Product Description Related Products Total Price: Add to Cart Please choose options for all selected products This Item: BP8381MH Battery for M/A-COM M-RK I 7.5v MSRP: $41.60 (You save ) Product Description BATTERY FOR M/A-COM M-RK I - 7.5V / 1500 mAh / NiMH Also Fits: M-RK II, Comnet. Japanese cells.