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+

Tiefenzyklen

30+

Compatible Inverters

OEM

Available

APP

Smart Monitor

Zero

Wartung

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.)

15kwh stapelbare Batterie
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 Lithium-Batterie
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.

Gestellmontierte Lithium-Batterie
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.

Stapelbare Hausbatterie
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 Batterie mit Wechselrichter
HVC36-ESS

144.7–253.2kWh, IP54 Commercial & Industrial Battery Cabinet

Off-Grid Operating Scenarios

Stapelbarer LiFePO4-Heimspeicher für Notstrom
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.

Lithium-Batterie-Zertifizierung

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:

25,6-V-Lithium-Batterie-Kraftstation mit 5-kW-Wechselrichter 03
Portable Power Station Series

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

45kwh Lifepo4 Batterieladung 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.