Replacement battery fits 20 EXFO compatible models. Specifications: 6400mAh, 14.4V, Li-ion. Compatible with: FTB-200, Deity SPD-1, Polymerase Chain Reaction (PCR) Instrument, Sound Devices Mixpre 10T lI, Sound Devices 833, Zen-O Lite Portable Oxygen Concentrator and 14 more compatible models. Replaces: Sound Devices NH2054, Sound Devices 53304200, Sound Devices NH2054RG, Sound Devices NH2054HD3…