Batteries / BP24
BP24 24 Ah 12 V Sealed Rechargeable Battery


The BP24 is a rechargeable 12 Vdc, 24 Ah battery pack that can power a Campbell Scientific system. It is intended for high-current-drain systems, such as satellite transmitters, that require more power.

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Detailed Description

The BP24 requires a regulated charging source (provided by the CH150 or CH200 regulator connected to an unregulated solar panel or a wall charger). The BP24 includes a 24 in. attached cable that terminates in a connector for attaching the battery to a CH150 or CH200 regulator. The BP24 also comes with a 24 in. cable for use with the CR6 datalogger or other products that need a pigtail termination instead of a white connector. (This cable is bagged and taped to the battery.) Switching the standard cable for the pigtail cable is easily accomplished by the user. The BP24 is shipped with a bracket that secures the BP24 to an enclosure backplate. An ENC16/18 enclosure is recommended.


-NOTE- Usable length of the red and black power leads extends at least 20 cm (8 in.) past the white cable tie tab.
Battery Type Sealed lead acid (SLA)
UL Approval File Number MH16464
Output Voltage 12 Vdc
Nominal Rating 24 Ah
Battery Cables Length 0.6 m (2 ft)
  • 16.5 x 17.5 x 12.5 cm (6.5 x 6.9 x 4.9 in.) for battery only
  • 21.3 x 17.7 x 13.0 cm (8.4 x 7.0 x 5.1 in.) battery with mounting bracket
Weight 10.2 kg (22.4 lb)


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

Mounting Equipment

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Frequently Asked Questions

Number of FAQs related to BP24: 12

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  1. No. The CH100 is designed to charge a 12 Vdc battery pack, not a 24 Vdc battery pack.

  2. The BP24 should never be connected directly to an unregulated solar panel. A voltage regulator, such as the CH100, must be included in the circuit, or damage to the battery will occur.

  3. The discrepancy is not a mistake—the bracket is intentionally designed to be shorter than the battery. When mounted inside an enclosure, the back of the battery rests against the mounting grommets. The lid to the mounting bracket compresses the battery slightly, holding the battery firmly in place.

  4. Yes. The BP24 Mounting Bracket is available as pn 10073. It may be necessary to purchase four pn 505 screws and four pn 6044 grommets to mount the bracket to the enclosure’s backplate.

  5. Check with the airline. Mention that the BP24 is a sealed, valve-regulated VRLA AGM battery.

  6. Campbell Scientific recommends keeping the BP24 in an enclosure to protect the terminal from rain and condensation that could short out the battery.

  7. Data loggers require stable power supplies to work properly, such as the BP24. If the system is needed for a long-term application, recharge the battery frequently, or recharge it daily with a solar panel of the appropriate size.

  8. We do not offer a battery test kit. However, the CH200 charge regulator does have some features that could aid in discovering a bad battery, such as the ability to measure amperage into and out of the battery. Campbell Scientific recommends taking a voltmeter into the field to verify the battery voltage at different points to see if a dirty or corroded connection is causing a voltage drop in the system.

  9. Not quite. The PS24 consists of a 24 Ah battery, a CH100 regulator, and a 10 by 12 in. environmental enclosure. Aside from the enclosure, the PS24 is very similar to a BP24 combined with a CH100.

  10. Yes. Contact Campbell Scientific for a copy.

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