Amazon.com: Synergy Digital Shaver Battery, Compatible with Arcitec Norelco AT811 Shaver, (Li-Ion, 3.7V, 750 mAh) Ultra High Capacity, Replacement for Philips 036-11290 Battery : Beauty & Personal Care
Batteries N Accessories BNA-WB-L7360 Shaver Battery - Li-Ion, 3.7V, 750 mAh, Ultra High Capacity Battery - Replacement for Arcitec 036-11290 Battery - Walmart.com
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Amazon.com: Synergy Digital Shaver Battery, Compatible with Arcitec Norelco AT811 Shaver, (Li-Ion, 3.7V, 750 mAh) Ultra High Capacity, Replacement for Philips 036-11290 Battery : Beauty & Personal Care