Viridian 3500004 CR2 Battery 3.0 Volts 1,050 mAh (3) Single

Viridian tactical batteries deliver the power to prevail when it counts. Advanced lithium technology, matched to the demands of tactical tools, ensures stronger, longer-lasting energy under all conditions. For performance you can trust under fire. These batteries are for laser sights, weapon-mounted lights and tactical flashlights. They have maximum life for instant readiness and maximum power delivery start to finish. They feature a low-impact, recycle-friendly design.