This product is no longer available and has been replaced by: 18860. Some accessories, replacement parts, or services may still be available.

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The 519 provides the 6-V, 2.5-Ahr sealed rechargeable battery used to power our CR7, 21XL, and CR21 dataloggers. Two batteries are typically wired in series to provide a 12 V, 2.5 Ahr supply.