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Custom 48V Lithium Battery Manufacturer
In medium-to-high power industrial and power-driven equipment, 48V is commonly used as a core power platform to support higher loads, longer runtime, and more complex operating environments. As electrification and automation advance, higher requirements are placed on continuous output capability and system stability.
LARGE specializes in custom 48V lithium battery development, providing integrated solutions from cell matching and structural design to BMS system integration. Each system is engineered based on load characteristics and operating environments to ensure stable and reliable performance under high load, frequent start-stop, and wide temperature conditions.
48V Lithium Battery Engineering Capabilities
LARGE provides full-process services from concept to mass production:
- Load profile matching (continuous/peak current, startup surge)
- Mechanical design (anti-vibration, waterproofing, thermal dissipation or heating)
- Smart BMS development (communication protocols, protection thresholds, balancing strategy)
- Prototyping, validation testing, and mass production delivery
- Certification support (UL / CE / CB / UN38.3, etc.)
- Reliability testing (vibration, thermal cycling, and safety validation)
Technical Specifications
| Nominal Voltage | 48V / 51.2V |
| Capacity Range | 2Ah – 100Ah |
| Charge Voltage | 54.6V / 58.4V |
| Discharge Cut-off | 40.0V – 44.V (configurable) |
| Series Configuration | 13S / 16S |
| Discharge Rate | 0.2C – 5C |
| Cycle Life | 500 – 1500 cycles |
| Operating Temperature | -20°C ~ 60°C (standard) |
Note: Specifications may vary depending on application requirements and system configuration.
48V Lithium ion Battery Pack
Selected case references, customizable for different application scenarios.
48V Lithium ion Battery Applications
Robotics & Automation
Service robots, delivery robots, AGV, AMR
Continuous power | Frequent start-stop capability | Long-term stable operation
Outdoor & Commercial Tools
Electric outboard motors, lawn mowers, mobile lighting systems
Waterproof & dustproof | Wide temperature adaptability | Portable design
Industrial & Logistics Equipment
Electric forklifts, tow tractors, stackers, aerial work platforms
High load capacity | Shock and vibration resistance | All-day operation
Cleaning & Floor Care Equipment
Industrial scrubbers, sweepers, high-pressure cleaning systems
High discharge rate | Long continuous operation | Rugged protection design
Unmanned Systems & Inspection Equipment
Inspection robots, unmanned transport vehicles, mobile work platforms
Smart control | Long runtime | Vibration-resistant design
Energy Storage & Backup Power
Industrial backup systems, small-scale energy storage, telecom base stations
Stable output | Long cycle life | Reliable continuous supply
Looking for the right battery solution for your equipment?
48V Lithium ion Battery Application Case
48V 100Ah LiFePO4 Battery for Firefighting Robot
Project Background
A special equipment manufacturer developed a firefighting robot for fire detection and initial suppression in complex environments. The system must operate reliably under high temperature, smoke, and uneven terrain, requiring high safety, stability, and endurance from the battery.
Challenges
- Operation under high temperature and harsh environments
- High instantaneous power demand during firefighting tasks
- Frequent load changes and dynamic operation
- Strict requirements on safety and thermal stability
- Limited internal space requiring compact structural design
Solution
- Customized 48V 100Ah LiFePO4 battery system for enhanced safety and cycle life
- High-consistency cells for stable continuous discharge
- Integrated high-reliability BMS with multi-level protection (over-temperature, overcurrent, short circuit)
- Optimized structure for vibration resistance and space efficiency
- Enhanced thermal management for high-temperature operation
Results
- Supports long-duration inspection and firefighting operations
- Significantly improved stability under high-load conditions
- Runtime extended to 8–10 hours per charge
- Temperature rise maintained within safe limits, improving overall system reliability
48V Lithium ion Battery Safety Design
48V lithium batteries are widely used in industrial and power systems, where safety directly impacts operational stability and service life. LARGE implements a multi-layer safety architecture covering electrical, structural, thermal, and manufacturing aspects.
Electrical Safety
Multi-level BMS protection including overcharge, over-discharge, overcurrent, short circuit, and temperature protection
Individual cell monitoring with balancing control to prevent cell-level abnormalities
Structural Safety
High-strength enclosures (metal or flame-retardant engineering plastics)
Internal insulation and vibration-damping structure for secure cell fixation
Anti-reverse connection terminal design
Overall protection rating up to IP54 or higher
Thermal Management Safety
Configurable heat sinks, thermal interface materials, or active cooling systems
Optional heating design for safe low-temperature charging and operation
Certification & Compliance
Supports UL, IEC 62133, UN38.3, CE, RoHS, and other global standards for market access and transportation compliance
Manufacturing Process Safety
Automated laser welding to reduce risks of poor joints and short circuits
Full aging test and comprehensive performance inspection before delivery
Related Lithium Battery Voltages
48V Lithium ion Battery FAQs
Can 48V lithium batteries be customized?
Yes, they can be customized in capacity, structure, discharge rate, BMS functions, and communication protocols based on application needs.
How is thermal management handled in 48V lithium batteries?
Thermal management is controlled through BMS monitoring, temperature sensors, and optional cooling or heating designs to prevent overheating and ensure safe operation.
Can you convert a 48V golf cart to lithium battery?
Yes, most 48V golf carts can be upgraded to lithium batteries, but the BMS, charger, and discharge compatibility must be properly matched.
How long does a 48V lithium battery last?
Typically 500–1500 cycles depending on chemistry and usage, which equals about 3–8 years in normal industrial applications.
How many cells are in a 48V lithium battery?
Usually 13S for NMC/NCA (48V nominal) or 16S for LiFePO4 (51.2V nominal), depending on battery chemistry.
How much is a 48V lithium battery?
The price varies based on capacity, BMS, and customization requirements. Higher capacity and industrial-grade systems cost significantly more.
How to jump start a 48V lithium battery?
Lithium batteries should not be jump-started like lead-acid systems. If protection is triggered, the BMS must be reset or reactivated safely.
Get Your Custom Lithium Battery Solution
We provide integrated support from engineering design to mass production.


