Custom Lithium Battery Solutions for Indoor AMR Mobile Chassis

1. Introduction

As factories and warehouses accelerate toward Industry 4.0, Autonomous Mobile Robots (AMRs) have become the core of intelligent intralogistics.
Whether used for material transport, picking, or automated production flows, AMRs rely heavily on high-performance lithium battery systems that ensure long runtime, rapid charging, and long-term safety.

Indoor AMR mobile chassis—such as small-to-medium load AGVs, shelf-moving robots, and autonomous towing platforms—demand energy solutions that are robust, intelligent,
and optimized for continuous 24/7 operation. Compared with traditional lead-acid batteries,
custom LiFePO4 battery packs and high-energy NCM packs greatly improve energy density, safety, and service life for these platforms.

As a lithium battery manufacturer with 26 years of experience, PKNERGY provides fully customized Li-ion,
LiPo battery packs, and LiFePO4 battery solutions designed specifically for AMR manufacturers, system integrators, project managers, and R&D engineers.

2. Application Background — Power Requirements of Indoor AMR Mobile Chassis

Indoor AMR robots differ significantly from consumer robots or short-duty industrial tools. Their energy system must support continuous working cycles, frequent start–stop operations,
and stable power for motors and onboard electronics in complex indoor environments.

2.1 Continuous Operation with Minimal Downtime

Indoor AMRs often work in:

• Three-shift factories
• 24/7 warehouse operations
• E-commerce fulfillment centers

This requires batteries that support:

• Long cycle life
• High efficiency
• Fast or opportunity charging
• Stable output for motors, sensors, SLAM, and computing units

2.2 High Power Output for Mobility Systems

Typical indoor AMR chassis include:

• Direct-drive brushless motors
• Steering modules
• Lifting mechanisms
• Onboard computing and navigation systems

The battery pack must provide high discharge current, low internal resistance, and a stable voltage platform to ensure smooth acceleration, precise braking, and safe load handling.

2.3 Compact Size and Lightweight Structure

Indoor AMRs are often designed for small form factors:

• Narrow aisles
• Low-clearance spaces
• Load requirements that limit system weight

Lithium batteries significantly outperform lead-acid and NiMH due to their high gravimetric and volumetric energy densities. Slim
stacked and ultra-thin cells can also be adapted for very low-profile chassis designs.

2.4 Safety and Reliability in Indoor Environments

AMRs work around people, shelves, and production lines. Their batteries must ensure:

• Overcharge / overdischarge protection
• Over-temperature protection
• Short-circuit prevention
• Thermal stability
• Compliance with CE / UN38.3 / IEC standards

2.5 Battery Life and Maintenance Cost

OEMs and end-users typically expect:

• >2,000 cycles for LiFePO4
• >800–1,500 cycles for high-energy Li-ion
• Low failure rate
• Intelligent monitoring via BMS

Long cycle life combined with low failure rate significantly reduces the Total Cost of Ownership (TCO) for AMR fleets and improves ROI for
AGV and AMR power solutions.

3. PKNERGY-Based Battery Solution for Indoor AMR Robots

PKNERGY designs battery packs specifically optimized for indoor AMR platforms, balancing power, endurance, safety, and charging performance.
Each pack is customized according to the robot’s mechanical design, load profile, and control system.

3.1 Battery Chemistry Options

We provide multiple cell chemistries tailored to different AMR chassis types:

LiFePO4 (LFP) — Best for Reliability & Cycle Life

• 2000–4000 cycles
• Stable voltage platform
• High thermal safety
• Suitable for heavy-duty AMRs and 24/7 operation

NCM Li-ion — Best for High Energy Density

• More compact size
• Up to 3× energy density of LFP
• Ideal for small agile robots requiring long runtime

LiPo — For Slim or Custom-Shaped Chassis

• Ultra-flexible form factor
• Lightweight
• Excellent discharge performance for dynamic motion

3.2 Custom Voltage & Capacity Configurations

AMR systems typically operate on:

• 24 V (7S / 8S)
• 36 V (10S)
• 48 V (13S / 15S)

PKNERGY supports:

• 8S–15S custom packs
• 10 Ah–120 Ah capacity range
• Continuous discharge 1C–5C depending on motor requirements
• Peak discharge up to 10C for acceleration and lifting

3.3 Smart BMS with CAN / RS485 / UART Communication

Our BMS allows seamless integration with AMR control systems:

