamp for the first time and I’ve been delighted with it!

The Greenforce comes in a strong and durable briefcase, which looks something like a laptop case, and immediately became the storage space for my dive computer and log books, as well as the lamp.

The model I have is the 12 volt, 30 watt halogen lamp, and I prefer conventional lighting to LED as the light seems more natural underwater.

The Greenforce system uses a cylindrical battery pack, and the bulb head can be either attached directly to it, or via an umbilical cable, with both components coming as part of the kit.

I’ve tried both, and prefer the umbilical set up, with the battery pack attached to the cylinder – it means the lightweight head clips to my jacket and I can use it without even unclipping, as it’s exactly where I need it to be. It also puts the heaviest part of the unit onto my back which seems more stable.

In terms of lighting performance, the Greenforce is good, but not the best. My old Kowalski seemed to give a broader, brighter light – the Greenforce is a little too focused for me. It’s exceptional when looking at a specific object, but for scanning a cave or a wreck, not as good.

The quality is exceptional – the whole thing is beautifully made, and uses triple O- Rings to ensure it stays water tight. Everything screws together as though it has been hand machined, and it feels as though it will last a lifetime.

Battery life is superb for a conventional lamp, and I’ve never seen it run down on a dive, even when left on for 40 or more minutes. It’s a bit of a pain having to remove the head to recharge it, but recharge time is an hour or two, and an LED tells you when it’s ready to come off charge.

Overall, a great quality product, but I might try some different heads to see if I can get a better spread of light. I expect it to last me for years.

Other review posts:

1/ Mares Isotherm Semi-Dry suit

2/ Apollo Tornado scooter

3/ Aladin Prime dive computer

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