High-Altitude Low-Pressure Simulation Test Chamber for Battery

Battery cells inside battery packs are normally sealed under standard atmospheric pressure. Under normal conditions, the internal and external pressures remain balanced. However, when a battery pack is used in high-altitude areas, the atmospheric pressure decreases as altitude increases, resulting in a larger pressure difference between the inside and outside of the battery. Under such conditions, safety risks such as electrolyte leakage may occur.

The High-Altitude Simulation Test Chamber is designed to simulate the low atmospheric pressure environment at high altitudes to evaluate the safety performance of battery packs under such conditions. It is a specialized testing instrument for power battery packs and systems, making it an ideal choice for lithium battery manufacturers, electric vehicle manufacturers, and scientific research & testing institutions.

System Composition

The simulation test chamber is composed of:

• Chamber structural body
• Vacuum pumping system
• Measurement and control system
• Pressure relief system
• Video monitoring system
• Safety protection system

Specifications

Product Name	High-Altitude Low-Pressure Simulation Test Chamber for Battery
Test Space	W2000 * D3000 * H2000 mm
Inner Chamber Material	Q235B steel plate, thickness ≥10 mm, reinforced with Q235B structural steel
Battery Pack Placement	Battery pack placed directly on the chamber floor using a forklift; floor load capacity ≥2000 kg.
Outer Chamber Material	Cold-rolled steel plate with anti-corrosion coating
Pressure Range	8.0 kPa to atmospheric pressure (adjustable)
Pressure Control Accuracy	0.1 kPa
Vacuum Pumping Time	From atmospheric pressure to 11.3 kPa ≤ 30 min
Pressure Recovery Time	< 10 min
System Sealing Performance	Pressure leakage ≤1 kPa within 30 minutes
High-Voltage Terminals	2 sets, total 4 terminals, rated 400A / 1000V DC, with numbered identification to prevent wrong connection
Low-Voltage Terminals	2 sets, total 4 terminals, rated 20A / 60V DC, withstand up to 400A / 1000V DC, with numbered identification
Data Cable Interfaces	2 sets, 8-core cables
Observation Window	Double-layer thickened tempered explosion-proof glass; prevents safety accidents caused by glass breakage under vacuum. Window size: W400 * H400 mm
Chamber Door	(1) Size: approx. W2300 * H2300 mm (2) Manual door with heavy-duty hinges and planar thrust bearings for low-friction operation (3) Equipped with two sets of linkage compression locks for easy manual operation
Video Camera	1 surveillance camera installed outside the observation window
Lighting	1 explosion-proof LED light, suitable for high & low temperature environments, 50W
Product Dimensions	W2400 * D3300 * H2800 mm
Product Weight	Approx. 6 tons
Power Supply	AC220V/50Hz, or AC110V/60Hz
Air Source	≥0.6 MPa
Exhaust Pipe	Outer diameter φ60 mm

Installation Requirements

1. Floor load capacity ≥1500 kg/m² 

2. Laboratory space ≥ W6500 × D5000 × H4500 mm 

3. Laboratory lighting ≥200 lux 

4. The laboratory must be equipped with a compressed air supply 

5. Laboratory must be equipped with a smoke exhaust pipeline