I did post on this before easter, but seems a moderator had to approve post but never did.. I stand corrected, never realised batteries were still available, we resorted to button cells taped together (as you said) think part num was Varta377..If you still intend to go ahead with this I suggest...

Hi..I stand corrected, did not know you can still obtain batteries...we used to join button cells together as you said...think the Varta part number was V377, but not certain...the link looks right battery...I suggest before you go too far, you see if there is a LR dealer close to you who can...

Hi again...just been thinking about this while having evening meal (sad or what)...best approach would be to open up remotes and see what condition they are in...if it,s an early issue batts may have burst and rotted insides away or batt springs...if made in 1989 first issue, never been used...

Hi...these were made by Conlog S/Africa in response to insurance coms demand for a better alarm (so many early discos.def stolen)..fitted to both from 1980 /1998, very few fitted, you can go into a established LR dealer and they will not even know what it is..easy to fit as long as you have all...

A good tip here is to remove the rocker gear complete, most discos bend all push rods or bend rocker arms, very rarely any engine damage...take out glow plugs and do a compression test on cyl,s...if OK then carefully examine rocker arms for damage even stress cracks will fail eventually so look...

Is this the single button Conlog LRSS alarm?....several things could be if it is...