If you have a UPS that uses a battery 12V 12AH with RBC6 type, you can try replacing it with products from APC. RBC6 battery is the replacement baterry product manufactured by APC shown to have high performance, high-flow design, wide operating temperature range, and expected longevity. Replacement batteries meet or exceed original manufacturer specifications and guarantee your satisfaction regarding the quality, durability, and performance. If your old UPS do not wear battery types RBC6, you can measure the dimensions of space on your UPS battery replacement. If insufficient, you can use products from APC, and feel its best quality.