Why the Battery Determines Cleaning Robot Competitiveness

As cleaning robots evolve with stronger suction motors, AI mapping, and multi-mode cleaning, the battery has become the core component shaping user experience and brand reliability.

A cleaning robot is only as powerful as its energy system. Custom battery engineering now defines product performance across:

• Runtime — can the robot complete a full-cycle clean?
• Motor output — high peak current drives suction power & obstacle-climbing.
• Product lifespan — cycle life determines long-term stability.
• Thermal safety — robots operate in confined, warm environments.
• Brand reputation — battery faults can instantly damage user trust.

Generic packs cannot meet the rising demands of modern cleaning robots, making custom lithium solutions essential.

Typical Battery Requirements for Cleaning Robots

🔋 Cell Chemistry Options

• NMC: high energy density for compact robots.
• LFP: long cycle life, high safety, ideal for heavy-duty use.

🔧 Pack Configurations

• 4S / 6S / 7S lithium-ion systems
• 18650 / 21700 cylindrical cells
• 2500–5000 mAh cell capacities
• Pouch or prismatic optional for slim housings

⚡ Discharge Requirements

• Continuous: 10–20A
• Peak: 25–40A for turbo motor loads
• Low internal resistance to prevent voltage sag

🌡 Thermal & Environmental

• Heat accumulation inside housings
• Long-duration motor operation
• High ambient temperature performance

🛡 BMS Functions

• OCP, SCP, OVP, UVP
• Cell balancing
• Temperature sensors
• UART / I2C / CAN communication

▶ Related custom battery service:
Custom Lithium Polymer Battery

▶ High-cycle stability options:
Custom LiFePO4 Battery

Pain Points Commonly Faced by Cleaning Robot Manufacturers

• Runtime falls short of advertised claims.
• Voltage sag causes MCU resets or sudden shutdown.
• Battery overheating inside confined housings.
• Poor performance in cold environments.
• Capacity drops to 70% or below after one year.
• Quality inconsistency due to unstable cell sourcing.

These issues directly impact warranty costs and customer satisfaction.

PKNERGY’s Battery Solutions for Cleaning Robots

PKNERGY has supplied custom cylindrical and prismatic lithium packs worldwide for over 28 years. For cleaning robots, we deliver end-to-end battery development and integration support.

⭐ Multi-Chemistry Cell Options

• High-energy NMC
• Long-life LFP
• Samsung, LG, EVE, CALB & premium domestic high-rate cells

⭐ High-Rate Discharge Performance

• 20A continuous output
• 30A+ turbo peak capability
• Stable voltage under motor load

⭐ Custom BMS Development

• MOS redundancy for safety
• Self-recovery protection
• Multi-point temperature monitoring
• UART / I2C communication

⭐ Structural Customization

• Custom battery housings
• Wire harness & connectors
• Shock absorption & insulation
• Safety fuses & thermal pad integration

⭐ Cycle Life

• NMC: 600–1000 cycles
• LFP: 1500–2000+ cycles

⭐ Safety Testing

• Drop & vibration tests
• Thermal shock & stress testing
• Overcharge / over-discharge endurance
• Optional nail penetration test

▶ Explore more IoT power solutions:
Consumer Electronics Power Solution

Application Examples

A. Compact Home Cleaning Robots

→ 21700 4000mAh, 6S high-rate pack for extended runtime and better thermal control.

B. High-Suction Brushless Motor Robots

→ NMC 7S2P 5000mAh pack supporting 30A+ turbo suction.

C. Hybrid Mop-Vacuum Robots

→ Slim LFP packs for narrow housings, optimized for high daily usage.

FAQ