Solution
- Natural Battery Aging: Lithium-ion batteries naturally lose capacity over time and through repeated charging cycles. Retaining approximately 80% of the original battery capacity after prolonged regular use is standard for wearable electronics, not a hardware defect.
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Use the Correct Standard Charger: Only use a standard adapter that matches your specific model's specifications. Avoid high-wattage fast chargers or laptop bricks, as they can trigger internal protection modes or damage the battery.
- 5V 1A Required: M5, M5 Smart, M6, S9 Pro, S12 Pro, S12 Pro Quick
- 5V 2A Required: Wellness 1, M9, V1 Pro, V2 Pro
- Fully Charge & Count Your Sessions: Connect your pump to a verified adapter and let it charge uninterrupted for 2.5 to 3 hours until the indicator signals it is completely full. Once fully charged, track and count exactly how many standard pumping sessions the device can complete before the battery dies.
Note
If your device is relatively new but the calculated count is abnormally low (e.g., lasting fewer than 3–4 sessions per full charge):
Please feel free to contact us . To help us resolve your issue quickly, please provide the following:
- The Serial Number (SN) of your device.
- Your Order ID or proof of purchase.
- The exact number of sessions your pump achieved after the full charge test.
- A clear photo showing the technical specifications (V/A text) printed on your charger.
- A short video capturing the rapid battery drain or power behavior.
