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Golf Cart LiFePO4 Battery Projects

Explore 36V and 48V golf cart LiFePO4 battery projects for lead-acid replacement, utility vehicles and commercial fleets.

Each battery configuration is reviewed against the vehicle voltage, motor power, controller current, required driving range, battery compartment, charger and electrical connections before sample development or production.

Golf cart lead-acid battery replaced with a LiFePO4 battery system
LiFePO4 battery installation for a golf cart lead-acid conversion.

Golf Cart Lead-Acid to Lithium Conversion

A golf cart lithium conversion requires more than matching the original battery-bank voltage. The motor, controller, charger, cables, connectors, mounting structure and state-of-charge display must also work with the replacement battery.

The conversion review should include:

  • Original lead-acid battery models and connection arrangement
  • 36V or 48V vehicle electrical system
  • Motor rated power
  • Controller continuous and peak current
  • Required driving range
  • Battery-compartment dimensions
  • Main cables, connectors and fuse protection
  • Charger voltage, current and charging profile
  • State-of-charge display or communication requirements
  • Vehicle load, terrain and operating temperature

The original lead-acid charger should only be retained when its charging voltage, current and control profile are confirmed as compatible with the approved LiFePO4 battery.

View Lead-Acid Replacement Battery Solutions →

36V Golf Cart LiFePO4 Battery Reference

The following specification is an engineering reference for a standard 36V golf cart conversion. It should not be presented as measured data from the installation shown in the photographs.

Nominal Battery Voltage 38.4V
Rated Capacity 100Ah
Nominal Energy 3840Wh
BMS Rating 100A
Continuous Discharge Current 100A
Peak Discharge Current Up to 600A for 1 second
Reference Motor Power Up to approximately 3000W, subject to controller and startup current
Controller Requirement Continuous and peak current must remain within the approved BMS limits
Matched Charger 43.8V 25A LiFePO4 charger
Reference Charging Time Approximately 4 hours from empty under ideal conditions
Reference Driving Range Up to approximately 35 miles under suitable operating conditions

This 36V configuration can replace a conventional bank of six 6V lead-acid batteries when the vehicle voltage, controller, charger and installation dimensions are compatible.

A single integrated battery reduces inter-battery cables and connection points. The existing battery tray may still require a mounting frame or hold-down brackets.

36V Motor and Controller Compatibility

A 38.4V battery supplying 100A can provide a theoretical electrical output of 3840W. For vehicle applications, the reference continuous motor load is limited to approximately 3000W to allow for controller losses, acceleration and operating margin.

The motor controller must be checked for:

  • Nominal operating voltage
  • Maximum input voltage
  • Continuous battery current
  • Peak acceleration current
  • Peak-current duration
  • Regenerative-braking current
  • Low-voltage cutoff settings

A controller displaying a high peak-current rating is not automatically compatible. The duration of the current must also remain within the battery and BMS limits.

48V Golf Cart LiFePO4 Battery Reference

The following reference configuration is intended for 48V golf carts and utility vehicles requiring greater power for acceleration, hills, passenger loads or commercial operation.

Nominal Battery Voltage 51.2V
Rated Capacity 100Ah
Nominal Energy 5120Wh
BMS Rating 200A protection platform; operating limits depend on the approved model
Continuous Discharge Current 100A
Short-Duration Discharge Current Up to 200A for 2 minutes
Peak Discharge Current Up to 600A for 1 second
Maximum Continuous Output Approximately 5120W
Reference Motor Power Up to approximately 5000W, subject to controller and startup-current validation
Matched Charger 58.4V 18A LiFePO4 charger
Reference Charging Time Approximately 5.5 hours from empty under ideal conditions
Reference Driving Range Approximately 40–50 miles under suitable operating conditions

The 48V reference can replace a conventional bank of six 8V lead-acid batteries when the vehicle and charging system are compatible.

48V golf cart LiFePO4 battery installed in an existing battery compartment
LiFePO4 battery installed in a golf cart battery compartment.

48V Motor and Controller Compatibility

The reference 51.2V battery supports 100A continuously, up to 200A for two minutes and up to 600A for one second. These current limits must be compared with the controller’s battery-current demand rather than only its phase-current rating.

A 5kW motor does not continuously draw exactly 5kW in normal driving. Current changes with acceleration, vehicle weight, speed, gradient, tire pressure and controller efficiency.

Before approving a 48V configuration, confirm:

  • Motor rated and peak power
  • Controller battery-current limit
  • Controller phase-current rating
  • Acceleration and hill-climbing current
  • Regenerative-braking current
  • Main contactor and fuse ratings
  • Power cable and connector ratings

Golf Cart Driving Range Estimate

Driving range cannot be calculated accurately from battery capacity alone. It also depends on vehicle energy consumption per mile.

Estimated Range = Usable Battery Energy ÷ Average Vehicle Energy Consumption

Reference System Nominal Energy Published Reference Range Approximate Energy Use
38.4V 100Ah 3840Wh Up to 35 miles About 110Wh per mile
51.2V 100Ah 5120Wh Approximately 40–50 miles About 102–128Wh per mile

These figures are planning references derived from published battery energy and range claims. They are not measured results from the vehicles shown on this page.

