LiFePO4 | 16kWh | CE & UN38.3 Certified | 5-Year Warranty
Rack-mountable, low voltage LiFePO4 battery with smart BMS, 11,000+ cycle life, and support for up to 15 units in parallel.
A rack-mountable 16kWh low voltage battery engineered for households that demand reliable solar backup and grid independence without complicated installation.
The RAKOUR 51.2V 314Ah-LV provides 16.07kWh total energy with 14.47kWh usable capacity at 90% DOD. Operating voltage range is 46.4–57.6V, compatible with mainstream low voltage inverters including Deye, Growatt, and GoodWe out of the box.
A single unit handles most household loads. Need more capacity? Connect up to 15 units in parallel — scaling from 16kWh to 241kWh without replacing any hardware. The built-in touch color screen lets you switch communication protocols between inverter brands directly.
Manufactured by Xiamen Rakour Technology Co., Ltd., this unit carries CE, IEC62619, MSDS, and UN38.3 certifications. A 5-year product warranty backs every unit shipped, giving installers and end users a documented commitment from the manufacturer.
Precise, verified parameters pulled directly from RAKOUR factory documentation — no estimated figures.
Nominal voltage 51.2V, rated capacity 314Ah, total energy 16,077Wh. Maximum charge/discharge current 200A, maximum power output 10,240W. Charging voltage 57.6V, end-of-discharge voltage 46.4V. Discharge temperature range −20°C to 60°C; charge temperature range 0°C to 60°C.
Dimensions: 745 × 387 × 240 mm. Net weight: 105.4 kg. Protection level: IP20. Maximum operating altitude: 2,000 m. Humidity tolerance: ≤85% RH. Communication ports: CAN, RS485, RS232 — enabling direct protocol handshake with most residential inverters.
Rated at ≥11,000 cycles at standard test conditions, significantly outlasting competing units rated at 6,000 cycles. With daily cycling, that translates to over 30 years of theoretical service life. The 5-year manufacturer warranty covers defects in materials and workmanship under normal operating conditions.
Every RAKOUR 314Ah-LV unit ships with a fully integrated BMS — not an add-on — designed to protect cells and extend service life automatically.
The built-in BMS battery management system monitors cell voltage, pack current, and temperature in real time. It triggers automatic protection against overcharge, over-discharge, overcurrent, short circuit, and high/low temperature events — covering the six most common causes of LiFePO4 cell degradation.
The BMS continuously balances charge distribution across cells, preventing capacity drift between modules during parallel operation. The touch color screen displays live SOC percentage, alarm status, and pack health — readable without any external app or Bluetooth setup.
When 2–15 units are connected in parallel, the BMS automatically assigns master/slave roles and synchronizes charge/discharge states across the bank. CAN and RS485 ports allow the master unit to relay consolidated data to the connected inverter battery system with no manual configuration required.
Undersizing leads to daily cutoffs. Oversizing wastes capital. This guide maps RAKOUR 314Ah configurations to actual household load profiles.
One 314Ah unit delivers 14.47kWh usable energy. This covers a 2–3 bedroom home running essential loads — refrigerator, lighting, router, and a 1.5-ton air conditioner — for approximately 8–12 hours overnight or during a grid outage, paired with a 3–5kW low-voltage inverter.
Households with 5–15kW solar arrays and daily consumption of 25–50kWh should stack 2–5 units in parallel. This configuration supports morning-to-night solar storage cycles, reducing grid dependency by 60–80% in regions with 4+ peak sun hours.
Six or more units (96kWh+) suit off-grid cabins, farms, or small commercial sites. At maximum configuration — 15 units — total usable lithium battery storage capacity reaches 217kWh, fully supporting multi-day autonomy without generator backup in most climates.
Not all lithium batteries behave the same under heat, deep discharge, or daily cycling. The chemistry determines both safety and cost-per-cycle over the system's lifetime.
Lithium iron phosphate battery safety stems from its stable iron-phosphate bond. Unlike NMC or NCA cells, LiFePO4 does not release oxygen when damaged or overheated, eliminating the thermal runaway mechanism. RAKOUR uses this chemistry precisely because it is installable indoors without fire suppression requirements.
At ≥11,000 rated cycles, the RAKOUR 314Ah-LV outlasts sealed lead-acid batteries roughly 20× and standard NMC lithium packs by 1.5–2×. Running one full cycle daily, that equates to over 30 years before capacity drops below 80% — a decisive total cost-of-ownership advantage.
Discharge works from −20°C to 60°C; charging from 0°C to 60°C. This operating range supports installations in cold-climate garages and high-temperature rooftop enclosures without derating, where NMC chemistry would require active thermal management.
