DescriptionFSAW17670: AW Lithium 17670 3.7V 1600mAh BatteryFOURSEVENS
This is the AW battery cell rated for high current. It is the top of the line in rechargeable cells, which is why FOURSEVENS recommends AW Brand batteries as their secondary line (rechargeable). This battery is rated at 1600mAh and up to 4.2V when fully charged, normal output is 3.7V. Although similar in length to two CR123A batteries (end-to-end), the 17670 batteries have a slightly larger diameter than the CR123A batteries and may not fit in all two-cell CR123A flashlights. Use with the FOURSEVENS Single-Bay Smart Charger for best results.