Viridian tactical energy 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. Our batteries have up to 31% longer battery life than name brand batteries. 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. Compatible with C Series Models.