12V 40Ah LiFePO4 Starting Battery 500CCA Bluetooth Marine RV Truck Lithium Battery With Smart BMS
| Cell Chemistry: | Premium Lithium Iron Phosphate (LiFePO4) | Nominal Voltage: | 12.8V |
| Rated Capacity: | 40Ah | Total Energy: | 512Wh |
| Standard Charge Voltage: | 14.6V | Discharge Cut-off Voltage: | 10V |
| Maximum Charge Current: | 20A | Continuous Discharge Current: | 40A |
| Cold Cranking Amps (CCA): | 500 | Cycle Life (to 80% capacity): | 4000+ |
| Design Service Life: | 10+ Years | Operating Temperature Range: | 20°C To 65°C |
| Smart Feature: | Bluetooth Monitoring & Management | Key Protections: | Over-Charge/Discharge, Over-Current, Short Circuit, Cell Balance |
| Optional Feature: | Built-in Self-Heating For Cold Weather Charging | Dimensions (LWH): | 197 * 128 * 200/220 Mm |
| Approximate Weight: | ~5 Kg | Construction: | Water-Resistant, Maintenance-Free |
| High Light: | 12V 40Ah LiFePO4 marine battery,500CCA lithium starting battery,Bluetooth RV truck battery |
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Engineered for demanding applications where standard batteries falter, the 12V 40Ah High-Crank LiFePO4 Battery delivers unwavering power to turn over the most challenging engines. With a formidable 500 CCA and 512Wh of energy, this robust lithium solution is designed for trucks, large marine outboards, high-performance vehicles, and critical backup systems. It combines instant high-current punch for reliable starting with deep-cycle resilience for auxiliary power, all in a maintenance-free package backed by Yunfan Factory's 15 years of power expertise.
- High-Output Cranking (500 CCA): Generates massive current surge for immediate ignition of larger displacement engines, even under challenging conditions
- Substantial Energy Capacity (512Wh): Provides significant energy reservoir for engine starts and extended operation of accessories and electronics
- Rapid Recharge Capability: Leverages high charge current acceptance (20A) to recover from discharge quickly, minimizing downtime
- Advanced Bluetooth Connectivity: Monitor voltage, state of charge, and health status directly from your smartphone
- Comprehensive Integrated BMS: Protection against overcharge, deep discharge, overcurrent, short circuits, and cell balancing
- Inherent Stability of LiFePO4: Lithium Iron Phosphate chemistry provides thermal and structural stability for enhanced safety
- Extended Service Life (4000+ Cycles): Engineered for thousands of deep discharge cycles, multiple times longer than lead-acid equivalents
- 10-Year Design Philosophy: Crafted with premium Grade A LiFePO4 cells and robust construction for exceptional endurance
- Optional Low-Temp Operation: Available self-heating function ensures reliable performance in sub-freezing environments
- Maintenance-Free Operation: No terminal cleaning, watering, or equalization charges required
- Lightweight & Powerful: Approximately 5kg weight offers dramatic reduction compared to lead-acid batteries
- Eco-Conscious Choice: Contains no toxic heavy metals with longer usable life reducing environmental impact
Delivers reliable cold cranking power for diesel engines and commercial vehicles. Robust build and high CCA rating meet rigorous demands of daily professional use.
The ultimate marine cranking battery for larger outboards and inboards. Corrosion-resistant design and substantial power reserve ensure starts in all conditions while supporting vital onboard electronics.
Provides stable, high-current power for vehicles with demanding electrical systems and stop-start technology. Lightweight design benefits performance enthusiasts.
Serves as highly efficient, long-lasting storage for solar setups or backup inverter systems, capable of handling high surge loads from appliances and tools.
Your Vision, Manufactured with Our Precision. As an industry leader with over 15 years of specialization, Yunfan Factory provides comprehensive OEM and ODM services.
- Branded Customization: Launch your own product line with custom branding, packaging, and tailored technical specifications
- Application-Specific Engineering: Adapt BMS parameters, capacity, dimensions, and features to match your unique market needs
- White-Label Development: From custom Bluetooth applications to complete battery system design, turning concepts into market-ready products
- Global Distributor Support: Competitive wholesale pricing, reliable volume production, and dedicated support worldwide
- Individual Protective Packaging: Each unit securely housed in custom-fitted carton for safe delivery
- Fully Certified for Transport: Tested and certified to meet international safety standards including UN38.3
- Efficient Global Logistics: Established shipping partnerships ensure cost-effective, timely worldwide delivery
- Deep Technical Expertise: 15+ years focused on advanced lithium battery solutions for automotive and marine applications
- End-to-End Control: Complete process management from cell selection to BMS programming and final assembly
- Proven OEM/ODM Partner: Trusted manufacturing source for globally recognized brands and distributors
- Commitment to Innovation: Continuously integrating smart features like Bluetooth monitoring and self-heating technology
Equip your engine with the advanced power and intelligence of our 40Ah LiFePO4 battery. Contact Yunfan Factory today for product specifications, partnership opportunities, and to experience factory-direct quality.
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