30028 Replacement Lithium Battery


The 30028 is a 3.6 Vdc, 2.4 Ah, AA size cell. 

The 30028, manufactured by Tadiran, fits inside some Campbell Scientific data loggers. This lithium battery powers the clock and SRAM when external battery power, a charging source, or a USB power source is not connected.

The 30028 needs to be periodically replaced. Users can replace the battery by following the process illustrated in the operator's manual for the data logger.



Nominal Capacity 2.4 Ah
Rated Voltage 3.6 V
Operating Temperature Range -55° to +85°C
Li Metal Content ~0.65 g (~0.023 oz)
U.L. Component Recognition MH 12193
Volume 8 cm3 (0.49 in.3)
Weight 18 g (0.635 oz)


This battery is compatible with the CR6 Measurement and Control Datalogger.

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