Withings has a new hybrid smartwatch that promises 30 days of battery life – Phandroid
How to change the battery on Withings Move ECG watch | Nokiamob
Withings brings ECGs to its new analog smartwatch and blood pressure monitor, launches affordable smartwatch with 18 month battery life - 9to5Mac
Withings Steel HR review (hands-on): The heart-rate watch with month-long battery life
3.7V Battery for Withings WBP01 WBP01 - Smart Baay Monitor 1050mAh NEW | eBay
Amazon.com: Withings Steel HR Sport Hybrid Smartwatch (40mm) - Activity, Sleep, Fitness and Heart Rate Tracker with Connected GPS, Smart Notifications, Water Resistant with 25-Day Battery Life : Electronics
Withings Activité Pop Smartwatch Teardown - iFixit