The EVE 12800mAh battery pack is designed as a direct replacement for Xiaomi ecosystem robot vacuums including Lydsto R1, Roidmi Eve Plus, and Viomi S9 models. This high-capacity lithium-ion battery provides extended runtime (up to 180 minutes) while maintaining perfect compatibility with original charging docks and vacuum firmware systems.
Differences Between Eve and Other Brands
Which Robot Vacuum Models Are Compatible With the EVE 12800mAh Battery?
The battery is specifically engineered for Xiaomi’s OEM partners: Lydsto R1 (2020-2023 models), Roidmi Eve Plus (all variants), Viomi S9 Pro/S9 Max, and Xiaomi Mi Robot 1S. Physical dimensions (150mm x 80mm x 25mm) match original specifications, with identical 4-pin Gold-plated connectors and voltage regulation circuitry for safe integration.
| Vacuum Model | Release Year | Battery Compartment Size |
|---|---|---|
| Lydsto R1 | 2020-2023 | 152mm x 82mm x 27mm |
| Viomi S9 Pro | 2021 | 150mm x 80mm x 25mm |
| Xiaomi Mi Robot 1S | 2019 | 151mm x 81mm x 26mm |
How Does the 12800mAh Capacity Compare to Original Batteries?
Standard OEM batteries range from 5200mAh to 8000mAh. The EVE battery’s 12800mAh capacity offers 58% more energy density through advanced 21700 lithium cells. Real-world testing shows 210-240 minutes of continuous cleaning vs. 120-150 minutes from factory batteries, with optimized discharge curves to protect vacuum motors from voltage drops.
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What Safety Features Does This Replacement Battery Include?
Built-in protections include: 1) Multi-layer PCB with overcharge/overdischarge cutoff 2) Temperature sensors at cell level 3) Short-circuit resilience up to 15A 4) UL-certified flame-retardant casing 5) Balanced charging technology across 4 cell groups. The battery maintains communication with vacuum’s BMS through original protocol chips.
The multi-stage temperature monitoring system uses three NTC sensors positioned between cells to detect thermal anomalies within 0.5°C accuracy. During fast charging cycles, the battery’s balancing technology redistributes energy at 500mA intervals to prevent cell drift. Impact-resistant casing undergoes 12-point stress testing, including 1.5m drop tests and 50kg compression trials to ensure durability against accidental collisions during vacuum operation.
How Does Temperature Affect Robot Vacuum Battery Performance?
Optimal operation range is 10-40°C. Below 5°C, capacity drops 25%; above 45°C, risk of BMS shutdown increases. The EVE battery includes phase-change material (PCM) layers to absorb heat during 15W+ discharge. For cold climates, enable “Winter Mode” in vacuum settings to pre-warm cells using charging current.
In sub-zero environments, the battery management system automatically reduces maximum discharge current by 40% to prevent lithium plating. Users in tropical climates should avoid direct sunlight exposure – sustained operation above 35°C triggers automatic cooling cycles where the vacuum pauses cleaning to lower battery temperature through passive convection. The PCM layer can absorb 120J/g of thermal energy during peak operation, equivalent to dissipating heat from 15 minutes of continuous mopping.
“Modern robot vacuums demand batteries that balance energy density with smart communication capabilities. The EVE 12800mAh unit stands out by implementing dual-chip protection – one managing cell balancing and another handling vacuum communication. This dual-layer safety approach prevents the common issue of firmware incompatibility seen in third-party batteries.”
– Dr. Lin Wei, Battery Systems Engineer, Xiaomi Ecosystem Partner
FAQs
- Does this battery void Xiaomi’s warranty?
- When installed by authorized technicians, EVE batteries maintain warranty coverage. Independent installation may void motor/drive system warranties.
- How long does full charging take?
- Charging time ranges from 4.5 hours (0-100%) using original dock to 3 hours with quick charge adapters (sold separately).
- Can I use this battery in non-Xiaomi vacuums?
- While physically compatible with some 4-pin robots, the communication protocol is Xiaomi-specific. Use only in approved models to prevent damage.