Battery Hot/Cold Testing

Testing the limits of quality

Battery Hot/Cold Testing

These are some models from ESPEC's product line for hot and cold testing of secondary lithium-ion batteries. These models may require safety modifications to suit your testing needs.

  • IEC 62133 - Temp cycling: 75 to 20 to -20°C (30 min. transitions)
  • IEC 61960 - Discharge performance at 20°C and -20°C
  • UL 1642 - Temp cycling: 70 to 20 to -40 °C (30 min. transitions)

Protection Options

Battery Test Safety Options

  • (1) -Chamber ventilation blower with vent port - Ventilation purges chamber with ambient air, activated by a gas monitoring system
  • (2) -Spark resistant construction - Fan blades, motor port, and sheathed heaters are all spark resistant
  • (3) -Gas monitor systems (H2 and/or CO) - Monitors the chamber workspace for hazardous gas, includes an alarm and light
  • (4) -Nitrogen purge with vent port - Purges nitrogen into chamber to reduce the oxygen content of the workspace air
  • (5) -Electromagnetic door lock - Prevent operator access during operation (500 lbs. of holding force)
  • (6) -Reinforced door latch - Designed to withstand pressure increase due to explosion
  • (7) -Pressure relief blow-out port - Quickly relieves pressure inside of chamber
  • Fire detection system with vent port - Detects fire and shuts down the chamber, includes an alarm and light
  • Product overheat with product sensor - Protects test load from temperatures that are higher than desired
  • Chamber door switch - Inhibits chamber operation if chamber door is open
  • Product drip tray - Removable/replaceable tray to contain any corrosive leaks

These models offer a wide range of safety modifications to suit your safety requirements. Please let your ESPEC salesperson know that you will be testing batteries.

Note: Chambers for hot/cold testing are also suitable for heat-only tests.

Battery Hot/Cold Testing Model Comparison

Model / Link Interior Dimensions
(W x D x H)
Interior Volume Temperature Range Humidity Control Change Rate
BTZ-175 19.6" x 11" x 12" 1.5 cu. ft. -70 to 180°C No up to 5°C/min.
BTU-133 19.6" x 11" x 12" 1.5 cu. ft. -20 to 180°C No up to 2°C/min.
BTZ-475 19.6" x 15" x 23.6" 4 cu. ft. -70 to 180°C No up to 2.75°C/min.
EPZ-2H 19.7" x 23.6" x 29.5" 8 cu. ft. -70 to 180°C No up to 6°C/min.
EPZ-3H 23.6" x 31.5" x 33.5" 14 cu. ft. -70 to 180°C No up to 5°C/min.
EPZ-4H 39.4" x 35.5" x 39.4" 32 cu. ft. -70 to 180°C No up to 6°C/min.
Click model number for details, including metric & english units.

Get quick pricing on Battery Hot/Cold Testing Chamber Models

Please complete all fields to ensure a fast response.

Price quotes include:
  • Pricing for unit, options, freight, and install/start-up
  • Current lead-time or stock status
  • Related documents: brochure, detailed specifications, drawing
  • Contact information for your local sales representative

Quotes are sent by the next business day for standard models shipping to North America. Complete all form fields to ensure a fast response.

Contacting ESPEC

Call Sales:

877-463-7732 or
+1 616-896-6100 (8-5 EST)
Find & call your local sales rep

Product Support:

+1 616-896-6170 (8-5 EST)
Denver/Qualmark: +1 303-254-8800
Support request form

You have been redirected from to

Qualmark and its product line is now a part of ESPEC North America.
Read the details: ESPEC North America Inc. and Qualmark Corporation Merge (Jan. 2018)