High-Capacity 14.4V/14.8V 4S2P Lithium Battery

Precisely engineered for Xiaomi/Roborock S50/S51/T4/T6 robotic vacuums with enhanced 4-series 2-parallel cell structure for stable voltage output and extended runtime. Features premium 18650 cells with built-in PCM protection against overcharge/over-discharge.

Seamless Compatibility & Tool-Free Installation

Direct plug-and-play replacement with original connectors. CNC-machined housing ensures perfect fit with <0.5mm precision tolerance. Ideal for homes exceeding 150㎡ or pet hair cleanup requiring sustained suction.

Industrial-Grade Safety & Durability

UL-certified cells with 1000+ charge cycles. Shock-resistant ABS casing and high-temp soldering joints withstand continuous 65°C operation. Includes moisture-resistant PCB coating for humid environments.

Optimized Performance Upgrade

Delivers 20% longer cleaning cycles vs OEM batteries. Intelligent power distribution prevents sudden shutdowns during max suction mode. Perfect for multi-floor homes or commercial office maintenance.

Bulk Order Advantage

Factory-direct pricing with MOQ flexibility. Custom OEM packaging available. Ships with CE/RoHS documentation for hassle-free global customs clearance.