Weight
- Eufy Smart Scale A1
- 1.1 kg
- Xiaomi Body Composition Scale S400
- 1.45 kg
Smart scale comparison
Eufy Smart Scale A1 vs Xiaomi Body Composition Scale S400
Compare measurements, precision, app support and design.
01Selected  Eufy Smart Scale A1
KSh 2,370In Stock | 02  Xiaomi Body Composition Scale S400
KSh 3,930In Stock |
|---|
2 of 4 products
Add to comparison
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Our quick verdict
Choose the Eufy Smart Scale A1 if you want a lighter build (1.1 kg).
Capacity
- Eufy Smart Scale A1
- Weight measurement range 5–150kg
- Xiaomi Body Composition Scale S400
- Weighing 0.1–150kg in 0.1kg divisions
Care instructions
- Eufy Smart Scale A1
- Hard, flat floor
- Xiaomi Body Composition Scale S400
- Stable level surface, clean electrodes
Key differences
The main differences to help you choose.
Eufy Smart Scale A1
- Lighter: 1.1 kg.
Xiaomi Body Composition Scale S400
No clear advantage over the Eufy Smart Scale A1 in the published specifications. Check the detailed comparison for features that matter to you.
What matters most to you?
4 priorities selected.
Eufy Smart Scale A1
- 1.1 kg.
- Weight measurement range 5–150kg.
- 4.5V, three AAA batteries.
- Hard, flat floor.
Xiaomi Body Composition Scale S400
- 1.45 kg.
- Weighing 0.1–150kg in 0.1kg divisions.
- Three AAA alkaline batteries, 4.5V.
- Stable level surface, clean electrodes.
Detailed comparison
Explore the full specifications, section by section.
General
| Specification | Eufy Smart Scale A1 | Xiaomi Body Composition Scale S400 |
|---|---|---|
| Brand | Eufy | Xiaomi |
| Model | T9120K11; T9120K21 | 50966 |
| Material | Tempered-glass platform | Reinforced glass and engineering plastic; four electrode pads |
| Capacity | Weight measurement range 5–150kg | Weighing 0.1–150kg in 0.1kg divisions; body composition requires 20–150kg, height 90–220cm and age 6–80 |
| Power | 4.5V; three AAA batteries | Three AAA alkaline batteries, 4.5V |
| Care instructions | Hard, flat floor; dry or slightly damp soft cloth; keep platform dry; replace all batteries together | Stable level surface; clean electrodes; barefoot contact; keep dry and follow battery instructions |
| Recommended use | Personal weight and fitness monitoring; not for medical diagnosis; manual prohibits use during pregnancy or suspected pregnancy, or with wearable/implanted electronic devices such as pacemakers or defibrillators | Home weight and estimated composition trends; Xiaomi Home on compatible Android/iOS; optional Bluetooth gateway |
Design
| Specification | Eufy Smart Scale A1 | Xiaomi Body Composition Scale S400 |
|---|---|---|
| Dimensions | 260 × 260 × 23mm | 300 × 300 × 24.55mm |
| Weight | 1.1kg | 1.45kg |
Display
| Specification | Eufy Smart Scale A1 | Xiaomi Body Composition Scale S400 |
|---|---|---|
| display | LED weight display | — |
Additional specifications
| Specification | Eufy Smart Scale A1 | Xiaomi Body Composition Scale S400 |
|---|---|---|
| connectivity | Bluetooth connection to supported eufy app | — |
| measurements | 12 body measurements, including weight, body fat percentage, BMI, muscle mass and bone mass | — |
| profiles | Up to 16 app profiles | — |
| measurement increments | 5–75kg: 0.1kg; 75–150kg: 0.2kg | — |
| measurement units | Kilograms in cited regional manual; other unit settings depend on supplied region and app | — |
| package contents | Scale, three AAA batteries and owner’s manual; phone separate | — |
Product details
| Specification | Eufy Smart Scale A1 | Xiaomi Body Composition Scale S400 |
|---|---|---|
| Measurement | — | Dual-frequency bioelectrical impedance; 25 reported indicators |
| Frequencies | — | 50kHz and 250kHz |
| Weighing range | — | 0.1–150kg |
| Minimum division | — | 0.1kg |
| Connection | — | Bluetooth Low Energy 5.0; optional separate gateway |
| App | — | Xiaomi Home; not Mi Fitness |
Similarities
- Both read in 100 g steps.
- Both go up to 150 kg (capacity).
- Both run on three AAA batteries.
In summary
Choose Eufy Smart Scale A1 for a lighter build.
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