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Cabinet Air Conditioner For Outdoor Battery Storage
Thermal management for Li‑ion and lead‑acid battery enclosures · explosion‑proof sensor suite · low‑voltage 24V/48V DC input
1800 W Cooling @ 35°C ambient
24V/48V Dual DC input (auto‑select)
IP66 Water / dust ingress protection
R1234yf Low‑GWP refrigerant (GWP 4)
Cooling capacity1800 W ± 5%
Operating range-30°C ~ +55°C
DC input options24V DC / 48V DC (auto)
Max current (48V)22 A
RefrigerantR1234yf (GWP 4)
Enclosure ratingIP66 / NEMA 4
Dimensions820 × 540 × 280 mm
This air conditioner is purpose‑built for outdoor battery storage containers, providing precise temperature control to extend the service life of Li‑ion and advanced lead‑acid battery banks. The unit delivers 1800W of cooling at 35°C ambient, with an inverter‑driven DC compressor that accepts either 24V or 48V battery bus inputs through an auto‑selecting power module.
The system incorporates a hydrogen‑safe sensor suite that continuously monitors gas concentration and triggers ventilation mode if levels exceed 1% LEL. The controller uses battery temperature‑based setpoint compensation, reducing cooling output when the battery is in a low‑charge state to conserve energy. All internal electronics are conformally coated to resist corrosion from acid vapor.
Core Features
Auto‑Selecting DC Input
Accepts 24V (18–32V) or 48V (42–60V) DC without manual configuration. Built‑in buck‑boost converter maintains stable internal voltage during battery voltage fluctuations.
Hydrogen & Gas Detection
Integrated electrochemical sensor for H₂ and CO monitoring. Triggers exhaust fan and audible alarm at preset thresholds. Sensor self‑calibrates every 72 hours.
Inverter DC Compressor
Variable speed 25–75 Hz with soft‑start. Maintains consistent cooling across battery voltage sag. Includes automatic low‑voltage cut‑off to protect the battery bank from deep discharge.
Temperature‑Based Compensation
Controller reduces setpoint differential based on battery state‑of‑charge. When SOC drops below 40%, the unit prioritizes battery protection by limiting compressor speed to 60%.
Coastal‑Grade Construction
Type 316 stainless steel enclosure with multi‑layer powder coating (≥120µm). All fasteners are A4‑80 grade. Condenser fins coated with anti‑corrosion polymer.
Communication Suite
Modbus RTU and CAN bus interface. Supports battery management system (BMS) integration for coordinated thermal and electrical protection. Remote firmware update capability.
Technical Specifications
Full Specification Data
| Cooling capacity (35°C ambient) | 1800 W ± 5% |
| Operating temperature range | -30 °C ~ +55 °C |
| DC input voltage (auto‑select) | 24V (18–32V) · 48V (42–60V) |
| Max. current (24V / 48V) | 44 A / 22 A |
| Standby power (heater off) | 5 W |
| Refrigerant / charge | R1234yf / 380 g (A2L) |
| Enclosure rating | IP66 (IEC 60529) / NEMA 4 |
| Sound pressure (1m) | 56 dB(A) @ 25°C |
| Evaporator airflow | 550 m³/h |
| Gas detection | H₂ (0–4% LEL) · CO (0–500 ppm) |
| Dimensions (H × W × D) | 820 × 540 × 280 mm |
| Weight | 46 kg |
| Communication | Modbus RTU · CAN bus 2.0B |
Common Questions
Q: Why is gas detection important for battery storage?
Li‑ion batteries can vent hydrogen and carbon monoxide during thermal events. The sensor suite provides early warning and initiates protective ventilation before concentrations reach hazardous levels.
Q: Can this unit operate during a battery discharge?
Yes. The auto‑selecting DC input allows operation directly from the battery bus. The low‑voltage cut‑off protects against over‑discharge, with configurable thresholds for different battery chemistries.
Q: How does temperature compensation work?
The controller adjusts cooling output based on both ambient and battery temperature. This prevents overcooling during low‑load periods and reduces energy consumption by up to 25%.
Q: What maintenance is required for the gas sensors?
Sensors have a typical lifespan of 5 years. Annual calibration using a reference gas kit (supplied) is recommended. The system logs sensor drift and alerts when calibration is due.
Q: Is the unit suitable for both indoor and outdoor mounting?
Yes. The IP66 enclosure with 316 stainless steel construction makes it suitable for outdoor exposure, including coastal and industrial environments with moderate chemical exposure.
Q: Can the unit be integrated with a battery management system?
Yes. The CAN bus interface uses the standard CANopen protocol for BMS integration. The unit can receive charge/discharge status and adapt cooling accordingly.
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CUSTOM ISO 9001 · CE Certified
Shanghai Soouney Refrigeration Equipment Co., Ltd.
A large-to-medium-sized high-tech enterprise integrating R&D, production and sales. Upholding "integrity, quality, service and innovation" — delivering reliable cooling solutions to the world.
11+
Export Countries
200+
Projects Delivered
19+
Years of Innovation
100%
Client Satisfaction
2007
Engineering Excellence in Refrigeration
Shanghai Soouney was founded with a vision to become a leading force in the refrigeration industry. We are China Cabinet Air Conditioner For Outdoor Battery Storage Manufacturers and Custom Cabinet Air Conditioner For Outdoor Battery Storage Suppliers. Today, we are a renowned brand in cabinet air conditioners and industrial chillers, recognised by professionals worldwide.
Rooted in the Chinese market, we provide reliable refrigeration solutions to clients across the globe — from standard products to professional customisation.
From standard products to professional customization — we deliver precision cooling.
R&D Driven
High starting points, stringent standards — continuous innovation
Integrity & Trust
Long-term partnerships built on transparency and after-sales support
Certified Quality
ISO 9001, CE, and industry-specific approvals across all lines
Global Mindset
Serving 40+ countries with tailored refrigeration solutions
"We don't just cool equipment — we build trust, one project at a time."
Why Soouney
Driven by Quality & Innovation
Committed to delivering excellence through continuous improvement and customer-centric solutions.
R&D Focus
High starting points, stringent standards — continuous product improvement
Integrity & Service
Long-term partnerships built on trust, transparency and after-sales support
Global Presence
Rooted in China, serving worldwide with reliable refrigeration solutions
Certified Quality
ISO 9001, CE, and industry-specific approvals for all product lines
