The Big Blue TL3800P is a self-contained technical light that pumps out a stunning 3800 lumens. This Scuba Dive Tech light has a compact body style, uses a reliable push-button switching mechanism, and your choice of four power levels and an SOS function. As a self-contained light, it uses a 32650 lithium-ion rechargeable battery and comes with a charger. The TL3800P also comes with a reinforced Goodman-style glove, and an aluminum lantern-style handle, which makes this light a versatile option for any diver. Now includes a USB charger that is capable of charging an 18650, 26650, and a 32650 battery.