Extend the life of your APC UPS with a 100% OEM compatible replacement battery from BTI BTI replacement batteries for APC UPS models are 100% OEM compatible BTI replacement batteries for APC UPS models are typically 30-40% lower in cost than the OEM BTI replacement batteries for APC UPS models are assembled in the USA, making them TAA-compliant. High quality replacement Battery Battery Chemistry: Lead Acid 9000 mAh Capacity Output Voltage: 12 V DC Black Color