Posted 19 August 2003 - 01:22 AM
Yes, the Greenforce battery tube has a pressure release valve at one end, mostly to relieve outgassing during charging while the tube is closed, but obviously a great safety feature in the case of water ingress.
If people haven't seen these lights, they're of a tubular design, where each joint, from tube to umbilical to handle to head are all triple o-ring sealed. Boy, do they mean it!
Anyway back onto topic Steve, any rechargeable battery is going to heat up, outgas and generally get upset if flooded. It would appear that the Epoque ES-150 is listed by vendors as accepting NiMH, so you should not be stepping outside the design specs by using the cells you are considering.
It does pay to think about the worst case scenario and then make up your own mind as to how likely it is and how bad the likely consequences are. In general, over pressure in a plastic housing is safer than over pressure in a metal one, largely due to plastic failing at a lower pressure.
Regards to all
S&S DX-5D housing, TTL, YS-110s, ULCS, etc.