The Xiaomi BRR-2P4S-5200S 14.4V 6800mAh lithium-ion battery powers Roborock S5-S7 series vacuums, offering extended runtime and stable performance. With EVE Battery cells and smart charge management, it ensures 2-3 hours of continuous cleaning. Compatible with S5 Max, S6 Pure, and S7 models, it’s a direct replacement for degraded OEM batteries. Regular calibration maximizes lifespan.
Differences Between Eve and Other Brands
How Does the BRR-2P4S-5200S Battery Enhance Roborock Performance?
This 6800mAh high-capacity battery increases cleaning duration by 25% compared to standard 5200mAh packs. Its 14.4V output maintains suction power during deep cleaning modes, while the built-in PCB protects against overcharge/overheating. Users report 180-minute runtime on quiet modes and 110 minutes at max suction. The battery’s cycle life exceeds 500 charges at 80% capacity retention.
The advanced cell configuration enables simultaneous power delivery to multiple systems – the vacuum motor, mapping sensors, and mopping pumps operate without voltage drops. Roborock engineers specifically tuned the discharge curve to match the S7’s 42W peak power demands, maintaining 14.2V even at 15A draws. Third-party tests show 98.7% energy utilization efficiency compared to 92% in older batteries, translating to 15 extra minutes of cleaning per charge cycle.
Top 5 best-selling Group 14 batteries under $100
| Product Name | Short Description | Amazon URL |
|---|---|---|
|
Weize YTX14 BS ATV Battery  |
Maintenance-free sealed AGM battery, compatible with various motorcycles and powersports vehicles. | View on Amazon |
|
UPLUS ATV Battery YTX14AH-BS  |
Sealed AGM battery designed for ATVs, UTVs, and motorcycles, offering reliable performance. | View on Amazon |
|
Weize YTX20L-BS High Performance  |
High-performance sealed AGM battery suitable for motorcycles and snowmobiles. | View on Amazon |
|
Mighty Max Battery ML-U1-CCAHR  |
Rechargeable SLA AGM battery with 320 CCA, ideal for various powersport applications. | View on Amazon |
|
Battanux 12N9-BS Motorcycle Battery  |
Sealed SLA/AGM battery for ATVs and motorcycles, maintenance-free with advanced technology. | View on Amazon |
Which Roborock Models Support the BRR-2P4S-5200S Battery?
| Model Series | Specific Models | Release Year |
|---|---|---|
| S5 | S50, S51, S55 | 2018 |
| S6 | S6 Pure, S6 MaxV | 2020 |
| S7 | S7, S7+ | 2021 |
What Safety Features Protect This Roborock Battery?
The battery features 9-layer protection: overcharge prevention (4.35V±0.05V cutoff), temperature monitoring (-20°C to 60°C range), and short-circuit resistance. Its steel casing withstands 500N impact force, while the Grade A EVE cells include pressure relief vents. The PCM system auto-disconnects during 2+ hour over-discharge states. Certifications include UN38.3, MSDS, and RoHS compliance.
Thermal runaway prevention is achieved through three redundant mechanisms: a ceramic-coated separator that melts at 135°C, current-interrupt devices (CIDs) that break circuits at 1,500kPa internal pressure, and positive temperature coefficient (PTC) materials that increase resistance during overheating. These features allow the battery to pass nail penetration tests without ignition, making it one of the safest options for home cleaning devices.
“The BRR-2P4S-5200S represents a leap in consumer-grade vacuum batteries. Its use of automotive-grade NMC811 cells typically seen in EVs allows 15C discharge rates – crucial for Roborock’s 4200Pa suction peaks. What’s revolutionary is the integrated self-test circuit that predicts cell imbalance 50 cycles before failure, a feature previously exclusive to industrial UAV batteries.”
— Dr. Lin Wei, Power Systems Engineer, EVE Energy Co.
FAQ
- Does this battery work with Roborock S7 MaxV?
- No. The S7 MaxV uses a higher-voltage BRR-3P6S-7500 battery. Attempting installation may damage both the vacuum and battery.
- How to calibrate the battery after replacement?
- Fully discharge until the vacuum shuts down, then charge uninterrupted for 6 hours. Repeat monthly to maintain accurate charge reporting.
- Is wireless charging supported?
- Yes. The battery maintains Qi 1.2 compatibility at 10W maximum, though wired charging remains 25% faster.