BTI DL-ST15 Notebook BatteryBTI DL ST15 Notebook Battery Power your notebook with peak reliability and extended run time using the BTI DL ST15 Notebook Battery. Specifically designed for devices that require a proprietary DL ST15 form factor, this 6 cell, 5200 mAh battery delivers steady performance when you need it most. With a nominal voltage of 10. 8 V DC, the DL ST15 is a rechargeable upgrade that fits securely into compatible notebooks, minimizing wobble and ensuring