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What is the battery pack part number for a WFM90/91/90D/91D?

Subject: Products | Published: October 2026 | FAQ ID: KB-03531

Question: What is the battery pack part number for a WFM90/91/90D/91D?

Answer: The WFM90, WFM91, WFM90D and WFM91D all use the same rechargeable NiMH battery pack (part number 146-0107-01, no longer available).