Actual range depends on:

  • Passenger and cargo weight
  • Driving speed and acceleration
  • Flat, hilly or uneven terrain
  • Motor and controller efficiency
  • Tire size, pressure and alignment
  • Accessory loads
  • Battery reserve and state of charge
  • Ambient and battery temperature
  • Battery age and vehicle condition

Golf Cart Charging System

A matched LiFePO4 charger is recommended for a lead-acid-to-lithium conversion. The charging voltage and current must follow the approved battery specification.

  • 36V reference charger: 43.8V, 25A
  • 48V reference charger: 58.4V, 18A
  • CC/CV charging profile
  • Compatible vehicle charging connector
  • Low-temperature charging protection where required
  • No incompatible lead-acid equalization or desulfation mode

Estimated charging time is calculated by dividing battery capacity by charger current. Actual time may be longer because of charger efficiency, battery temperature, connected loads and charge-current tapering.

Custom Battery Enclosure and Installation

The battery enclosure, mounting brackets, cable outlets and connector positions should be configured around the vehicle’s existing battery compartment.

Before production, confirm:

  • Battery-tray length, width and height
  • Available clearance above the battery
  • Mounting and hold-down points
  • Main positive and negative cable positions
  • Charger connector
  • Fuse, contactor and disconnect location
  • Service and inspection access

The battery must remain secure during acceleration, braking and operation on uneven terrain. Power cables should be supported and protected from sharp edges, heat and moving vehicle components.

Smart BMS and Battery Monitoring

The BMS is selected according to the battery voltage, capacity, controller current, motor load, charging system and operating temperature.

Available options can include:

  • Overcharge and over-discharge protection
  • Continuous and peak-current protection
  • Short-circuit protection
  • High- and low-temperature protection
  • Cell-voltage monitoring and balancing
  • Bluetooth battery monitoring
  • RS485 dashboard display
  • CAN communication where required
  • State-of-charge reporting

Bluetooth, CAN and RS485 are available options rather than standard features on every battery. Compatibility must be confirmed against the selected BMS, display, controller and communication protocol.

Sample Testing and Vehicle Validation

A sample battery should be tested against the approved vehicle and electrical specification before volume production.

  • Capacity and energy testing
  • Continuous discharge-current testing
  • Short-duration and peak-current verification
  • BMS protection testing
  • Charger compatibility testing
  • Motor-controller operating checks
  • Acceleration and hill-start testing
  • Regenerative-braking verification where applicable
  • Battery temperature under representative loads
  • Connector, cable and fuse inspection
  • State-of-charge display and communication testing
  • Vehicle range testing under defined conditions
Golf cart LiFePO4 battery BMS current and communication testing
BMS protection and communication testing for a custom golf cart battery.

View LiFePO4 Battery Manufacturing →

OEM Golf Cart Lithium Battery Manufacturing

We support golf cart manufacturers, vehicle converters, distributors and fleet operators with custom LiFePO4 battery development and production.

OEM and ODM options include:

  • Custom 36V and 48V battery configurations
  • Custom battery capacity
  • Application-specific continuous and peak current
  • Custom steel or plastic enclosures
  • Mounting brackets and hold-down systems
  • Custom cables, terminals and connectors
  • Matched LiFePO4 battery chargers
  • Bluetooth, CAN and RS485 options
  • State-of-charge displays
  • Private labels and packaging
  • Sample validation and volume production

View OEM & ODM Battery Services →

Golf Cart LiFePO4 Battery FAQ

Can a lead-acid golf cart be converted to LiFePO4?

Yes. The vehicle voltage, motor, controller, charger, cables, connectors, battery tray and state-of-charge display must be checked before conversion.

Should I choose a 36V or 48V golf cart battery?

The replacement battery must match the vehicle electrical system. A 36V vehicle normally uses a 38.4V LiFePO4 battery, while a 48V vehicle normally uses a 51.2V LiFePO4 battery.

Is 100Ah enough for a golf cart?

A 100Ah battery is suitable for many golf carts, but the required capacity depends on driving range, motor power, vehicle load, terrain, speed and available installation space.

Can a 48V 100Ah battery support a 5kW motor?

It may support a 5kW motor when the controller’s continuous, short-duration and peak battery currents remain within the approved battery and BMS limits. The complete vehicle specification must be checked before approval.

How far can a 100Ah lithium golf cart battery travel?

Published reference figures are approximately 35 miles for a 38.4V 100Ah configuration and approximately 40–50 miles for a 51.2V 100Ah configuration. Actual range varies with the vehicle and operating conditions.

Can the existing lead-acid charger be retained?

Only when its voltage, current and charging profile are confirmed as compatible. A matched LiFePO4 charger is generally recommended.

Can the enclosure and connectors be customized?

Yes. Enclosure dimensions, mounting brackets, terminals, cables, connectors and charging interfaces can be developed for qualified OEM projects.

Start Your Golf Cart Battery Project

Send us the golf cart model, original lead-acid battery configuration, system voltage, required capacity, motor power, controller continuous and peak current, battery-compartment dimensions, charger information, required driving range and estimated order quantity.

Our engineering team will review the vehicle requirements and recommend a suitable 36V or 48V golf cart LiFePO4 battery configuration.

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