Isothermal Battery Calorimeter - P

Cell format: Prismatic (small)

Measure heat release under isothermal conditions during charge/discharge protocols. Designed for small prismatic cells

Isothermal Battery Calorimeter - P

The IBC-P provides accurate and easy testing of heat output from charging and discharging a single battery.

Heat occurring during the charging and discharging of batteries is largely due to their internal impedance. Characterisation of this heat at different operating temperatures is vital for efficient thermal mangement of cells in packs or modules.

Isothermal calorimeters have higher sensitivity that adiabatic calorimeters. Their temperature range is limited and they are not appropriate for safety abuse testing when battery disintegration or high temperatures may result.

Cell format: Prismatic Small

Study battery

  • Stability
  • Performance
  • Efficiency
  • Life cycle

Quantify heat release...
under applied load conditions with connection to external cycler.

Measure change of heat release with...

• Chemistry modification • Applied load
• Size and shape • State of charge
• Environmental temperature • Age


  • Accomodate battery sizes up to 100 x 150mm; depth 20mm
  • Temperature range, tailored to automotive operating requirements (-5 to 60°C)
  • Accurate heat measurement down to 1mW over temperature range
  • Wide dynamic range up to 10W
  • Windows based control software, USB connection


Heat generated along with current data during three minute discharges on a prismatic battery at 20°C


Max Temperature (°C)                                 60
Min Temperature (°C)                                 -5
Temperature Stability (°C)                           0.01

Refrigerated recirculator required                 Yes

Calorimeter chamber diameter (mm)            100 x 150 
Calorimeter chamber depth (mm)                 20

Number of sample chambers                        1
Number of reference chambers                     0

RMS Noise                                                1 mW
under controlled ambient conditions
Max heat detection                                     10 W

Inegrated Cycler                                          No
Min Current                                                 Defined by cycler
Max Current                                                50 A
Current resolution                                        Defined by cycler
Internal wiring (force)                                    4 ga (5.2mm)
Internal wiring (sense)                                  20 ga (0.8mm)

Heat capacity measurement capability          Yes

Heat cut out                                                Yes

N2 Purge                                                     Yes

External cycler terminals                              Yes

Footprint (Width x Height x Depth)                 10 x 12 x 16 inch
                                                                   25 x 30 x 41 cm

Weight                                                         24 lbs
                                                                   11 kg

 *Specification above subject to change

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Isothermal Battery Calorimeter (IBC)
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