Physical setup, communication wiring, and inverter protocol configuration — covered step by step based on RAKOUR's factory installation documentation.
The 314Ah-LV supports stacked sheet metal installation and battery cabinet installation. For stacked mounting, install sheet metal corners on each unit, align with limit holes, and stack bottom-to-top. Minimum 300 mm clearance on all sides is required for ventilation; 20 mm spacing between stacks is mandatory.
Connect RS485-2 parallel ports between units using supplied communication cables. The BMS auto-assigns master/slave roles. Parallel battery banks must use identical RAKOUR modules — never mix different capacity units in the same bank to prevent cell imbalance and BMS communication faults.
Use the built-in touch screen to select CAN or RS485 communication protocol matching your inverter brand. Compatible protocols include Deye, Growatt, GoodWe, LuxPower, and Sofar Solar. No external software or laptop is required — protocol switching takes under two minutes directly on the unit.
Certificates printed on a spec sheet mean nothing without understanding what tests they required. Here is what RAKOUR's certifications confirm about this specific product.
CE marking confirms compliance with EU low-voltage and electromagnetic compatibility directives for residential equipment. IEC62619 — the international safety standard specific to stationary lithium iron phosphate battery safety solar storage systems — validates cell abuse tolerance, BMS protection thresholds, and enclosure integrity under fault conditions.
UN38.3 certification requires the battery to pass eight sequential stress tests — altitude simulation, thermal shock, vibration, shock, short circuit, impact, overcharge, and forced discharge — before approval for international air and sea freight. The MSDS documents all chemical components for customs, installers, and emergency responders.
The 314Ah-LV carries RoHS compliance, confirming the product contains no lead, mercury, cadmium, or other restricted substances. This matters for installations in regions with strict environmental disposal regulations and is a standard requirement for European residential certification programs.
A 5-year warranty is only valuable if the response process is clear. Here is exactly what RAKOUR's warranty covers and how the after-sales system works.
Every RAKOUR 314Ah-LV ships with a 5-year manufacturer warranty covering defects in materials, workmanship, and BMS firmware under normal operating conditions. This includes cell capacity failures, communication port faults, and touch screen malfunctions. Physical damage caused by improper installation or installation outside specified environmental limits is excluded.
The RAKOUR 314Ah-LV supports firmware updates via the RS232 upper computer port. RAKOUR's technical team can diagnose communication faults and BMS alarm logs remotely using exported data files — avoiding unnecessary unit returns. Full documentation, including wiring diagrams and protocol tables, is available for download from authorized distributors.
RAKOUR maintains spare BMS modules, communication cables, and power cables as serviceable components. Authorized dealers can order replacement parts independently. This ensures that a single faulty component does not require full unit replacement, protecting the installer's service margins and the end user's investment across the warranty period.
Get straight answers to the most common technical and purchasing questions about this system.
The RAKOUR 314Ah-LV delivers 14,469Wh (14.47kWh) of usable energy at 90% depth of discharge. Total rated energy is 16,077Wh. Running a typical home drawing 1.2kW average load, one fully charged unit provides approximately 12 hours of continuous backup power without grid input.
The RAKOUR 314Ah-LV is rated ≥11,000 cycles — roughly 30 years at one cycle per day before capacity drops below 80%. Standard NMC lithium batteries typically rate 3,000–6,000 cycles. Sealed lead-acid batteries average 500–800 cycles. LiFePO4 delivers the lowest cost-per-cycle of any residential chemistry currently available.
Yes. The built-in BMS communicates via CAN and RS485 ports, with protocol support for Deye, Growatt, GoodWe, LuxPower, Sofar Solar, and other major brands. Protocol selection is done directly on the touchscreen — no laptop or external software needed. Confirm your specific inverter model with RAKOUR's technical team before ordering.
Connect up to 15 identical 314Ah-LV units via the RS485-2 parallel port using supplied cables. All units must be the same model and capacity — mixing different RAKOUR models in one bank is not supported. Maintain at least 20mm spacing between stacked units and 300mm clearance on all sides for ventilation and heat dissipation.
The RAKOUR 314Ah-LV holds CE, IEC62619, UN38.3, MSDS, and RoHS certifications. IEC62619 specifically covers stationary lithium battery safety for residential use. The LiFePO4 chemistry eliminates thermal runaway risk. The unit is rated for indoor installation without fire suppression systems, subject to local electrical codes and proper grounding.
Tell us your load requirements and site details — our team will respond with a tailored configuration and competitive factory pricing within 24 hours.
