Product Description Related Products Total Price: Add to Cart Please choose options for all selected products This Item: BP8381-1 Battery for M/A-COMM-RKI 7.5v MSRP: $69.40 $46.27 (You save $23.13 ) Product Description BP8381-1 Battery for M/A-COMM-RKI 7.5v BATTERY FOR M/A-COM M-RK I - 7.5V / 1000 mAh / NiCd Also Fits: M-RK II, Comnet.