Fenix ARB-L21-5000 V2 Rechargeable 21700 Rechargeable Battery Lineman Work Jacket and the inside label shows

and the inside label shows UL certification details

40% more compact than the SS-3

The numerous points of connection allow the user to climb

Tangle-free swivel top to add mobility

Milwaukee delivers on its Heavy Duty promise making up to 500 cuts on a single set of blades

Fenix ARB-L21-5000 V2 Rechargeable 21700 Rechargeable Battery Lineman Work Jacket and the inside label showsFenix ARB L21 5000 V2 rechargeable 21700 battery provides the voltage and power needed for extended runtime and higher lumen capacities. The ARB L21 comes with all the bells and whistles of high quality Fenix batteries, including protective circuits inside the anode and up to 500 charging cycles. Also included are the three sets of overheat protection: pressure relief, microporous, and PTC cathodal block. Don't run out of light; pick up a spare 21700