S9 Robot Vacuum Battery 5200mAh 14.8V Li-ion Replacement for Xiaomi 1A 1C Lydsto R1 UONI V980MAX

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.