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Custom OEM 51.2V LFP Battery Pack with 20 Years Lifespan for Solar Power Storage Solution Custom OEM 51.2V LFP Battery Pack with 20 Years Lifespan for Solar Power Storage Solution
Custom OEM 51.2V LFP Battery Pack with 20 Years Lifespan for Solar Power Storage Solution Custom OEM 51.2V LFP Battery Pack with 20 Years Lifespan for Solar Power Storage Solution

Custom OEM 51.2V LFP Battery Pack with 20 Years Lifespan for Solar Power Storage Solution

US$ 338.46 ~ 279.72
Min.Order: 10
Product origin: Shanghai, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 40 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model No. : Hi5/Hi10/Hi14
  • Battery Type : Lithium Iron Phosphate (LFP)
  • Nominal Voltage : 51.2V
  • Capacity Range : 5Kwh-14.33Kwh
  • Nominal Capacity : 100Ah-280Ah
  • Cell Configuration : 16S1P/16S2P
  • Charge Voltage : 57.6V
  • Discharge Cut-off Voltage : 43.2V
  • Standard Charge Current : 42.4A
  • Max Charge Current : 100A-150A
  • Max Discharge Current : 100A-150A
  • Cycle Life : ≥6000 cycles @80% DOD
  • Design Life : 20 years
  • Operating Temperature : -20°C to 60°C
  • Communication Interface : RS232/RS485
  • Installation : Wall-mounted/Floor-standing
  • Parallel Capability : Up to 4 units
  • Dimensions : 575-815mm(W)×445-604mm(D)×160-250mm(H)
  • Weight : 48-130kg

If you're looking at a sample unit, we're talking roughly $800-$1,200 depending on the capacity you pick—the Hi5 for 5kwh runs a bit under that, and the Hi14 for 14.33kwh pushes the upper end—but once you move into mid-range orders of 50 units or so, that price per kilowatt-hour drops by about 15-20%, and for bulk buys of 500 or more, we can get it down to where it's genuinely competitive with lead-acid on a per-cycle basis, which is really what matters over the long haul.

The Hi10 is actually most popular model we sell, probably because of that it hits that sweet spot at 10kwh with 200ah nominal capacity and the 16S2P cell configuration, and it's only about 80kg give or take—heavy enough to feel solid but not so heavy you need a forklift for a single unit, and the wall-mount bracket we include makes insallation pretty straightforward for someone who's done a few solar setups before.

LiFePO4 Battery Pack

What you're getting with the Hi series is basically a 51.2 volt system that can handle up to 150 amps on the charge side and 150 on the discharge, though for daily cycling most buyers go with the standard 42.4A charge and 80A discharge to keep the cycle life above that 6000 mark at 80% depth of discharge—push it harder and you'll still get 4000 cycles or so, but the 20-year design life really depends on staying within those standard parameters.

Solar Battery System

One thing that catches people off guard is the parallel capability—you can link up to four units for a total of roughly 57kwh, but the communication between them uses RS232 and RS485, and if you're not familiar with setting those protocols, you'll want someone who knows Modbus to handle the initial configuration; teh BMS does the heavy lifting after that, but the first setup can be a bit fiddly if you've never done it before.

Anyway, when you order form us, we'll send you the COA with the HPLC data from the cell manufacurer, and we usually have the Hi5 and Hi10 in stock, but the Hi14 might need 20 days or so lead time because those 280ah cells aren't always on the shelf—and honestly, if your system only needs 5kwh, the Hi5 is a better fit than running a larger pack at partial capacty, since LFP doesn't mind being cycled shallow but you're paying for cells you don't use.

Frequently Asked Questions

What's the minimum order quantity for the Hi5, Hi10, or Hi14 models?

We don't have a strict MOQ for these packs — you can order as low as a single unit for testing or small projects. For bulk orders, just reach out and we'll work out pricing.

What's the typical lead time for a custom OEM order?

Lead time is usually around 4-6 weeks after design confirmation, depending on the customization level and quantity. We'll give you a precise timeline once we finalize the specs.

Do these battery packs come with any certifications or quality documentation?

