China Lithium Battery Power(Golf cart) Manufacturers Suppliers Factory - Customized Service

48V & 72V Lithium Battery Power for Golf Carts & Utility Vehicles

This industrial-grade LiFePO4 battery pack replaces legacy lead-acid systems in commercial and residential electric golf carts, resort utility vehicles, and low-speed electric transport. Built with automotive-grade prismatic lithium iron phosphate cells and a programmable dual-core BMS, it delivers stable voltage under heavy torque loads, cuts vehicle weight by up to 60%, and requires zero routine maintenance. Engineered for direct drop-in replacement in standard battery compartments.

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Battery Pack Options

Model Series	Nominal Voltage	Rated Capacity	Continuous Discharge	Peak Discharge (30s)	Compatible Vehicle Types
RTP-GC48-105	48V (51.2V)	105Ah	150A	300A	Standard 4-Seater Golf Carts (Textron, Club Car, Yamaha)
RTP-GC48-160	48V (51.2V)	160Ah	200A	400A	Heavy-Duty Utility & 6-Seater Resort Transporters
RTP-GC72-105	72V (76.8V)	105Ah	200A	400A	High-Performance Lifted Carts & Commercial Shuttles

Key Features

Zero Maintenance Chemistry: Sealed LiFePO4 cells eliminate electrolyte checks, terminal corrosion, and watering routines.

Constant Voltage Output: Maintains stable power delivery above 48V down to 10% state-of-charge, preventing the sluggish acceleration typical of dying lead-acid packs.

High-Rate Discharge Capability: Supports 2C peak discharge loads required for rapid hill climbing and heavy passenger loads without thermal trips.

Rapid Charging Profile: Accepts 0.5C to 1C charging current, restoring a 105Ah pack from 20% to 100% capacity within 2 to 3 hours using matched CAN-communicating chargers.

Integrated Safety Interlocks: Hardware-level protection against short circuits, cell over-voltage, under-voltage, high internal temperature, and low-temperature charge blocking.

Technical Specifications

Parameter	Specification
Cell Chemistry	Lithium Iron Phosphate (LiFePO₄) Prismatic Cells
Cycle Life	≥ 4,000 Cycles at 80% Depth of Discharge (25°C, 0.5C Charge/Discharge)
BMS Architecture	Dual-Core Processor with Hardware Redundancy; Supports CAN Bus 2.0B and RS485 Telemetry Protocols
Enclosure Material	2.0mm Powder-Coated Structural Carbon Steel / IP67 Waterproof Sealed Housing
Operating Temperature – Charging	0°C to 55°C
Operating Temperature – Discharging	-20°C to 60°C
Terminal Type	M8 Copper Threaded Studs with Anti-Loosening Spring Washers
Certifications	UN38.3, CE, UL1973 Cell-Level Compliance, IEC62619

Battery Module & Pack Design

Prismatic Cell Compression Structure

Individual cells are secured via rigid end-plates and steel tie rods to counteract natural cell expansion during high-current cycling, preventing internal separator delamination.

Busbar Engineering

Multi-layer nickel-plated copper busbars bolt directly to cell terminals, lowering electrical resistance and limiting operational heat buildup under 200A continuous loads.

Thermal Management Partitioning

Structural internal air gaps and silicone thermal pads isolate the BMS logic board from high-current power pathways, protecting sensitive microprocessors from thermal drift.

Enclosure Ingress Protection

Laser-welded and gasket-sealed steel enclosures undergo helium leak testing to ensure IP67 rating compliance against pressurized water washdowns and muddy course conditions.

Manufacturing & Quality Control

Cell Sorting & Grading

Incoming prismatic cells undergo 72-hour rest testing followed by capacity, internal resistance (AC impedance < 0.5mΩ), and open-circuit voltage matching within ±1mV tolerances.

