You can change the batteries in electric shaver yourself(Braun series5) - YouTube
Amazon.com: Braun Series 5 Electric Shaver Replacement Head - 52B - Compatible with Electric Razors 5090/5190cc, 5040/5140s, 5030s, 5147s, 5145s, 5195cc, 5197cc : Beauty & Personal Care
Amazon.com: Braun Series 5 and 6 New Generation Electric Shaver Replacement Head - 53B - Compatible with Razors 5020s, 5018s, 5050cs, 6020s, 6075cc, 6072cc : Beauty & Personal Care
Braun Series 5 Shaver, Blue | Braun
2pcs Electric Shaver Battery Series 5 530s-4 550cc-4 590cc-4 570 For Braun Series Aa 3.6v 680mah Li-ion Battery - Rechargeable Batteries - AliExpress
Kastar 6 Pcs Li-ion Battery Replacement for PHILIP Norelco Shaver Razor AT891, AT893, Spectra 8895XL, Braun Series 5-565C, Arcitec PT920/21, 1050X, 1059X, 1060X, 1090X, Panasonic ES8103 - Walmart.com
Braun Series 7 790cc-7 Battery Replacement - iFixit Repair Guide
Braun Series 3 ProSkin 3000s Electric Shaver for Men/Rechargeable Electric Razor, Black - Walmart.com
Braun Shaver Model 7680 Battery Replacement - iFixit Repair Guide
Braun Series 5 5018s Review: Is The New Generation Better? • ShaverCheck
Braun Series 5 FlexMotionTec Replacement Power Handle with Battery and TrimmerCLICK FOR SUPPORTED MODEL NUMBERS!
Replacing The Rechargeable Battery in a BRAUN Activator 8000 8781 & Syncro, 360 Electric Shavers - YouTube