51.2V Rechargeable Solar Energy Storage LiFePO4 Battery for Purchase Service
Unlimited energy, giving you freedom
Who we are?
Are you overwhelmed by too many inconsistent battery quotes and unstable quality?
Are you worried about factory production capacity and product reliability, while tight project deadlines and bulk procurement tasks leave you no time to verify suppliers?
“All of our products come standard with high-specification BMS protection and support high continuous discharge current, with both performance and safety rigorously field-tested. Based on your target customer segment—whether focusing on cost-effectiveness or the high-end market—you can select 2 to 3 key models to stock as your main inventory. We are also ready to provide detailed technical datasheets and sample support.”
Please see the battery datasheet below.
| Battery Spec | Total Energy | Standard BMS Cont. Current | Rated Output Power | Applicable Scenarios (Selection Reference) | Target Audience / Positioning |
| 51.2V 50Ah | 2.56 kWh | 50A | ≈ 2560W | Suitable for lightweight camping; reliably powers lighting, refrigerators, mobile phone charging, and small water kettles. Does not support high-power devices like parking air conditioners. | Entry Level
Suitable for small trailers, short trips, entry-level budget customers, and emergency backup power. |
| 51.2V 100Ah | 5.12 kWh | 100A | ≈ 5120W | Standard full-vehicle power; supports parking air conditioners, refrigerators, lighting, water heating, and small home appliances, meeting most daily RV living needs. | Global Best-Seller & Value Choice
Fits most small-to-medium RVs, lead-acid replacements, and off-grid solar systems. |
| 51.2V 150Ah | 7.68 kWh | 120A ~ 150A | 6000W ~ 7500W | Ample capacity; enables extended runtimes for parking AC and dual refrigerators running simultaneously, supporting multiple days of continuous off-grid camping. | Mid-Range Upgrade
Ideal for medium-sized RVs, frequent outdoor stays, and users seeking enhanced off-grid comfort. |
| 51.2V 200Ah | 10.24 kWh | 150A ~ 200A | 7500W ~ 10240W | High power & capacity; supports continuous operation of all-day air conditioning and high-wattage appliances, eliminating off-grid power anxiety. | High-End Mainstream Best-Seller
Perfect for large RVs, overland expedition vehicles, and long-distance road trippers in AU/NA. |
| 51.2V 300Ah | 15.36 kWh | 200A+ | 10 kW+ | Ultra-large energy reserve; easily runs dual air conditioners, induction cooktops, ovens, and heavy appliances for over a week of off-grid self-sufficiency. | Top-Tier High Capacity
Designed for heavy-duty outdoor camping, large custom RV conversions, and continuous emergency backup power. |
| 51.2V 400Ah | 20.48 kWh | 250A | 12 kW+ | Extreme energy storage; runs all appliances effortlessly. Tailored for extreme cold climates, long-term uninhabited area living, and full marine yacht power systems. | Flagship Custom Edition
Built for luxury travel trailers, yachts, professional outdoor exploration, and high-end commercial projects. |
Our Service
51.2V LiFePO4 Battery Features for Application
1. RV & Camper Van Energy Storage (Core Main Scenario)
This is the most mainstream application scenario for 51.2V battery packs, fully matching the power demand of global RV travel and outdoor camping. It can replace traditional lead-acid batteries completely, solving the problems of short service life, heavy weight and low energy efficiency of lead-acid batteries.
Applicable power loads: RV parking air conditioner, refrigerator, water heater, induction cooker, lighting system, mobile phone/device charging, car audio, and daily small household appliances.
Scenario adaptation: 50Ah-100Ah is suitable for short-distance camping and small RVs; 150Ah-200Ah is ideal for long-distance self-driving and medium-large RVs; 300Ah-400Ah high-capacity models support multi-day off-grid self-sufficient power supply without municipal electricity.
2. Marine & Yacht Power Supply
The 51.2V LiFePO4 battery pack has excellent shock resistance, waterproof performance and low-temperature resistance, which can adapt to complex marine working environments such as wave shaking and humid salt fog. It is a dedicated power supply for yachts, fishing boats, sailboats and offshore recreational vessels.
Applicable power loads: Marine lighting, navigation equipment, communication instruments, yacht refrigerators, water pumps, and daily living electrical equipment on board.
Scenario advantage: Stable voltage output avoids equipment jitter and failure, and the long cycle life reduces frequent replacement costs for marine equipment.
3. Home Off-Grid Solar Energy Storage System
Compatible with mainstream solar controllers and inverters in the market, it forms a complete off-grid solar power generation and energy storage system, suitable for families, villas and rural areas without stable municipal electricity supply.
Applicable scenarios: Household daily lighting, television, water pumps, small air conditioners, and daily household electricity; it can store solar energy during the day and supply power at night to realize self-sufficient household power consumption.
Matching advantage: 51.2V standard voltage is universally compatible with global low-voltage solar energy storage systems, with high power supply efficiency and low line loss.
4. Emergency Backup Power for Families & Commercial Places
Used as uninterruptible emergency backup power supply to solve power outage troubles caused by grid maintenance, extreme weather and other emergencies, widely used in families, small shops, offices and warehouses.
Applicable equipment: Monitoring equipment, router communication equipment, emergency lighting, low-power office equipment, and refrigeration equipment that needs continuous power supply.
5. Off-Grid Engineering & Field Operation Power Supply
Suitable for field operation scenarios without grid coverage, with strong environmental adaptability, meeting the long-term power demand of outdoor engineering equipment.
