Shop › 25x CR18505 batteries for TR4, TR4-X, RR4 and RR4-TR Image 1 of 1 25x CR18505 batteries for TR4, TR4-X, RR4 and RR4-TR $199.95 This battery is for the Next Century TR4, TR4-X, RR4, and RR4-TR transceivers. these are used with the Wireless Sub-metering Systems.Easy replacement and connection. Quantity: Add To Cart Added! This battery is for the Next Century TR4, TR4-X, RR4, and RR4-TR transceivers. these are used with the Wireless Sub-metering Systems.Easy replacement and connection.
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