15KW Solar Energy Storage Battery (LiFePO4 51.2V 300Ah) for Reliable Solar Backup
15KW Solar Energy Storage Battery is the dependable heart of a modern solar system, delivering long cycle life, high round-trip efficiency, and stable backup power for homes, small businesses, and engineering projects. Built on safe LiFePO4 chemistry with an intelligent BMS, this 15kWh class pack pairs seamlessly with popular hybrid inverters for self-consumption, peak shaving, and off-grid applications. Whether you are an EPC contractor, distributor, OEM/ODM partner, or a small B2B buyer, the 15KW Solar Energy Storage Battery gives you the performance, scalability, and warranty support needed to grow your projects with confidence.
15Kw Floor-standing Lithium Battery
| Model: | 48300 |
| Nominal Capacity: | 300Ah |
| Nominal Energy: | 15360Wh |
| Nominal Voltage: | 51.2V |
| Charge Voltage: | 58.4V |
| Cut-off Voltage: | 40V |
| Terminal: | M8 |
| Expandability: | 1-15 in parallel |
| Max. Charge Current: | 200A |
| Max. Discharge Current: | 200A |
| Communication: | RS485, CAN |
| Operating Temperature: | Charge0~50℃; Discharge-20~60℃ |
| Cycle Life: | 6000 Time |
| IP Class: | IP20 |
| Dimensions: | L555*W250*H740 mm |
| Weight: | ~145kg |
| Certification: | CE/FCC/UN38.3/MSDS |
| Optional function: | Blutooth, WiFi |
| Warranty: | 5 Years |
What Is a 15KW Solar Energy Storage Battery?
A 15KW Solar Energy Storage Battery typically refers to a lithium iron phosphate (LiFePO4) system sized around 15kWh usable energy with a continuous discharge power designed for household and commercial loads. In practical terms, a 51.2V (nominal 48V) 300Ah configuration offers a robust energy reservoir that can run essential appliances, provide peak-time power, and stabilize solar generation across day and night. The 15KW Solar Energy Storage Battery integrates a smart Battery Management System to balance cells, protect against over-charge/over-discharge, and communicate with inverters for safe, efficient operation.
Why Choose LiFePO4 for a 15KW Solar Energy Storage Battery?
Safety first
Long service life
High efficiency
High discharge rate
Series and parallel
Maintenance free
Low self-discharge rate
IP65 waterproof
Fast charge
Key Specifications of the 15KW Solar Energy Storage Battery
Chemistry: LiFePO4 (LFP)
Nominal Voltage: 51.2V (48V class)
Nominal Capacity: 300Ah (≈15.36kWh)
Usable Energy: Up to 90–100% DoD configurable (system-dependent)
Continuous Discharge/Charge: Inverter-matched profiles to maximize 15KW Solar Energy Storage Battery performance
Cycle Life: 4,000–6,000+ cycles @ 80% DoD (typical)
BMS Protections: OVP/UVP, OCP, OTP/UTP, cell balancing, CAN/RS485/RS232 comms
Scalability: Parallel expansion for larger projects (multiple 15KW Solar Energy Storage Battery units)
Enclosure Options: Wall-mounted, floor-standing, or rack-mount designs
Certifications (typical): UN38.3, CE, MSDS; additional regional certificates available on request
Where a 15KW Solar Energy Storage Battery Excels
Residential Self-Consumption: Store daytime PV and power evening loads with a 15KW Solar Energy Storage Battery.
Small Business & Retail: Reduce demand charges and keep POS/routers/lights running with a 15KW Solar Energy Storage Battery.
Telecom & Edge Sites: Stable DC backbone from a 15KW Solar Energy Storage Battery ensures uptime for critical equipment.
Rural/Off-Grid Projects: Pair gensets with solar plus a 15KW Solar Energy Storage Battery to cut fuel use and noise.
Light Industrial/Workshops: Smooth machinery starts and ride-through sags using a 15KW Solar Energy Storage Battery.
How the BMS Elevates a 15KW Solar Energy Storage Battery
A modern BMS constantly monitors cell voltage, temperature, and current, ensuring each 15KW Solar Energy Storage Battery delivers safe, balanced power. With CAN/RS485 protocols, the pack communicates with hybrid inverters for accurate SOC reporting, automatic charge profiles, and coordinated protections that protect both battery and inverter.
Quality, Warranty & OEM/ODM Options
We support customization for your 15KW Solar Energy Storage Battery: enclosure branding, communication harnesses, parallel kits, and tailored documentation. Typical warranties cover years or cycle thresholds, and batch tracking ensures your 15KW Solar Energy Storage Battery units meet project compliance requirements. For distributors, white-label programs help you scale with a proven 15KW Solar Energy Storage Battery platform.
Compatible Inverter Topologies for a 15KW Solar Energy Storage Battery
The 15KW Solar Energy Storage Battery pairs with leading hybrid inverter brands supporting 48–52V nominal packs and LFP charge curves. Installers can configure time-of-use schedules, backup priorities, and export limits to maximize ROI, making each 15KW Solar Energy Storage Battery a flexible, grid-smart asset.
