Batteries / BPALK
BPALK 7 Ah 12 V Alkaline Battery Pack with Backup Pack
Power Supply for Data Loggers
Also used as a separate auxiliary supply for remote sensors or peripherals
weather applications water applications energy applications gas flux and turbulence applications infrastructure applications soil applications


You can use the BPALK alkaline battery pack to power your CR800, CR850, CR1000X, or CR3000 dataloggers, and their peripherals. You can also use it as a separate auxiliary 12 V power supply to power remotely located sensors or peripherals. The system must have a common ground.

The BPALK consists of eight replaceable D-cell alkaline batteries, battery connectors, and a temporary 12 V AA alkaline battery pack used during D cell replacement. The temporary battery pack requires eight AA-cell batteries (not included).

Read More


Detailed Description

Alkaline batteries are not rechargeable, and their Amp hour ratings decrease with temperature extremes. Alkaline batteries may leak when used outside the temperature range of -25° to +50°C, or when the battery voltage drops below 9.6 V.


Battery Type Alkaline
Nominal Rating 7.5 Ah (@ 20°C)
Batteries Needed 8 not-rechargeable alkaline D cells (included)
Output Voltage 12 Vdc
Operating Temperature Range -25° to +50°C
  • 15.2 x 7.4 x 8.0 cm (6.0 x 2.9 x 3.2 in.) without connectors and mounts
  • 18.1 x 7.4 x 8.0 cm (7.1 x 2.9 x 3.1 in.) with connectors and mounts
Weight 1.8 kg (4 lb)


Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR9000 (retired)
CR9000X (retired)

Mounting Equipment

Product Compatible Note

Additional Compatibility Information

Enclosure Considerations

A desiccated, non-condensing environment is required. The BPALK includes built-in keyhole flanges for mounting to the backplate of a Campbell Scientific enclosure.

Frequently Asked Questions

Number of FAQs related to BPALK: 1

Listed Under

Replacement Part for the following products:
This Product Replaced

Privacy Policy Update

We've updated our privacy policy.  Learn More

Cookie Consent

Update your cookie preferences.  Update Cookie Preferences