Applicable scenarios: Outdoor construction engineering, field exploration, mountain monitoring, forest fire prevention monitoring, and remote base station power supply.
Product advantage: High discharge power, stable operation, support long-term low-load standby and intermittent high-load work.
6. Special Mobile Equipment Power Supply
Adapt to various mobile off-grid equipment scenarios, replacing traditional batteries to improve power endurance and stability.
Applicable equipment: Tourist trailers, outdoor camping equipment, agricultural mobile equipment, cleaning equipment, and low-speed mobile working vehicles.
Core Scenario Selection Tips (For Customers)
Choose the right capacity configuration tailored to your specific power requirements and application scenarios:
50Ah - 100Ah
Light use & short trip: Suitable for daily standby, short-distance camping, and light power requirements.
100Ah - 200Ah
Daily mainstream RV & home solar: The most cost-effective and widely compatible choice for standard setups.
300Ah - 400Ah
Long-term off-grid & high-power: Designed for high-end RVs, yachts, and demanding field engineering operations.
FAQ For Purchasing 51.2V LiFePO4 energy storage battery pack
What is the process for purchasing 51.2V LiFePO4 energy storage battery pack from Instrava supplier ?
1. Inquiry (We will respond to your inquiry within 24 hours to confirm specifications and initiate the process.)
2. Quotation (Quotation timelines vary based on the project type and your specific requirements. Standard stock items are quoted within one day, while special orders require three days or a mutually agreed-upon timeframe.)
3. Product Selection (We will present 3–5 product options and pricing for your approval. During this stage, we verify the manufacturer’s production capabilities and relevant national certifications.)
4. Contract, Prepayment, and Production (A 40% prepayment is required to initiate production at a qualified facility. For stock items, we promptly arrange for product testing and packaging.)
5. Interim Payment (Upon successful completion of production and quality inspection, the next 50% of the total amount is due. For stock items, this payment is made after packaging is complete.If the transaction amount does not exceed $50,000, the remaining 60% is paid.)
6. Shipment (You may designate a freight forwarder, or we can arrange shipping for you.)
7. Receipt of Goods (Our Quality Guarantee: When your cumulative order value reaches $50,000, you pay the remaining 10% only after receiving and verifying the product quality. We let our quality do the talking.)
8. After-Sales Service (We actively address and resolve issues through both online and offline channels. We place great importance on after-sales support, as it reflects our responsibility and reputation—the foundation of Instrava’s long-term growth.)
What are the advantages of buying products from Instrava ?
Buying from Instrava gives you the best of both worlds—the direct-from-source pricing of a factory, combined with the professional service, product range, and risk mitigation of an elite sourcing partner. Here is how we deliver value to your business:
Unbiased Market Curation (More Choices & Better Prices): Unlike single factories that only praise their own capacity, or traditional trading companies restricted by personal connection networks, we evaluate the entire Chinese manufacturing landscape. We benchmark and source from multiple verified factories to secure the most competitive pricing and the exact product specifications you need.
100% Transparency (Your “Brain” in China): We never hide behind the veil of being a “fake manufacturer.” We act as your transparent, in-country purchasing department. You always know exactly who is producing your goods, how much they cost, and what the real lead times are.
Uncompromised Quality & Risk Mitigation: Our business is built on long-term partnerships, not one-off high-profit transactions. We perform strict, independent quality control from your perspective before shipment, protecting you from post-purchase defects and communication breakdowns.
Streamlined Communication & Service: No more dealing with slow, production-centric factory service. We provide a single, highly responsive point of contact that manages the entire supply chain—from negotiation and quality checks to shipping logistics—saving you time and reducing headaches.
What types of industrial automation instruments products can you purchase from Instrava?
Level gauge, flowmeter, transmitter, level switch, gas alarm controllers, power transformer, energy storage battery pack, power system equipment etc.
How to ensure the reliability of the purchased products?
Our customer-centric philosophy prioritizes their procurement needs.
1. Initially confirm the manufacturer based on product pricing and the strength and qualifications of the production factory.
2. Verify the manufacturer’s production environment through video and on-site inspections to check the compliance of the entire product manufacturing process.
3. Ensure post-production product testing and retain data and video evidence from the verification process(testing and verification methods vary depending on the product).
How does Instrava ensure product protection and physical safety during cross-border shipping?
Firstly, we confirm the packaged products with the factory (different products require different packaging and shipping methods. Heavy equipment and bulk shipments are securely secured within sea freight containers using custom-designed engineering steel frames, heavy-duty multi-layer wooden crates, and industrial-grade vacuum rust-proof bags. Precision instruments are protected against impacts and maintained in a stable position; the factory has extensive experience in this area. Custom labels are affixed to the outer packaging).
Secondly, we maintain communication with the freight company to confirm the condition of the goods and advise them to handle the loading and unloading processes with care.
What warranty policies and after-sales technical support does Instrava offer to international customers?
1. Instrava offers a comprehensive 12 to 24-month warranty (specific warranty period depends on the product line), covering all manufacturing and component defects.
2. When online technical support is needed, customers can connect with factory engineers online. Real-time guidance is provided for installation, on-site calibration (for instruments), and commissioning. When on-site engineer support is needed, we will arrange for an engineer to visit the site.
3. In the event of component issues, we will ship replacement parts via international express delivery (DHL/FedEx) to minimize your project downtime.
4. Whether a product requires replacement or repair will be clearly stated in the purchase contract.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
