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18650 36V 40.8Ah Li-ion Battery for Smart Robotics

Battery for Smart Robotics delivers 36V 40.8Ah power, RS485 communication, -20~60℃ operation, and multi-layer protection—ideal for home, medical, hotel, restaurant, and educational service robots.

  • Nominal Voltage:36V
  • Rated Capacity:40.8AH
  • Dimension:471*114*71mm
  • Charge Voltage:42V
  • Charge Current:≤20A
  • Discharge current:≤20A
  • Discharge cut-off Voltage:27V
  • Weight:7kg
  • Operating Temperature:-20~60℃

Battery for Smart Robotics: 18650 36V 40.8Ah Li-ion Battery with RS485 for Service Robot Fleets

Product Introduction

Engineered as a Battery for Smart Robotics, this 18650 lithium-ion solution is purpose-built for the dynamic demands of service robotic systems. Featuring 36V nominal voltage, 40.8Ah capacity, and integrated RS485 communication, this Smart Robotics Li-ion Battery combines high energy density with real-time data transmission capabilities. Unlike standard batteries, it supports -20~60℃ wide-temperature discharge, 20A continuous current for robotic agility, and comprehensive safety protections—making it the reliable power source for home service robots, medical assistance bots, hotel concierge machines, restaurant automation systems, and educational programming robots.

Technical Specifications

Table: Battery for Smart Robotics Core Parameters

Parameter Details
Cell Type 18650 (3350mAh 3.6V)
Nominal Voltage 36V
Rated Capacity 40.8Ah
Charging Voltage 42V
Charging Current ≤20A
Discharge Current ≤20A (Continuous)
Discharge Cut-off Voltage 27V
Weight 7Kg (7000g)
Dimensions (L×W×H) 471mm×114mm×71mm (Max)
Operating Temperature Charging: 0~45℃; Discharging: -20~60℃
Storage Temperature -20~35℃
Communication RS485 (For Fleet Monitoring)
Protection Features Short Circuit, Overcharge, Over-discharge, Overcurrent, Over Temperature, ESD Protection
Casing Blue PVC Heat Shrink Film
Application Home Service Robots, Medical Service Robots, Hotel Service Robots, Restaurant Bots, Educational Service Robots

Core Advantages of Battery for Smart Robotics

1. RS485-Driven Smart Fleet Management

“The Battery for Smart Robotics integrates advanced RS485 communication:
  • Transmits real-time data on voltage, current, temperature, and capacity to robotic control systems. Hotel managers can monitor 50+ concierge robots simultaneously, while medical facilities track battery health of patient-assist bots to ensure uninterrupted care.
  • Supports custom protocols for niche smart robot brands, enabling seamless integration with AI-driven service workflows (e.g., voice-controlled home robots or curriculum-linked educational bots).”

2. High Energy Density for All-Day Service Operations

“Leverages 18650 cell architecture:
  • Delivers 40.8Ah capacity in a compact 471mm×114mm×71mm form factor, powering home service robots through 12-hour cleaning cycles or restaurant bots through peak dining hours without mid-shift recharging.
  • 20A continuous discharge sustains simultaneous operation of robotic arms, navigation sensors, and touchscreen interfaces—critical for hotel robots delivering amenities or medical bots assisting with patient mobility.”

3. -20~60℃ Wide Temperature Adaptability

“Engineered for diverse service environments:
  • Powers medical service robots in hospital freezers (-20℃) and restaurant bots in commercial kitchens (60℃), ensuring consistent performance regardless of climate.
  • Maintains stable 36V output in temperature extremes, enabling educational robots to run coding workshops or home bots to operate in unheated garages.”

4. Multi-Layer Protection for Human-Robot Interaction

“Comprehensive lithium-ion safeguards:
  • Short circuit, overcharge, and ESD protections eliminate hazards in customer-facing scenarios (e.g., hotel lobbies or home living rooms).
  • Over-temperature protection automatically shuts down the battery in overheating conditions, protecting both the robot and its human users.”

5. Long Cycle Life for Sustainable Service Deployments

“Designed for longevity:
  • Withstands ≥1000 charge-discharge cycles while maintaining 80% capacity, reducing battery replacement costs for service robot fleets by 50% over 3 years.
  • Aligns with environmental sustainability goals for businesses deploying smart robotics in hospitality, healthcare, and education.”