Yes, we can provide UN38.3, CE, and RoHS certifications upon request, plus test reports for cycle life and safety. Just let us know which docs you need.

Can I get the battery with a specific capacity between 5kWh and 14.33kWh, like 8kWh?

Absolutely — we build custom capacities within that range by adjusting the cell configuration. For example, an 8kWh pack would use a 16S1P setup with around 156Ah cells. Just tell us your target capacity and we'll tailor it.

How should I store these batteries if I don't install them right away?

Keep them in a cool, dry place between -20°C and 35°C, ideally at about 50% state of charge. Avoid direct sunlight, and check the voltage every 3-6 months to prevent deep discharge.

W***M 2026-02-03

Xceptional experience from start to finish. The logistics were handled with remarkable precision; the battery pack arrived ahead of schedule, which was a fantastic surprise. The packaging was incredibly robust and secure, clearly designed to protect such a high-value item during transit. Every component was meticulously packed, and there was no sign of damage whatsoever. Regarding quality, the build of the battery pack is outstanding. The craftsmanship is evident upon first inspection—the casing is solid, the connections are clean and professional, and the overall finish speaks to high manufacturing standards. It feels like a premium, durable product built to last. The service provided by the team was equally impressive. Communication was clear, prompt, and helpful at every stage. They were proactive in providing shipping updates and were readily available to answer my pre-purchase inquiries with detailed and knowledgeable responses. The entire process felt smooth and professional, instilling great confidence in the manufacturer. While I cannot comment on specific performance parameters yet, the initial setup was straightforward, and the unit integrated seamlessly with my existing system. This focus on logistical excellence, tangible quality, and superior customer service makes this purchase highly commendable. A truly reliable partner for critical energy storage solutions.

J***Z 2026-02-02

I am thoroughly impressed with the overall experience of receiving my Custom OEM 51.2V LFP Battery Pack. Initially, the logistics were handled with exceptional professionalism. The shipping was remarkably prompt, and the package arrived ahead of the estimated schedule, which was a fantastic surprise. The packaging itself was incredibly secure and robust, clearly designed to protect such a high-value item during transit. There was no sign of damage whatsoever, reflecting great care in the handling process. Regarding quality, the initial inspection reveals outstanding craftsmanship. The build feels solid and premium, exactly as specified for a professional solar storage solution. The attention to detail in the construction is immediately apparent, instilling great confidence in its durability and the promised long lifespan. The service provided throughout the ordering and delivery phase was equally commendable. The communication was clear, timely, and helpful, making the entire process smooth and worry-free. Any pre-delivery inquiries were addressed promptly and courteously. This combination of efficient logistics, apparent high quality, and excellent customer service has made for a very positive procurement experience. I look forward to integrating this battery pack into my system, fully trusting in its performance based on these initial interactions.

H***N 2026-02-01

Came across this supplier while sourcing components for a solar project and decided to give their LFP pack a try. The shipping was surprisingly quick; the package arrived well ahead of the estimated schedule, which was a great start. Everything was packed securely with no signs of damage during transit. As for the product itself, the build quality feels solid and professional. The casing is robust, and the terminals are well-made. Communication with the seller was straightforward and helpful throughout the process. They answered my pre-purchase questions promptly and provided clear tracking information. While I haven’t integrated it into a full system for long-term testing yet, the initial inspection and specifications match what was advertised. This seems like a reliable unit from a manufacturer that pays attention to logistics and customer service. A smooth experience overall from order to delivery.