• CAN bus for real-time data communication
• SOC / SOH monitoring
• Current / voltage / temperature protection
• Active/passive balancing and fault reporting
• Support for fleet management platforms

Optional features:

• Bluetooth monitoring via app
• Heating film for low-temperature operation
• GPS / Wi-Fi modules for asset tracking

3.4 Fast Charging & Opportunity Charging Compatibility

PKNERGY batteries support:

• Up to 1C fast charging
• Opportunistic charging during brief docking stops
• 2–3 hour full charge cycles (typical)

This ensures minimal downtime and continuous operation during multiple shifts, especially when combined with
mobile robot power solutions.

3.5 Robust Structural and Safety Engineering

Each battery is designed for:

• Vibration-resistant structure
• Fire-resistant casing
• IP54–IP67 enclosure options
• Anti-collision shock protection
• Optional metal or ABS housings

We also offer:

• Customized battery trays and mounting brackets
• Magnetic docking interfaces
• High-current connectors for quick replacement

3.6 Certification and Compliance

PKNERGY battery packs can be designed to meet:

• UN38.3
• MSDS
• CE
• IEC62133
• UL-standard cell sourcing

This makes our AMR batteries suitable for global shipment and mass production projects.

Feature Snapshot: PKNERGY Indoor AMR Battery Packs

4. Technical Advantages of PKNERGY for AMR Manufacturers

4.1 26 Years of Process-Controlled Manufacturing

We ensure:

• Cell pairing with <3 mV difference
• Strict aging and cycling test processes
• 100% inspection of voltage, internal resistance, and safety functions

This guarantees consistency in every batch—critical for AMR robot fleets with large-scale deployment.

4.2 Deep Experience in Industrial and Robotics Batteries

We have supplied battery solutions to:

• Industrial AGVs
• Patrol robots
• Warehouse AMRs
• Indoor SLAM robots
• Service robots

This experience enables PKNERGY to understand torque load profiles, duty cycle characteristics, and peak current demands of AMR motors.

4.3 OEM / ODM Support

Full customization options include:

• Mechanical design (pack size, structure, fixing points)
• BMS programming and communication protocol matching
• Harness and connector design
• Logo, label, and outer packaging
• Samples within 7–15 days (typical)

4.4 High Safety & Low Failure Rate

Our industrial-grade designs ensure:

• <0.01% failure rate (targeted design)
• Multi-level protections at cell, BMS, and system levels
• High-quality A-grade cells only

4.5 Cost-Effective Mass Production

PKNERGY supports large-scale AMR clients with:

• Stable supply chain and long-term raw material partners
• 18 years of export experience
• Competitive pricing for mass production
• Fast delivery for repeat batches

5. Typical Indoor AMR Application Cases

5.1 Shelf-Carrying AMRs for Warehouses

Demand:

• Long runtime for continuous picking
• High-power output for lifting units
• Accurate SOC reporting for fleet scheduling

PKNERGY Solution:

• 48 V 40 Ah LiFePO4 pack
• 100 A continuous BMS with CAN communication
• Fast charging support for short docking cycles

5.2 Line-Following Material Transport Robots

Demand:

• Long cycle life under repetitive routes
• Stable voltage for motor drivers and controllers

PKNERGY Solution:

• 24 V 60 Ah NCM Li-ion pack
• IP54-rated sealed pack structure
• Optimized internal resistance for high efficiency

5.3 Indoor Autonomous Towing Vehicles

Demand:

• High peak current for towing startup
• Strong vibration resistance during movement

PKNERGY Solution:

• 36 V 50 Ah LiFePO4 pack
• 10C peak discharge capability
• Metal casing with anti-vibration design

6. Why AMR Manufacturers Choose PKNERGY

• ✔ 26 years of battery manufacturing experience
• ✔ 18 years of export experience
• ✔ Strong R&D team for OEM / ODM customization
• ✔ CAN / RS485 / SMBus intelligent BMS solutions
• ✔ A-grade LiFePO4 and NCM cells only
• ✔ Fast sample time, stable lead time
• ✔ Excellent cost-performance ratio

PKNERGY is not just a battery supplier—we are your engineering partner for AMR robot power systems.
For more information about our company and capabilities, please visit
About PKNERGY or check our
FAQ.

7. FAQ: Indoor AMR Mobile Chassis Batteries