Replacement Battery Specification
- Battery Model: Viomi S9
- Capacity: 5200mAh
- Voltage: 14.8V
- Battery Type: Li-ion (Rechargeable)
- Configuration: 4S2P
- Cycle Life: 500+ cycles
- Cell: Grade-A cells, high quality guarantee
- Weight: 410g
- Color: Blue
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- Viomi S9
Compatible Device Model
- For Xiaomi Viomi S9 Robot Vacuum Cleaner
- For Xiaomi Viomi 1A Robot Vacuum Cleaner
- For Xiaomi Viomi 1C Robot Vacuum Cleaner
- For Lydsto R1 Robot Vacuum Cleaner
- For UONI V980MAX Robot Vacuum Cleaner
- For ROIDMI EVE Plus Robot Vacuum Cleaner
- For Uni ALPHA S9 Robot Vacuum Cleaner
- For Uni MJSTX1 Robot Vacuum Cleaner
- For Uni VXVC07-JG Robot Vacuum Cleaner
Product Features
- ✅ High-capacity 5200mAh / 14.8V Li-ion battery for extended cleaning sessions
- ✅ Premium 4S2P configuration with Grade-A cells for stable, consistent power output
- ✅ 500+ cycle life — long-lasting performance that keeps your robot vacuum running like new
- ✅ Built-in BMS protection against overcharge, over-discharge, and short circuits
- ✅ Direct plug-and-play replacement — no modification required
- ✅ 1-year warranty with responsive after-sales support
Why Choose This Battery
This 5200mAh replacement battery is compatible with a wide range of robot vacuums across multiple brands including Xiaomi Viomi, Lydsto, UONI, ROIDMI, and Uni, making it a versatile solution to restore full cleaning runtime per charge.
Key Benefits
- Grade-A Li-ion cells in 4S2P configuration deliver OEM-equivalent runtime
- Stable 14.8V output ensures consistent suction power throughout the cleaning cycle
- Multi-layer protection circuit prevents overheating and voltage spikes
- 500+ rated cycle life extends the usable lifespan of your robot vacuum
- Cost-effective alternative to OEM replacement at a fraction of the price
⚠️ Important Notice: Please double-check your original battery model and shape before placing an order. If you need help identifying the correct battery, feel free to contact us with photos of your original battery.