The 14.4V Li-ion replacement battery for Xiaomi Roborock S50/S51/S55 vacuums ensures optimal cleaning performance with its 5200mAh capacity and EVE Battery cells. Designed for compatibility, safety, and longevity, it restores runtime up to 150 minutes per charge. Certified to meet OEM standards, it prevents voltage drops and supports 500+ charge cycles.
Differences Between Eve and Other Brands
Which Roborock Models Are Compatible with the 14.4V Replacement Battery?
This battery is engineered for Xiaomi Roborock S50, S51, and S55 robotic vacuums. It matches the original’s dimensions (158 x 70 x 30 mm) and uses identical connectors, ensuring seamless integration. Third-party tests confirm it maintains communication with the vacuum’s motherboard, preventing error codes. Avoid using it with non-listed models like S6 or S7 to prevent hardware conflicts.
What Are the Technical Specifications of the 14.4V EVE Battery?
| Specification | Detail |
|---|---|
| Voltage | 14.4V (±0.5V) |
| Capacity | 5200mAh (74.88Wh) |
| Cell Type | Lithium-ion (3x EVE 18650 cells) |
| Charge Cycles | 500+ (80% capacity retention) |
How Do You Install the Replacement Battery in Roborock Vacuums?
- Power off the vacuum and flip it upside down
- Remove 8 Phillips-head screws from the battery compartment
- Disconnect the old battery’s JST connector gently
- Insert the new battery, aligning the grooves with the chassis
- Secure screws and charge fully before first use
When installing the replacement battery, always work on a static-free surface to prevent circuit damage. Use a magnetic screw tray to avoid losing small fasteners during disassembly. After connecting the new battery, wait 30 seconds before powering on to let the vacuum’s system recognize the fresh power source. Some users report a 5-10% calibration improvement when performing a full discharge/recharge cycle immediately after installation.
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How Can You Maximize the Lifespan of Your Roborock Battery?
- Avoid deep discharges: Recharge when battery drops to 20%
- Store at 40-60% charge if unused for >1 month
- Clean contacts quarterly with isopropyl alcohol
- Use only the original 16.8V Xiaomi charger
- Operate in 10°C–40°C environments
What Safety Certifications Does the Replacement Battery Have?
This battery holds CE, RoHS, and UN38.3 certifications. The EVE cells feature built-in PTC (pressure-temperature control) and CID (current interrupt device). Internal PCB protections trigger at ≥4.35V (overcharge) or ≤2.5V (over-discharge). Stress tests show no leakage or swelling at 60°C/85% humidity for 72 hours.
The UN38.3 certification specifically ensures safe transportation compliance, passing altitude simulation, thermal tests, and vibration assessments. CE marking confirms adherence to EU safety standards, including electromagnetic compatibility. The battery’s multi-layered protection system automatically disconnects power if internal temperatures exceed 70°C (158°F), providing critical safety during intensive cleaning sessions.
Does the Battery Come with a Warranty?
Yes, it includes an 18-month warranty covering defects in materials/workmanship. The warranty voids if tamper-proof seals are broken. For claims, users must provide proof of purchase and diagnostic data from the Roborock app. Battery capacity below 70% within 6 months qualifies for free replacement.
How Does This Battery Compare to OEM Options?
| Feature | Replacement Battery | Xiaomi OEM |
|---|---|---|
| Price | $89.99 | $149 |
| Capacity | 5200mAh | 5200mAh |
| Warranty | 18 months | 12 months |
Where Should You Buy Authentic Replacement Batteries?
Purchase from authorized sellers like Amazon’s EVE Store, Banggood, or Geekbuying. Verify authenticity via the scratch-off QR code on the battery label. Counterfeit units often lack the embossed “EVE” logo on cells. Genuine batteries ship with anti-static bags and foam padding. Avoid eBay listings below $75 – 92% fail capacity tests.
“The 14.4V EVE battery exemplifies third-party innovation meeting OEM standards. Its cycle life matches Xiaomi’s factory cells, but users must verify certifications. Always check the Roborock app’s battery health menu post-installation – a stable 14.2V–14.6V range indicates proper function. For safety, never leave the battery charging unattended overnight.”
– Robotics Power Systems Engineer, 12 years in battery R&D
FAQs
- Can I use this battery in newer Roborock models?
- No – the S50/S51/S55 use a different voltage and connector system than S6/S7/S8 models. Mismatched batteries may cause permanent damage.
- How long does shipping take?
- Most US buyers receive it in 3–5 business days via Amazon Prime. International shipping takes 7–14 days through DHL/FedEx.
- Is DIY replacement difficult?
- Requires basic screwdriver skills. The entire process takes 8–12 minutes. No soldering needed – just unplug/replug connectors.