3.6V and 850mAh capacity perfect for high-drain use Proprietary design is compatible with TLR-7 X tactical light Li-ion chemistry is rechargeable via integrated USB-C port Each battery is rechargeable up to 500 cycles saving you money on replacements Use the SL-B9 Battery to keep your favorite Streamlight products powered! This 3.6V, 850mAh battery is built to withstand high-drain use in your TLR-7 X Tactical Light. Access up to an hour of continuous operation, knowing you won&';t be left without light in a stressful situation. When depleted, simply remove it from your light and recharge via the integrated USB-C port. With USB-C becoming the industry standard, it&';s easy to give your batteries a charge in a vehicle, in the office, or at home. And this battery charges in just 2.5 hours. You&';ll save time and money on replacements thanks to the SL-B9 Battery!table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }