What is the nominal voltage and capacity?

The nominal voltage is 51.2V, with a usable energy of 12.99 kWh for the 13.82 kWh total energy model.

Does the system support off-grid operation?

Yes, it supports solar, grid-tie, and backup operation modes, ensuring continuity during grid failures.

Efficient off-Grid Power Supply: Lithium Iron Phosphate Battery

Name: Efficient off-Grid Power Supply: Lithium Iron Phosphate Battery
Brand: Shenzhen Wanrun Mining Co., Ltd.
SKU: 2277717985

Guangdong, ChinaShenzhen Wanrun Mining Co., Ltd.

US$1,118.00-3,000.00

1 Piece

Product profile

Customization

Available

Cycle Life

15+Years(25℃/77°F)

Nominal Capacity

270 Ah

Model NO.

WRES-L-25-014

Product Name

Home Energy Storage System

Keywords

Home Energy Storage Battery

Total Energy (Kwh)

13.82

Usable Energy (Kwh)

12.99

Nominal Voltage (Vd.C)

51.2

Voltage Range (Vd.C)

44.8-57.6

Max. Current (Charge)

200A

Max. Current (Discharge)

200A

Recommend Using Dod

90%

Standard Features

Bluetooth/Button-Controlled Screen

Weight (Kg)

138

Installation Type

Wall-Mounted & Stackable

Communication

Can/RS485

Storage Temperature

-20*C-55℃℃(-4°F-131°F)

IP Rating

IP20

Transport Package

Standard Packaging or Customized

Specification

660*404*450 mm

Trademark

WANRUN

Origin

Shenzhen, China

Production Capacity

50000pieces/Year

Key features

Long Cycle Life: LFP batteries offer 8,000+ cycles and 15+ years of operation life.

Modular Scalability: Expandable capacity from 5 kWh to over 30 kWh by adding units.

High Efficiency: Achieves over 95% round-trip efficiency for optimal energy use.

Smart Monitoring: Real-time tracking and remote control via mobile app and web.

Backup Power: Provides immediate emergency power during grid outages.

Space Saving: Wall-mounted and stackable design maximizes floor area.

Wide Compatibility: Supports RS485, CAN, and RS232 protocols for major inverters.

Cost Savings: Lowers bills via peak-valley arbitrage and solar self-consumption.

Company profile

In-stock CapacityFast DeliveryLow MOQCustomization from Samples

Shenzhen Wanrun Mining Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: shenzhen portAverage Response Time: ≤1.97h

AI-Powered supplier vetting

SummaryThe supplier operates across energy-storage technology services, battery and charging products, mining-related materials, and mechanical equipment. It reports end-to-end vertical integration and EPC capability, plus sample, design, and full customization with ODM services. Export sales account for 90%, with stated FOB, CIF, CFR, and EXW quotation terms and lead times within 15 workdays in both peak and off-season. However, quality control appears limited: one inspector is reported, finished products are checked by packing staff, and there are no written corrective-action, complaint-handling, supplier-assessment, or traceability procedures. No overseas agents, branches, warehouse, showroom, or offline trade-show participation are reported. Financial indicators provided for the past three years are zero, so financial credibility cannot be established from the available evidence.

Supplier typeThe supplier’s stated scope covers energy-storage technology services, mining and mineral products, rare-earth materials, mechanical equipment, and trade agency. Its company description additionally presents an integrated chain from mining and cathode materials through battery production, energy-storage systems, and charging products, with EPC services for solar, storage, and charging projects.

After-Sales capabilityThe supplier reports no overseas agents or branches, no overseas warehouse, no overseas showroom, and service coverage in zero countries. It also has no written procedures or records for customer complaints or corrective and preventive actions, although it accepts multiple payment terms and states lead times within 15 workdays.

Financial creditReported operating revenue, costs, profits, gross margins, and current ratios for the stated prior periods are all zero. These figures provide no positive evidence of operating financial strength and indicate a material financial-credibility concern based strictly on the supplied data.

R&D capabilityThe supplier reports new product activity during the past year and provides ODM services, with customization from samples, designs, and full specifications. However, no SDK is available, which limits evidence of software or platform development capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization capability.