Microgrid & Off-Grid Solar System Battery Solutions for EPC Contractors
When Does Your Project Need an Off-Grid Solar System?
Not every project has a reliable grid to fall back on. For EPC contractors and system integrators working in remote industrial parks, island communities, mining operations, or telecom infrastructure across Southeast Asia, Africa, and Latin America, grid access is either unavailable or too unstable to depend on.
In these environments, a purpose-built off-grid solar system paired with a proven battery storage solution is the only viable path to uninterrupted power.
Remote Sites With No Grid Access
Locations beyond utility reach — offshore platforms, highland mining camps, rural agri-processing facilities — require fully self-sufficient power. Rakour's LiFePO4 battery systems are designed for exactly these deployments.
Grid-Tied Locations With Unreliable Power
Where the grid exists but voltage fluctuations and frequent outages make it unreliable, a hybrid BESS acts as a buffer — absorbing instability and keeping operations running without interruption.
Hybrid Systems Pairing Solar and Diesel Generators
For sites that already run diesel, Rakour batteries integrate directly as an energy storage system with diesel generator setups, reducing runtime hours, cutting fuel costs, and extending generator lifespan.
Our High Voltage Solar Battery Storage Products
C&I HV-51.2V 314Ah
256 – 716.8 V | 5–14 modules
C&I HV-51.2V 200Ah
≥ 6,000 cycles
Three BESS Architecture Types: Which Fits Your Project?
Choosing the wrong topology before procurement is one of the most costly mistakes in energy storage project planning. Rakour supports all three mainstream microgrid configurations, so your design can match the site — not the other way around.
Grid-Tied Microgrid (DC Coupled)
In areas where microgrids and energy storage work alongside an existing utility connection, a DC-coupled setup minimises conversion losses and maximises solar self-consumption. Rakour's LV series (46.4–57.6V) pairs cleanly with standard hybrid inverters for this topology.
AC Coupled Design for Islanded Microgrids
An AC coupled design solar BESS suits sites where generation and storage are installed separately or retrofitted. Rakour's HV series operates from 232V to 979V, supporting high-power islanded systems without additional step-up hardware.
Pure Off-Grid: Standalone System Design
For fully isolated sites, Rakour's modular architecture lets EPC engineers scale from a single cabinet to multi-unit arrays — matching exact load requirements without oversizing.
Why LiFePO4 Battery Is the Only Choice for Off-Grid Projects
When there is no grid to recover from a failure, battery chemistry stops being a spec-sheet comparison and becomes a project risk decision. Rakour's LiFePO4 battery systems are built specifically for environments where reliability is non-negotiable.
LiFePO4 Battery Life: 6,000–11,000 Cycles at 90% DOD
Across Rakour's product range, cycle life runs from ≥6,000 cycles on the 100Ah and 200Ah models to ≥11,000 cycles on the 314Ah series — all rated at 90% DOD. For an off-grid site cycling once daily, that translates to over 16 years of usable lifepo4 battery life before capacity drops below threshold.
Operating Temp Range: −20°C to 60°C for Harsh Environments
The operating temp of Rakour's LiFePO4 modules covers discharge from −20°C to 60°C — handling desert heat and highland cold without derating. No climate-controlled enclosure required for most deployments.
Zero Maintenance and Low Self-Discharge for Remote Sites
Rakour batteries can be stored up to 12 months at ≤25°C without recharging, making them practical for sites with infrequent maintenance visits.
Scalable Server Rack Battery: From 40 kWh to MWh-Scale
Off-grid projects rarely have a fixed load. Rakour's HV rack architecture is designed so EPC contractors can right-size at installation and expand without replacing existing hardware. Two models anchor the range for commercial and industrial deployments.Rakour's LV server rack battery line covers 100Ah (5.1 kWh) through 314Ah (16.1 kWh) per unit. Connecting up to 15 units in parallel pushes usable capacity to over 240 kWh from a single string — sufficient for most commercial off-grid loads without high-voltage infrastructure.
51.2V 200Ah HV: 40.96–102.4 kWh Per Cabinet, 4 Cabinets in Parallel
The 51.2V200Ah-HV server rack battery configures 4 to 10 modules in series, delivering 40.96 kWh to 102.4 kWh per cabinet at nominal voltage from 204.8V to 512V. With up to 4 cabinets in parallel, a single 200Ah HV installation reaches 409.6 kWh usable — suitable for medium-scale commercial off-grid loads. Maximum discharge current is 100A per cabinet.
51.2V 314Ah HV: 80–225 kWh Per Cabinet, Higher Power Output
The 51.2V314Ah-HV scales from 5 to 14 modules in series, covering 80.38 kWh to 225.08 kWh per cabinet across operating voltages of 232V to 717V. Maximum discharge current reaches 200A, making this the preferred choice for high-power off-grid applications. Four cabinets in parallel push total usable capacity to over 900 kWh at 90% DOD.
