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You're more than welcome here. I'm the one who sent them the link suggesting that they need to address this thread. Hopefully, they'll join as well.'m brand new here, and created this account just so I could reply. I hope I haven't broken any board rules/netiquette stuff. (I promise, I'll fill out my profile properly later, but I need to run to a meeting.)
4 AA batteries for 10 hours of dive time? you'd up end up having to swap batteries every 2 days on a liveaboard trip
rechargeable nimh batteries have roughly half the capacity of alkalines. at that rate, you wouldn't even make it through a day of diving.
they should've have opted for integrated lithium polymer using USB recharge. finding USB chargers isn't that hard, especially considering how often people will have one for lights/strobes.