Li-Polymer-battery - 550mAh (3.7V) - for dental water flosser (oral irrigator, dental water jet) Philips Sonicare Airfloss HX8140 - Electropapa
vhbw Replacement Battery Compatible with Philips Sonicare Airfloss HX8140 Dental Water Flosser Oral Irrigator (550mAh, 3.7V, Li-Polymer) : Amazon.co.uk: Health & Personal Care