Restore your robot vacuum’s full cleaning power with this high-performance 4S2P Lithium-Ion Replacement Battery, engineered for seamless compatibility with the Xiaomi X10+ and other supported models. Designed to meet OEM specifications, this battery delivers reliable energy output, extended runtime, and consistent performance—bringing your vacuum back to peak efficiency.

Built using advanced lithium-ion cell technology, the 4S2P configuration (4 cells in series, 2 in parallel) ensures stable voltage delivery and enhanced capacity. This results in longer cleaning cycles, stronger suction consistency, and fewer interruptions during operation.

Whether your original battery is no longer holding charge, draining too quickly, or affecting cleaning performance, this replacement provides a cost-effective and dependable solution to extend the life of your device.

Features

• Fully compatible with Xiaomi X10+ robot vacuum
• Direct replacement for P2150-4S2P-XWDLS / MMBK battery models
• 4S2P lithium-ion configuration for stable voltage and extended runtime
• Restores full cleaning performance and battery life
• High-quality cells for improved durability and charge cycles
• Built-in protection against overcharge, overheating, and short circuits
• Consistent power output for uninterrupted cleaning cycles

Performance & Reliability

This battery is designed to meet or exceed original specifications, ensuring reliable performance and safe operation. With integrated protection circuitry and high-grade lithium-ion cells, it delivers stable discharge and long-term durability.

Advanced internal components help optimise energy efficiency while protecting against overheating, overvoltage, and short circuits—ensuring both safety and longevity.

Technical Specifications

• Model: P2150-4S2P-XWDLS / 4S2P-MMBK
• Battery Type: Lithium-Ion
• Configuration: 4S2P (8-cell pack)
• Voltage: 14.4V
• Capacity: Approx. 5200mAh
• Energy: ~69Wh
• Rechargeable: Yes
• Protection: Overcharge, over-discharge, short-circuit protection

Compatibility

• Xiaomi X10+ Robot Vacuum
• Compatible with battery platforms including:
  • P2150-4S2P-XWDLS
  • P2150-4S2P-MMBK
• Also used across select Xiaomi / Dreame robotic vacuum models (model-specific fitment applies)
• Compatible With Dreame D9/D9 Pro/D9 Max, Robot Vacuum Cleaner
• Compatible With Dreame F9/F9 Pro, Robot Vacuum Cleaner
• Compatible With Dreame D10/D10 Plus/D10 Plus Gen 2, Robot Vacuum Cleaner
• Compatible With Dreame D10s/D10s Plus/D10s Pro, Robot Vacuum Cleaner
• Compatible With Dreame L10/L10 Pro/L10 Prime/L10 Ultra, Robot Vacuum Cleaner
• Compatible With Dreame L10s/L10s Ultra/L10s Ultra Gen 2/L10s Plus/L10s Pro/L10s Pro Gen2/L10s Pro Ultra Heat, Robot Vacuum Cleaner
• Compatible With Dreame Z10 Pro Robot Vacuum Cleaner
• Compatible With Dreame W10 Robot Vacuum Cleaner
• Compatible With Dreame W10 Pro Robot Vacuum Cleaner
• Compatible With Dreame RL55L Robot Vacuum Cleaner
• Compatible With Dreame RLS5-BL0 Robot Vacuum Cleaner
• Compatible With Dreame RLS5-WH0 Robot Vacuum Cleaner
• Compatible With Dreame RVS5-WH0 Robot Vacuum Cleaner
• Other models are not matchable, please check carefully before placing orders.
• Specifications
• Model: 4S2P-MMBK
• Nominal Voltage: 14.4V
• Max Charge Voltage: 16.6V
• Size : 132*37*37mm
• Application : Electric Sweeper,Robot
• Model Number : 4S2P-MMBK
• Type : Li-Ion
• Vacuum Part Type : 4S2P-MMBK
• Model : Compatible With Dreame D9 F9 L10 D10 D10s L10s L10 Pro L10 Plus D10 Plus D9 Pro D9

Please verify your original battery model and connector type before purchase.

What’s in the Box

• 1 × Replacement Li-Ion Battery Pack