Application Scenarios

1. Home Service Robots

Domestic Automation: The Battery for Smart Robotics powers vacuum bots, lawn mowers, and companion robots. RS485 communication lets homeowners track battery status via smart home hubs, while -20℃ operation enables outdoor tasks like snow removal.”

2. Medical Service Robots

Patient Care & Supply Transport: Energizes robots delivering medications, assisting with mobility, and sterilizing equipment. 40.8Ah capacity supports 10-hour hospital shifts, and multi-layer protection ensures safety in clinical environments.”

3. Hotel & Restaurant Service Robots

Hospitality & Food Service: Supplies energy for concierge bots, luggage transporters, and meal-delivery machines. 20A discharge handles peak-load tasks like elevator navigation (hotel bots) or tray lifting (restaurant bots), while RS485 integrates with venue management systems.”

4. Educational Service Robots

STEM Learning & Coding Workshops: Powers programming robots and lab automation devices. Long cycle life supports multi-day robotics camps, and -20~60℃ operation works in both classroom and outdoor demo environments.”
Battery for Smart Robotics

FAQ

Q1: What applications are lithium batteries for service robots designed for?

A: Lithium batteries for service robots are commonly used in hotel service robots, restaurant delivery robots, reception and guidance robots, retail service robots, and other mobile service automation platforms. Battery selection should be based on the robot’s voltage, required runtime, continuous and peak load, available installation space, charging method, and communication requirements.

A: Start with the robot’s nominal voltage, required capacity, continuous and peak current, target runtime, battery compartment dimensions, weight limit, charging current, connector type, and communication interface. Output power and capacity should be matched to the robot’s real duty cycle rather than selected from voltage or ampere-hours alone.

A: Yes. FEBATT can develop custom lithium battery packs for service robot projects, including voltage, capacity, dimensions, housing, connector type, BMS settings, charging parameters, and communication interfaces. This is useful when a robot has a proprietary battery compartment, non-standard power requirements, or specific integration requirements.

A: Cycle life varies with cell chemistry, depth of discharge, charge and discharge rate, operating temperature, and duty cycle. As a published reference, one FEBATT 25.6V 60Ah service robot battery is rated for 2,000+ cycles. The cycle-life rating for each service robot battery should be confirmed from the specifications of the selected model and its test conditions.

A: The Battery Management System (BMS) monitors key battery conditions such as voltage, current, and temperature and can provide protection against overcharge, over-discharge, overcurrent, short circuit, and abnormal temperature conditions. Depending on the configuration, the BMS may also provide state-of-charge information, fault data, cell balancing, and communication with the robot controller.

A: Yes, when the battery is engineered for the robot’s load profile. Service robots can experience short power peaks during startup, acceleration, lifting, turning, or operation of actuators and accessories. The battery cells, BMS, wiring, and connectors must therefore be selected to support both the required continuous current and short-duration peak current without excessive voltage drop or unintended protection shutdown.

A: Service robot lithium batteries can be configured with communication interfaces such as CAN or RS485, depending on the project. These interfaces allow the robot controller to access battery information such as state of charge, voltage, current, temperature, and fault status. FEBATT’s published service robot battery configurations include CAN and RS485 examples, but the required protocol and message format should be confirmed during integration.

A: Temperature affects available capacity, charging behavior, internal resistance, and battery aging. FEBATT’s published service robot references include selected configurations with operating ranges down to -20°C and up to 60°C, while another 25.6V 60Ah service robot battery is specified at -15°C to 60°C. Actual charge and discharge temperature limits are model-specific and should be confirmed for the robot’s operating environment.

A: Charging strategy should be matched to the battery design and the robot’s operating schedule. Charge current, charger voltage, allowable charging window, duty cycle, and whether the robot charges between tasks all affect practical uptime. For reference, FEBATT’s published 48V 45Ah service robot battery configuration specifies a 21A (0.5C) charge current. This is an example rather than a universal charging rate for all service robot batteries.

A: LiFePO4 and other rechargeable lithium-ion chemistries can both be used in service robots. LiFePO4 is often selected when long cycle life and thermal stability are priorities, while other lithium-ion chemistries can be useful when energy density, compact size, or lower weight is more important. The best chemistry depends on the robot’s runtime target, space and weight limits, load profile, charging strategy, and operating environment.

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