BMS Functional Calibration

Every circuit board undergoes automated optical inspection (AOI) and simulated fault injection testing to verify trigger thresholds for over-current protection and temperature cutoffs.

Laser Welding Station

Automated fiber laser welders join busbars to cell terminals, maintaining consistent weld penetration depth and eliminating high-resistance bolted joint failures.

Aging & Load Testing

Fully assembled packs undergo 100% full-capacity charge-discharge cycling at rated 1C loads in programmable thermal chambers before packaging.

OEM / ODM & Battery Upgrade Support

Dimensional Customization

Engineering team modifies enclosure length, width, and mounting bracket placement to drop directly into non-standard battery wells.

Controller Communication Matching

Custom BMS firmware configuration integrates CAN/RS485 data streams with third-party motor controllers (Curtis, Sevcon, Navitas) for real-time dashboard state-of-charge readout.

Private Labeling

Laser-engraved stainless steel rating plates, customized powder-coat enclosure colors, and custom-printed user manuals bearing distributor branding.

Applications

Commercial golf course fleets (18-hole and 36-hole daily rotation)

Closed-campus security and maintenance utility vehicles

Airport terminal baggage and passenger tugs

Resort, hotel, and theme park guest transport shuttles

Residential neighborhood electric vehicles (NEVs)

Why Choose Ritano

Direct Factory Infrastructure

Complete in-house manufacturing lines spanning cell modular assembly, laser welding, sheet metal fabrication, and final pack testing.

Traceable Bill of Materials

Full batch traceability records linking every installed cell serial number to raw material mill test reports.

Global Logistics Compliance

Dangerous goods packaging validated for UN38.3 ocean and air freight transport, accompanied by complete MSDS and export documentation.

FAQ

Q: Can this lithium pack directly replace an existing 48V lead-acid setup without changing the charger?

A: Existing lead-acid transformer chargers use voltage profiles incompatible with LiFePO4 charging algorithms and risk damaging the BMS. Packs require a matched high-frequency lithium charger equipped with the correct voltage cutoff and CAN communication pins.

Q: What is the exact weight reduction compared to standard Trojan lead-acid batteries?

A: A standard set of six 8V lead-acid batteries weighs approximately 160-180 kg. A comparable 48V 105Ah LiFePO4 pack weighs between 42 and 48 kg, removing over 110 kg of dead weight from the vehicle chassis and improving suspension wear and hill acceleration.

Q: How does the BMS protect the battery during cold-weather operations?

A: The integrated BMS monitors internal cell temperatures. When ambient temperatures drop below 0°C, the firmware automatically blocks the charging circuit to prevent lithium plating on the anode while allowing normal discharge functions down to -20°C.

Q: What communication protocols do your BMS units support for controller integration?

A: Standard firmware supports CAN bus 2.0B protocols communicating directly with Curtis, Navitas, and Sevcon controllers. Custom RS485 and UART protocols are available upon request for proprietary vehicle dashes.

Q: What is the expected calendar life and capacity retention after 5 years of fleet use?

A: Under standard golf course operational cycles (one full charge/discharge per day), the cells retain >= 80% of their initial nominal capacity after 4,000 complete cycles, translating to 6 to 8 years of operational lifespan.

Q: Are your battery packs certified for international export and marine/resort environments?

A: Packs carry UN38.3 test summaries, CE compliance declarations, and UL1973 cell test reports. Enclosures feature an IP67 rating protecting internal electronics from heavy rain and high-pressure hose washdowns.

Q: What is your standard lead time for OEM custom dimensional orders?

A: Prototype sampling requires 15 to 20 days following drawing approval. Bulk production runs (quantities exceeding 100 units) require 30 to 35 days depending on custom enclosure tooling requirements.

With abundant experience, we are one of the most reliable lithium battery power(golf cart) manufacturers and suppliers in China. We warmly welcome you to wholesale customized lithium battery power(golf cart) made in China here from our factory. If you have any enquiry about quotation, please feel free to email us.

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