Versatile High-Capacity Power for Critical Medical & Precision Measurement Devices This REF 900-102 replacement battery pack is a unique, high-energy component engineered for two distinct professional applications: portable medical oxygen therapy and high-precision laboratory instrumentation. With a substantial 98Wh (6805mAh) capacity and stable 14.4V output from its 12-cell Li-polymer construction, it delivers reliable, long-lasting power where it matters most.