Flashlight Features The rechargeable version of the 3700 with mutliple options for charging. The Fast Charger System comes with a 2-bay charger base: a fast charging bay for the Big Ed (with battery pack installed) and a trickle bay for a spare battery pack (not included). It also comes with a 110V transformer. The Trickle Charger System comes with a trickle/trickle charger base. It is available with either a 110V transformer or 12V plug-in adapter (for vehicle installation). Another option for vehicle installation for the Trickle system is with a direct wiring kit accessory. | Light Source | Tested Lumen Value | Tested Lux Value (@ 1 meter) | Xenon (Primary) Krypton (Back-up) | 72.0 | 8,000 | | Batteries | Battery Burn Time | Battery Pack/ Charging Time | 4 C NiCad (Included) | 2 hrs. (Primary) 5 hrs. (Back-up) | NiCad Battery Pack 2.5 hrs. | | Watts | Voltage | Length | 8.2 (Primary) 3.5 (Back-up) | 4.8 | 7.0" (17.8 cm) | | Weight w/Batteries | Weight w/o Batteries | | | 20.48 oz. (0.58 kg) | 10.5 oz. (0.30 kg) | | | | | Big Ed™ Rechargeable 3750 Approvals  | | ll 3 G EEx nL llC T2 (HI); T4(LO) Certificate: Epsilon 01ATEX1066X |  | | Listed 4S67/E184884 Class I, Div. 2 Grp. A,B,C,D, T2A | |