OverviewSonata® is Medela’s smart double-electric breast pump for daily use, engineered for mothers who pump multiple times per day. Inspired by Symphony®, it incorporates responsive vacuum technology, a rechargeable battery for portable use, whisper-quiet operation and Smart Solution™ connectivity with the Medela Family™ app.
At a glance- Double-electric, daily-use breast pump for frequent pumping
- 2-Phase Expression™ Technology with one-touch let-down
- Smart Solution™: connects to the Medela Family™ app for session tracking and personalised guidance
- Includes PersonalFit Flex™ Breast Shields (soft rim, oval shape) for improved fit and efficiency
- Hospital-inspired responsive pump technology
- Illuminated touchscreen display and rechargeable battery for portability
- Closed system with overflow protection
Features & Benefits- Consistent sessions: responsive vacuum technology adapted from hospital-grade Symphony® for reliable pumping patterns
- Two clinically tested rhythms: select the rhythm that is most comfortable or effective
- Improved efficiency: PersonalFit Flex™ Shields can remove more milk faster versus traditional 90° shields
- Quiet operation: low-noise performance for discreet or nighttime pumping
- Portability & battery: built-in rechargeable lithium‑ion battery enables on‑the‑go use (see specifications for battery life and charging)
- Overflow protection: closed system design prevents milk from entering tubing and motor
- Touchscreen UI: illuminated, intuitive display with one‑touch let‑down control
What’s included- 1 x Sonata™ breast pump with rechargeable lithium‑ion battery
- 1 x pump carrying bag
- 1 x double pumping kit (connectors, valves, membranes, tubing)
- 2 x PersonalFit Flex™ Breast Shields (21 mm and 24 mm included)
- 4 x 5 oz storage bottles with lids
- 1 x cooler bag and cooling element
- 2 x bottle stands
- 1 x power adaptor
DownloadsOfficial instructions for use and product documents are available on the product page (see product documents field).
Care & Cleaning (summary)- Sanitise kit parts once daily (boil parts for 10 minutes or use Medela Quick Clean™ Micro‑Steam™ bag instructions)
- Inspect tubing after each session; wash tubing if condensation or milk is present
- Do not store wet or damp parts; allow parts to air dry and store dry
- If tubing becomes contaminated or mouldy, discontinue use and replace tubing
Notes- PersonalFit™ breast shields are compatible across Medela pumps; Sonata® double pumping kit components and power adaptor are designed for Sonata® to optimise performance
- Use only Medela‑identified accessories for this model to avoid damage
Characteristics / technical specifications- Model name: Sonata® Smart
- Power input: 100–240 V ~ 50–60 Hz, 400–200 mA
- Battery: built‑in rechargeable lithium‑ion
- Battery life (typical): up to ~1 hour of pumping per full charge (contexts may reference up to 1.5 hours)
- Weight: pump only approx. 2.2 lb (approx. 1.0 kg); retail package weight approx. 7.71 lb
- Unit/package dimensions: package approx. 10.34" x 16.37" x 7.13"
- Included shields: PersonalFit Flex™ 21 mm and 24 mm
- System: closed system with overflow protection
- Warranty: 1 year limited warranty on motor; 90 days on other parts