Replacement Biomedical Battery for 3M Healthcare Powered Air Purifying Respirator (PAPR). This NiCd battery has a nominal voltage of 4.8V and a rated capacity of 5.7Ah. B11538 Replaces OEM Part 520-01-17
Rebuild only and you must send in your battery for rebuild.
rebuilt with aftermarket, non-OEM parts,
Part Number B11538 (PAPR) Retrofit Rebuild