Amazon.com: Synergy Digital Shaver Battery, Works with Philips 4222-036-11290 Shaver, (Li-Ion, 3.7V, 750 mAh) Ultra High Capacity, Compatible with Arcitec 036-11290 Battery : Health & Household
Powery razor battery Philips HQ9190, 3,7V, 750mAh/2,8Wh, lithium ion, rechargeable, 49,6mm x 14,8mm x 14,8mm, 100% Compatible. New - AliExpress