S***P 2026-01-27

Q***P 2026-01-25

I was thoroughly impressed by the shipping speed of this order. The battery pack arrived much earlier than anticipated, which was a pleasant surprise given the current global logistics challenges. Everything was packaged with exceptional care, demonstrating clear attention to detail and a commitment to product safety during transit. There were no signs of damage, and all components were securely fitted within the box. The quality of the product itself is immediately apparent upon unboxing. The construction feels robust and professional, exactly as one would expect from a specialized manufacturer. The finish and assembly are top-notch, giving great confidence in its durability and performance for my solar setup. Regarding customer service, my inquiries prior to purchase were met with prompt, knowledgeable, and courteous responses. The support team was patient and provided clear information, making the selection process straightforward. This level of service significantly enhanced the overall purchasing experience. While I have not yet integrated the battery into my system for long-term testing, the initial impressions based on logistics, physical quality, and pre-sales support are overwhelmingly positive. The company seems to operate with high efficiency and professionalism. I appreciate the seamless process from order placement to delivery, and the product's build quality aligns perfectly with the descriptions provided. It's a very promising start, and I look forward to seeing its long-term performance in my renewable energy solution. This initial phase has certainly set a high standard for both product and service expectations.

G***B 2026-01-24

Xceptional experience from start to finish. The delivery was remarkably swift and the packaging was incredibly secure, ensuring the product arrived in pristine condition. Regarding quality, the construction feels robust and premium, exactly as described for a professional storage solution. Customer service was outstanding; the team was responsive, knowledgeable, and proactive in providing updates. A truly seamless process that inspires confidence in this manufacturer.

H***D 2026-01-22

Very satisfied with the overall experience. The delivery was remarkably fast and handled with great care. The packaging was secure and professional, ensuring the product arrived in perfect condition. Communication throughout the shipping process was clear and timely. Regarding the item itself, the build quality appears excellent and robust, exactly as described. The finish and craftsmanship are impressive, suggesting high-grade materials were used. Customer service was outstanding; the team was responsive, knowledgeable, and helpful in addressing pre-purchase inquiries. They provided clear information and support, making the transaction smooth and trustworthy. This level of service and attention to detail, from logistics to support, is commendable and builds significant confidence in the manufacturer. A highly professional and reliable experience from start to finish.

H***T 2026-01-04

Prompt delivery and excellent packaging ensured the battery arrived in perfect condition. The overall quality appears robust and well-constructed, matching the professional specifications described. Customer service was responsive and helpful during the ordering process, providing clear communication. The product itself seems promising for its intended solar application, with a solid feel and good initial impressions. Packaging was secure, preventing any transit damage, which is crucial for such items. The supplier was professional in all interactions, making the procurement smooth. While long-term performance remains to be seen, the initial physical quality and the service experience have been very positive. The logistics were handled efficiently, with timely updates provided throughout the shipping journey. This has fostered confidence in the manufacturer’s reliability and attention to detail. The entire process from inquiry to delivery was seamless, reflecting well on the company’s operational standards. The product’s build quality suggests careful manufacturing, which is essential for energy storage solutions. Overall, a very satisfactory experience based on logistics, perceived quality, and service support.

D***H 2026-01-04

Rapid delivery and exceptional packaging ensured my order arrived in perfect condition. The courier service provided real-time tracking updates, which made monitoring the shipment incredibly convenient. From a quality perspective, the construction of the battery pack appears robust and precisely matches the technical specifications discussed during the ordering process. The outer casing is durable, and all connection points are well-secured, reflecting solid manufacturing standards. Regarding customer service, the support team was highly responsive and professional. They promptly answered all my pre-purchase inquiries about logistics and customization details, providing clear and thorough information. The overall purchasing experience was seamless, from the initial quote to the final delivery. The company clearly prioritizes reliable logistics, high-quality product presentation, and attentive client communication, making the process straightforward and trustworthy.

U***M 2026-01-02

Unbelievably swift and professional delivery service was the first thing that impressed me. The logistics were handled seamlessly from start to finish, with clear tracking updates and the package arriving well ahead of the estimated schedule, which was a fantastic surprise. Upon unboxing, the build quality of the battery pack is immediately apparent; it feels robust, well-constructed, and precisely engineered, giving great confidence in its durability and performance for long-term solar storage applications. The customer service team deserves special mention for their exceptional support. They were responsive, knowledgeable, and incredibly helpful throughout the entire process, patiently answering all pre-purchase inquiries and providing clear post-purchase guidance. This level of attentive service truly enhances the overall experience and sets a high standard. The combination of efficient logistics, superior physical quality, and outstanding support makes this a highly commendable purchase for anyone seeking a reliable energy storage solution.

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