The Hyperion FL1300R Dive Torch is a great all-round torch with 1300 lumens and an 8 degree beam. 

It is lightweight and compact enough to fit in your BCD pocket and makes a great primary light or can be used as a strong backup torch. Rated to 150m depth, on maximum power it will run for up to 90 minutes. 

Simple to use the push button offers multi function, with 100% power, 50%, 25%, flash or SOS. It comes with a 18650 lithium-ion rechargeable battery, with charger and cable.