Industrial and commercial facility operators consistently face shared energy headaches: costly peak demand surcharges, unstable grid power risking production shutdowns, low self-consumption of on-site solar, complicated on-site energy storage construction, and persistent safety risks from poorly integrated battery systems.
As a battery manufacturer with nearly 30 years of industrial R&D and manufacturing experience, AOKLY GROUP has launched a standardized 40ft Container Energy Storage System (CESS) with 2411.5kWh capacity. This fully pre-integrated container solution addresses the above pain points from design, safety, deployment and long-term operation dimensions, delivering stable, low-maintenance energy storage support for factories, industrial parks, commercial complexes and solar storage projects worldwide.
1. Core System Parameters
1.1 Overall System Specifications
| Item | Technical Index | Practical Value for Users |
|---|---|---|
| Total energy capacity | 2411.5 kWh | Covers large-scale peak shaving, all-day solar energy storage and 1–2 hours emergency backup for medium-to-large plants |
| Rated max discharge power | 500 kW | Matches typical industrial peak load demand |
| External container dimension | 12192 × 2438 × 2896 mm (40ft standard cube) | Standard ISO container, compatible with global sea/land transportation, no customized transport costs |
| Total weight | ≤40 tons | Meets general site foundation and hoisting requirements |
| Ambient operating temperature | -10℃ ~ 45℃ | Adaptable to most outdoor industrial areas without extra building thermal modification |
| Built-in integrated modules | 3-layer BMS, EMS environmental monitoring, bidirectional PCS, constant temperature air conditioner, full fire suppression system | One-piece delivery, no separate procurement of scattered equipment |
1.2 Battery Hierarchical Structure (Stable Cycle & Consistent Performance)
| Unit | Configuration | Voltage | Capacity | Design Advantage |
|---|---|---|---|---|
| Single LFP cell | Model LF314 | 3.2 V | 314 Ah | ≥8000 cycles at 80% DOD; low decay rate, long service life |
| Single battery pack | 1P16S series | 51.2 V | 314 Ah | Independent BMU monitoring for each pack, precise cell-level control |
| Single battery string | 15 packs in series | 768 V | 314 Ah | Managed by independent MBMS, string-level protection and balance |
| Complete battery array | 10 strings in parallel | 768 V | 3140 Ah | Unified BAMS centralized control of the whole container system |
2. Solve Your Top 4 Operational Concerns with Targeted Product Advantages
Concern 1: Safety risks of large-capacity battery energy storage
Many operators worry about thermal runaway, short circuit and fire hazards of container storage. AOKLY adopts multi-level full-link protection covering every layer:
- Cell layer: Lithium iron phosphate material with stable chemical structure, safe voltage window 2.0V–3.65V, low heat generation during charging and discharging;
- BMS monitoring layer: ±2mV single cell voltage accuracy, ±2℃ temperature detection; dual active balancing (5A intra-pack balance / 0.5A inter-pack balance) to eliminate voltage inconsistency and reduce abnormal heat;
- Whole-container environmental protection: Split industrial air conditioning maintains battery room temperature at 10–35℃; smoke/temperature sensors linked with dry powder fire extinguishers; explosion-proof lighting, lightning protection and grounding copper bars;
- Enclosure layer: Three-proof design (waterproof, dustproof, heat-insulated), IP graded power cabinet components to adapt to outdoor complex factory environments.
Concern 2: Long construction cycle and high on-site integration cost
Traditional distributed energy storage requires separate battery rooms, independent procurement of PCS, monitoring and fire-fighting equipment, plus complicated wiring and debugging, which delays project launch.
AOKLY all-in-one pre-installed container solution:
- All batteries, electrical cabinets, cooling, monitoring and fire systems are assembled, wired and fully aged tested in factory before delivery;
- On-site work only includes foundation pouring and grid connection; cuts field construction cycle by over 60% and reduces labor and engineering auxiliary costs;
- Standard container can be relocated as production layout or energy demand changes, supporting temporary power supply scenarios.
Concern 3: Inaccurate data monitoring, hard to realize peak-valley arbitrage & solar self-consumption
Poor BMS algorithm and incomplete monitoring system lead to inaccurate SOC judgment, unable to automatically charge during valley electricity prices and discharge during peak periods, lowering project revenue.
Our three-layer intelligent BMS + EMS monitoring system solves this problem:
- Hierarchical management: BMU monitors single pack, MBMS controls single string, BAMS realizes full container centralized scheduling;
- Multi-dimensional corrected SOC algorithm with 5% measurement accuracy, supporting automatic peak shaving, valley filling and solar energy storage logic;
- EMS integrates temperature, humidity and smoke monitoring; supports CAN, RS485 and Ethernet communication for remote real-time data viewing, fault recording and automatic alarm;
- Compatible with mainstream PCS models, seamless coordination with on-site photovoltaic systems to maximize self-consumption rate of green power.
Concern 4: Short battery cycle life, frequent maintenance and uncertain after-sales support
Many third-party integrators purchase generic cells and simple BMS, resulting in rapid capacity attenuation and lack of long-term technical support.
AOKLY’s integrated industrial chain advantage eliminates hidden risks:
- Self-developed LF314 LFP cells with ≥8000 deep cycles, far exceeding ordinary low-cost cells on the market, effectively extending system service life;
- Independent R&D matching BMU/MBMS/BAMS, balanced current design reduces capacity inconsistency loss year by year;
- Strict 72-hour full-load aging test for each finished container before shipment to filter out potential equipment faults;
- Global technical support team provides remote fault diagnosis and on-site maintenance training; standardized product specification documents support long-term equipment maintenance.
3. Applicable Scenarios Matching C&I Actual Demand
This 2.41MWh container energy storage fits most commercial and industrial energy management needs:
- Manufacturing factories: Reduce peak demand charges and stabilize production power supply;
- Commercial buildings, hotels and data centers: Emergency backup power to avoid losses caused by grid outages;
- Factory rooftop PV + storage projects: Store excess photovoltaic power to cut grid electricity purchase;
- Remote mines, islands and off-grid microgrids: Realize independent stable power supply;
- Grid auxiliary services: Load shifting and frequency regulation to gain additional revenue streams.
4. Why Choose AOKLY as Your ESS Supplier
Founded in 1996, AOKLY GROUP is a complete industrial chain battery enterprise covering cell R&D, pack assembly and energy storage system integration, with products serving clients across more than 150 countries.
- Vertical integration: Self-produced cells and self-developed BMS ensure system matching stability and controllable overall cost;
- Standardized and customizable: The 40ft 2.41MWh model is a mature standard product; layout, power and cooling configurations can be adjusted according to project site conditions;
- Global compliance design: Meet international transportation and grid access standards, convenient for cross-border project delivery;
- Complete technical documentation: Official V1.0 product specification sheet provided for project bidding, design and daily operation reference.
Partner with AOKLY GROUP for secure, turnkey energy storage that serves commercial and industrial clients across the globe.