Building an Off-Grid Battery Bank: Sizing Guide for EPCs
When configuring an off-grid battery bank, Rakour recommends calculating daily load (kWh) ÷ 0.9 DOD to determine minimum installed capacity — then applying a 1.2 safety factor for autonomy days. Both HV models ship with BCU and integrated BMS for plug-in commissioning.
Battery Management System and Off-Grid Inverter Compatibility
Integration failures during commissioning cost EPC contractors time and project credibility. Rakour addresses this upstream, at the hardware and protocol level.
Built-In LiFePO4 Battery Management System: CAN, RS485, WiFi
Every Rakour unit ships with a fully integrated lifepo4 battery management system supporting CAN and RS485 communication via RJ45. The BMS dynamically controls charge/discharge current and cut-off voltage based on real-time cell temperature and voltage — no third-party BMS controller required. RS232 provides an additional port for PC-based configuration and spec modification on site.
Compatible Off-Grid Inverters: Deye, SMA, Growatt and More
Rakour batteries carry verified wiring and protocol guides for Deye (29.9K–80K series), with lithium mode and parallel BAT1/BAT2 configurations documented step by step. The same CAN/RS485 framework supports most mainstream off-grid inverters without firmware workarounds.
Seamless Grid/Off-Grid Switching in Under 10ms
Rakour's HV series supports VSG application and island protection monitoring, enabling sub-10ms transition between grid-tied and off-grid modes — critical for loads that cannot tolerate interruption.
Certifications That Get Your Off-Grid BESS Project Approved
Importing uncertified batteries leads to customs holds, insurance voids, and project delays. Rakour's product range ships with the documentation needed to clear most international markets at point of entry.
Global Certifications: CE, IEC62619, UN38.3, MSDS, RoHS
Across the Rakour lineup, certifications include CE (EU market access), IEC62619 (international electrochemical safety standard), UN38.3 (air and sea transport compliance), MSDS (chemical safety data for customs), and RoHS (hazardous substance restrictions). The 51.2V200Ah-LV and NSTLV-16K models additionally carry IEC62619, making them the preferred choice for EU-bound projects requiring the full certification stack.
IP Ratings and Altitude: Designed for Outdoor Deployment
The NSTLV ground-wheel series achieves IP54 — dust-tight and splash-resistant — while rack and HV cabinet models carry IP20 for indoor installations. All units are rated for operation at altitudes up to 2,000m.
Compliance for Hybrid Battery Storage Systems With Diesel
For projects combining solar BESS with diesel generation, Rakour's certified documentation package covers the battery storage system with diesel generator configurations required by most local grid codes and insurance underwriters.
Factory-Direct OEM Supply: Your Competitive Edge as a Distributor
Working through trading companies introduces an invisible risk: inconsistent batch quality, untraceable cell origins, and no one accountable when something fails in the field. Rakour is a manufacturer — every unit ships directly from our Xiamen facility with documented production traceability.
Grade A LiFePO4 Cells: Traceable, Tested, Guaranteed
OEM and ODM Customization for Your Brand
MOQ, Lead Times, and Factory Acceptance Testing
After-Sales Support: Warranty, Remote Monitoring, and Spare Parts
For off-grid deployments, distance makes after-sales support a project-critical factor — not an afterthought. Rakour builds the support infrastructure into the product itself, reducing dependency on costly on-site visits.
5-Year Warranty With Capacity Retention Guarantee
Every Rakour battery carries a 5-year manufacturer warranty covering cell performance and BMS function. Given cycle lives of 6,000–11,000 times at 90% DOD, the warranty period represents only the early portion of the battery's operational lifespan — distributors can confidently communicate long-term ROI to end customers.
WiFi Remote Monitoring and OTA Firmware Updates
Rakour units with the optional built-in WiFi module allow operators to remotely monitor real-time SOC, cell voltage, current, and temperature via mobile app — and push firmware upgrades over the air without dispatching a technician. Parameter modification is also supported remotely.
Server Rack Battery Backup: Spare Parts and SLA Response
For server rack battery backup configurations, Rakour maintains component availability and provides authorised-dealer escalation paths for non-standard faults — complete technical documentation ships with every unit to support local service teams.
Frequently Asked Questions About Rakour Microgrid & Off-Grid BESS
Got questions before specifying Rakour batteries for your next off-grid or microgrid project? These answers cover the technical, commercial, and compliance details EPC contractors and distributors ask most.
What is the actual lifepo4 battery life when cycling daily at 90% DOD?
What is the operating temp range for Rakour LiFePO4 batteries in harsh outdoor environments?
How do I build an off-grid battery bank using Rakour server rack batteries?
Is Rakour's lifepo4 battery management system compatible with Deye and other off-grid inverters?
Does Rakour's battery storage system with diesel generator configurations meet international compliance requirements?
Get Your Off-Grid Solar System or Microgrid BESS Quote From Rakour Today
Factory-direct LiFePO4 batteries for EPC contractors and distributors. CE & IEC62619 certified. OEM available. Request a quote.