High Capacity: No longer to worry about the endurance of the batteries, Kastar high capacity battery will provide ultra strong power for your flashlight / headlamp to performance well and operate longer. Battery Specification: Battery Type: Lithium-ion; Battery Voltage: 3.6V; Battery Capacity: 2.6Ah 9.36Wh; Battery Dimensions: 70.3 x 20.6 x20.6 mm (2.77" x 0.81" x 0.81"). Safe to Use: Kastar lithium-ion battery cells meets UL1642 & CE safety standards to ensure that your battery pack will be safe to use as a replacement for your unit. Comes with built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection circuit. Save Money & Time: Do not spend too much time and money on frequent brands with low quality replacement. With our longer run time & protection features, your cycle life will also be improved because you get quality product for your device. Package Includes: 2-Pack Batteries Warm Reminder: Can use "Ctrl" + "F" easily to find your models

1. Compatible with battery models:

Streamlight 74175 Li-ion Battery

2. Compatible with these Streamlight flashlights and headlamps:

Strion Switchblade

Strion LED Flashlight
Strion LED HL Flashlight

Strion HPL Flashlight

Strion DS HPL Flashlight
Strion DS HL Flashlight

ProTac HL USB Flashlight
ProTac HL USB Flashlight
ProTac HL USB Headlamp

Twin-Task USB headlamp