Off-Grid LiFePO4 Battery Supplier From China

Delong off-grid solar batteries cover 25.6V, 51.2V, and high-voltage (HV) systems, with capacities ranging from 5kWh to 253kWh. We provide global installers, EPC contractors, and distributors with battery selection, inverter protocol compatibility, and OEM/ODM bulk supply.

⚡ Local Delivery: Stock Available in Europe Warehouse

6500+

Cicli profondi

30+

Compatible Inverters

OEM

Available

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Manutenzione

Off-Grid Battery Solutions

Engineered for reliability in off-grid solar applications. Our lithium battery systems offer flexible mounting, seamless inverter compatibility, and scalable capacity to power everything from residential homes to commercial microgrids.

51.2V Low-Voltage Off-Grid Battery Series

(Note: Select models in stock at our Poland warehouse for fast European delivery.)

Batteria impilabile da 15kwh
Stacked Off-Grid Battery

5.12kWh–16.07kWh | Modular stackable design reduces external cabling and installation time, expandable up to 240kWh.

Wall-Mounted Battery

5.12kWh–16.07kWh | Adapts to both wall and floor placement, fitting diverse space conditions while reducing distributor SKU complexity.

51,2V 28kwh - 32kwh Batteria al litio
Floor-Standing Battery

10.24kWh–32kWh | No wall drilling required. Built-in industrial casters handle large off-grid demands while easing heavy movement and positioning.

Batteria al litio montata su rack
Rack-Mounted Battery

5.12kWh–16.07kWh | 19-Inch Cabinet Installation. Standard rack dimensions, designed specifically for telecom base stations, server rooms, and microgrid cabinets.

25.6V Low-Voltage Off-Grid Battery Series

5.3kWh 25.6V 210Ah Wall Mounted LiFePO4 Battery
Wall-Mounted Battery
LFP25210-W | 5.38kWh

200A continuous discharge current; supports up to 15 units in parallel (80.7kWh total) for high-power off-grid loads.

Wall-Mounted/Floor Battery
LVW5.8S | 5.83kWh

Combines flexible installation with 200A high-current output, designed for cost-effective off-grid projects.

Batteria domestica impilabile
Modular Stacked Battery
HS25200-5 | 5.12kWh

Building-block modular architecture simplifies inter-module wiring and allows capacity scaling as needed.

High-Voltage Off-Grid Energy Storage Systems

Designed for mid-to-large commercial off-grid and microgrid projects, our high-voltage architecture increases system voltage to reduce DC current and transmission losses:

48-80kwh High Voltage Lithium Battery
HV32-10 / HV32-15

30.72–112.5kWh, High-Voltage Modular Battery System

48-80kwh High Voltage Lithium Battery
HVR32-ESS

64–225kWh, Rack-Mounted / Cabinet System

96kwh 172kwh Batteria con inverter
HVC36-ESS

144.7–253.2kWh, IP54 Commercial & Industrial Battery Cabinet

Off-Grid Operating Scenarios

Batteria di Backup LiFePO4 Impilabile per Tutta la Casa
Off-Grid Homes & Remote Communities

Ideal for off-grid homes, islands, and mountain residences, serving as the primary power source paired with PV for 24/7 continuous electricity.

Battery Storage for Solar Farms
Agriculture & Farms

Ideal for remote farms, ranches, and irrigation systems, supporting high-surge loads to power daily agricultural operations.

Commercial & Remote Sites

Ideal for telecom towers, oil & gas monitoring stations, and edge equipment rooms, supporting standard cabinet deployment for reliable unattended operation.

Why Choose Delong Off-Grid Batteries?

Grade A Cells & Extended Cycle Life

Brand-new Grade A LiFePO4 cells with 6,500+ cycles and a 10+ year design life, ensuring long-term stable operation for off-grid PV systems.

Smart BMS & Inverter Compatibility

Built-in industrial BMS with multi-level hardware protection. Pre-loaded protocols for Deye, Victron, Growatt, etc., simplify field commissioning.

High Discharge for Surge Output

Supports 100A, 200A, and 300A continuous discharge options, delivering high-current output to smoothly handle heavy equipment startup.

Scalable Parallel Expansion

Modular engineering supports initial low-cost setup with scalability up to 15 units in parallel as power demand grows over time.

Local EU Stock & Fast Delivery

Popular stackable, dual-use, and floor-standing models are stocked in our European warehouse to shorten lead times and speed up local supply.

Easy Installation & Maintenance

User-friendly mounting hardware, handles, and quick-connect terminals significantly reduce on-site labor cost and installation time.

Full Certification & Documentation

Complete compliance and transport documentation provided, including CE, IEC 62619 test reports, UN38.3, and MSDS for smooth customs clearance and project approvals.

Certificazione delle batterie al litio

Featured Projects

30kwh Household Battery Storage Germany

Georgia | 30kWh Mobile Off-Grid Battery System

To meet power demands in remote off-grid mountain regions of Georgia, Delong supplied a 30kWh high-capacity off-grid battery system to a local solar distributor. Equipped with heavy-duty industrial casters, the system eliminated wall-drilling requirements and solved transport challenges across rugged terrain.

Need Integrated Inverter & Battery Solutions?

If your project requires integrated inverters or portable power, explore our dedicated lineups:

Stazione di energia con batteria al litio da 25,6 V e inverter da 5 kW 03
Portable Power Station Series

Ideal for outdoor tasks, emergency backup, and mobile power needs.

45kwh Lifepo4 Batteria a carica EV
All-in-One Off-Grid ESS Series

Integrated battery and inverter systems for residential and commercial solar installations.

Need 12V & 24V LiFePO4 Packs for Micro Off-Grid Projects?

We also manufacture heavy-duty 12V & 24V LiFePO4 deep cycle batteries designed for light off-grid setups, small cabins, remote monitoring, and custom OEM pack requirements.

Bulk Procurement & Engineering Support

We support sample orders, volume supply, and custom OEM/ODM solutions. Submit your project requirements (application, capacity, inverter model, quantity, and delivery destination), and our engineering team will provide system selection and a quote within 24 hours.