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Battery for Tacktick Micro Compass
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PeterG View Drop Down
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Posts: 822 		Post Options Post Options   Quote PeterG Quote  Post ReplyReply Direct Link To This Post Topic: Battery for Tacktick Micro Compass
    Posted: 12 Aug 22 at 8:12am
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?
Peter
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GybeFunny View Drop Down
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Posts: 403 		Post Options Post Options   Quote GybeFunny Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 22 at 5:58pm
Thanks, I will leave it in the sun and cross my fingers
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Alex Rogers View Drop Down
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Posts: 1 		Post Options Post Options   Quote Alex Rogers Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 23 at 1:28pm
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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PeterG View Drop Down
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Posts: 822 		Post Options Post Options   Quote PeterG Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 23 at 8:45am
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
Peter
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rodney View Drop Down
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Posts: 915 		Post Options Post Options   Quote rodney Quote  Post ReplyReply Direct Link To This Post Posted: 14 Aug 23 at 1:48pm
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  Wink  Go here - https://www.optimumtime.co.uk/products/2022-optimum-time-battery-replacement-kit-os315combat001 
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fleaberto View Drop Down
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Posts: 302 		Post Options Post Options   Quote fleaberto Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 23 at 2:34pm
Originally posted by rodney

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  Wink  Go here - https://www.optimumtime.co.uk/products/2022-optimum-time-battery-replacement-kit-os315combat001 


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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2547 View Drop Down
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Posts: 1151 		Post Options Post Options   Quote 2547 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Sep 23 at 7:54am
Any tips on doing this? Do you run it flat before you replace it?

Is it easy to get apart?
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