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Battery for Tacktick Micro Compass |
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2547 
Really should get out more 
Joined: 11 Aug 11 Online Status: Offline Posts: 1151 |
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 Topic: Battery for Tacktick Micro CompassPosted: 05 Sep 23 at 7:54am |
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Any tips on doing this? Do you run it flat before you replace it?
Is it easy to get apart?
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fleaberto
Far too distracted from work 
Joined: 12 Jan 09 Location: United Kingdom Online Status: Offline Posts: 302 |
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Posted: 29 Aug 23 at 2:34pm |
Had mine done for a fiver at the watch repair stand in the Bull Ring in Birmingham. The bloke looked at the watch (Big Yellow) said: "Ok, a waterproof watch... no worries"  |
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Lightning368 'All the Gear' (409), Lightning368 'Sprite' (101), Laser (big number) 'Yellow Jack', RS Vareo (432)'The Golden Rays'
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rodney
Really should get out more
Joined: 26 Feb 09 Location: United Kingdom Online Status: Offline Posts: 915 |
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Posted: 14 Aug 23 at 1:48pm |
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I just noticed this ag old question about batteries for the Optimum watch and thought that you might all like to know that Optimum now do a kit including tools at £14.95
 Go here - https://www.optimumtime.co.uk/products/2022-optimum-time-battery-replacement-kit-os315combat001 |
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Rodney Cobb
Suntouched Sailboats Limited http://www.suntouched.co.uk [EMAIL=rodney@suntouched.co.uk">rodney@suntouched.co.uk |
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PeterG
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Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 822 |
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Posted: 24 Jul 23 at 8:45am |
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I've done about 3 over the years without any issues, though I've seen reports of people getting messages about needing to recalibrate I never have. Alex, The batteries seems to keep going out of production. The last one I bought, a few years ago was a ML2340-HS1, from All Batteries. They appear to be out of production now, but the VL-2330/HFN is claimed to be compatible, and Radio Spares sell them. Good luck
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Peter
Ex Cont 707 Ex Laser 189635 DY 59 |
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Alex Rogers
Newbie 
Joined: 11 Jul 23 Online Status: Offline Posts: 1 |
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Posted: 23 Jul 23 at 1:28pm |
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Hi Peter
You seem to have successfully replaced the battery on a micro compass. Any tips? I now have 3 that won't charge! Can you confirm which battery and where did you get them? |
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GybeFunny
Far too distracted from work
Joined: 27 Oct 09 Online Status: Offline Posts: 403 |
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Posted: 12 Aug 22 at 5:58pm |
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Thanks, I will leave it in the sun and cross my fingers
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PeterG
Really should get out more
Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 822 |
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Posted: 12 Aug 22 at 8:12am |
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Yes, that's the right battery. It's rated at 3v. I'd think that 2.8v should show sokme life.
But if you're solar panel is only producing 1.8v then you won't get it charged. However, that reading may depend on your multimeter input impedance - it's not going to produce a lot of current. I'm sorry I can't really help much further - except I think the last time I put in a new battery I left on a window sill for a couple of days in the sun - perhaps try charging longer?
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Peter
Ex Cont 707 Ex Laser 189635 DY 59 |
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GybeFunny
Far too distracted from work
Joined: 27 Oct 09 Online Status: Offline Posts: 403 |
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Posted: 11 Aug 22 at 12:20pm |
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Thanks. The new battery is a ML2430.
The battery is currently 2.81v, is that enough to power the compass? Edited by GybeFunny - 11 Aug 22 at 12:28pm |
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PeterG
Really should get out more
Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 822 |
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Posted: 11 Aug 22 at 12:16pm |
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Do you have the battery model number? There are rechargeable and non rechargeable versions that look the same, apart from model code.
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Peter
Ex Cont 707 Ex Laser 189635 DY 59 |
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GybeFunny
Far too distracted from work
Joined: 27 Oct 09 Online Status: Offline Posts: 403 |
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Posted: 11 Aug 22 at 11:24am |
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I got what I believe is the correct battery from someone on here years ago and got a friend who knows electronics to replace my battery, however when reassembled the battery doesnt seem to take charge. The compass turns on in sunlight and says 'bat 200' and I can leave it in the sun for hours and when I walk over to it and the solar panel is in the shade from my body it turns off. Any idea what I did wrong? Thanks
EDIT: I have taken it apart myself, when using a multimeter between the places where the battery is soldered on the bottom it reads 2.81volts. A multimeter on the points either side of the solar panel reads 0v when the solar panel is covered to 1.8v when uncovered on the window sill. Edited by GybeFunny - 11 Aug 22 at 12:13pm |
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