Installation Notes
Follow local electrical codes; professional installation recommended.
Place on a level indoor surface; allow clearance for airflow and service.
Use appropriately rated DC breakers, fuses, and conductors per system design.
About Safecloud Energy
Safecloud Energy Solar focus on product quality, has many years of experience in providing solutions services in energy storage application industry. We dedicated to designing and manufacturing of LiFePO4 and lithium cells and integrated battery packs for energy system. strives for quality excellence in the production of battery solutions.
We dedicated to designing and manufacturing of LiFePO4 and lithium cells and integrated battery packs for energy system’s battery solutions is manufactured in strict accordance with relevant national standards. Every detail matter in the production. Strict cost control promotes the production of high-quality and priced-low product. Such a product is up to customers’ needs for a highly cost-effective product.
Why choose Safecloud Energy?
OEM/ODM Expertise
Safecloud offers true customization—from cell selection and BMS strategy to enclosure design, communication protocols, and branding. Whether you need wall-mounted home batteries, floor-standing cabinets, rack systems, or portable modules, our engineering team can tailor voltage, capacity, dimensions, connectors, firmware, and CAN/RS485 protocols to your application. We support rapid prototyping, small-batch pilots, and mass production, helping distributors, EPCs, and OEMs launch differentiated products quickly and reliably.
Factory Strength & Scale
Our vertically integrated factory model gives you better control over cost, quality, and lead time. With 150+ skilled employees and standardized production SOPs, we deliver stable capacity, fast delivery, and scalable supply for OEM/ODM projects. We export 85% of our products globally and understand compliance, packaging, and logistics requirements across North America, Europe, Australia, Africa, Korea, and Southeast Asia.
Certifications & Compliance
Safecloud products meet key international standards, including UN38.3 and MSDS for safe transport, and CE/FCC/CB where applicable. We also support regional schemes such as KC/BIS and provide complete documentation—test reports, datasheets, and compliance packs—to simplify your market access and project approvals.
One-Stop Energy Storage Solutions
From residential ESS to commercial and industrial projects, we provide end-to-end support: solution design, battery selection, OEM/ODM branding, certification guidance, packaging, and international shipping. Our experienced team understands grid-tie/off-grid, hybrid inverters, and communication matching, ensuring smooth integration and faster commissioning on site.
Frequently Asked Questions
Q｜What does Safecloud do?
Safecloud specializes in LiFePO4 batteries and energy-storage systems for residential, commercial/industrial, and mobile/RV scenarios, offering one-stop solutions and OEM/ODM services.
Q｜What are your main product formats?
Wall-mounted home batteries, floor-standing/stackable cabinets, server-rack (48V/51.2V) modules, and 12V/24V series.
Q｜Typical application scenarios?
Residential on/off-grid ESS, C&I peak-shaving/backup, telecom/IT rooms, and mobile power for RVs, boats, and camping.
Q｜Do your systems support parallel expansion?
Yes. Both rack and wall-mounted families support parallel scaling with proper busbars/fusing and BMS settings.
Q｜Are they compatible with common inverter brands?
Yes. Our BMS supports RS485/CAN with libraries for leading inverters; we help confirm profiles during scoping.
Q｜How is safety/reliability ensured?
Grade-A cells plus smart BMS (OV/UV/OCP/OTP/balancing), with cell sorting, aging, and 100% end-of-line tests
Q｜What certifications do you support?
Typical routes include UN38.3, CE/FCC/RoHS, with regional add-ons as needed; some models feature rated IP protection.
Q｜What about cycle life?
For example, the 24V 200Ah pack specifies ~3000–6000 cycles (condition-dependent) with low self-discharge and 10+ years design life.
Q｜Any representative technical ranges?
(Rack/Wall families) Nominal 48V/51.2V, 50–200Ah per module; max continuous up to ~1C (model-dependent); round-trip efficiency up to ~95%.
Q｜Do you supply complete kits and one-stop services?
Yes—battery + inverter + controller kits and end-to-end support from selection to integration and shipping.
Q｜Do you offer OEM/ODM? What’s the process?
Yes. We customize enclosures, voltage/capacity, BMS/firmware, comms, and branding. Steps: requirement capture → proposal → prototype/pilot → certification plan → mass production & delivery.
Q｜Key delivery & commissioning notes?
Site survey, structural mounting (wall/rack), compliant cabling/protection, protocol matching, and commissioning; remote support and parallel kits available.
Q｜Do you ship globally?
Yes. We provide export shipping and compliance packs (e.g., UN38.3) and tailor documentation/packaging by region.
Q｜How to get a quote/tech support?
Share your spec (system V/Ah, surge current, size/interfaces, inverter brand, options such as heater/Bluetooth/CAN). Our sales/engineering team will return with a proposal and schedule.
Q｜How can we contact you?
Use the website form or public email/phone; the company maintains offices and production bases in China (see About/History pages).
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