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Old 09-02-2013, 04:19 AM #1
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Default Good place to buy protected CR2's?

I love my glp 437 but it just eats Cr2's. I tried going to batteries plus but they didn't have rechargeable ones. I have already used two $8 batteries in the last few days and I want to find some good protected rechargeable ones. I've looked online but most results are for Chinese batteries and chargers where they list them as a dual 16340/Cr2 chargers. any one want to share where they get theirs.


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Old 09-02-2013, 07:14 AM #2
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Default Re: Good place to buy protected CR2's?

I buy my batteries in a german onlineshop , but that wouldn't work for you I suppose.
I recommend this site AkkuDB there you can see the test results of several 16340 cells and then just google the type you want
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Old 09-02-2013, 01:33 PM #3
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Default Re: Good place to buy protected CR2's?

Quote:
Originally Posted by shokkunlasers View Post
I buy my batteries in a german onlineshop , but that wouldn't work for you I suppose.
I recommend this site AkkuDB there you can see the test results of several 16340 cells and then just google the type you want
But I'm looking for 15270 batteries.
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Old 09-02-2013, 02:16 PM #4
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Default Re: Good place to buy protected CR2's?

15270 battery I've never heard of that size before if so no wonder your having a hard time finding them there may be another rechargeable battery that's close in size that will fit instead even if a cheap Chinese battery its got to be better than buying non rechargeable ones, are you sure in the size i could be wrong, but that size doesn't ring any bells .270 in length is very short
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Last edited by Blaster; 09-02-2013 at 02:17 PM.
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Old 09-02-2013, 03:13 PM #5
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Default Re: Good place to buy protected CR2's?

Quote:
Originally Posted by Blackwolf View Post
But I'm looking for 15270 batteries.
oh sorry cr2 not cr123

Anyway they also got 15270 on their site but they are so uncommon that they dont been tested yet AkkuDB

Links to sites where those been sold
EH Rechargeable CR2 15270 3.0V 800mAh Protected li-ion Battery (2pcs)_Li-ion battery_Battery_Newise Technology Co.,LIMITED - Powered by ECShop

keeppower 15270 3 7, keeppower 15270 3 7 wholesale, keeppower 15270 3 7 Manufacturers, keeppower 15270 3 7 Suppliers and Exporters Directory keeppower 15270 3 7, Global Manufacturers - page 1
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Old 09-02-2013, 04:09 PM #6
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Default Re: Good place to buy protected CR2's?

Well size wise CR123 is same as 16340 so i don't get where 15270 comes in a cr123 is a 3 volt non rechargeable battery a LCR123 is a 3.7 rechargeable or a LR 123 is same thing just different manufacturer code on the battery
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Old 09-02-2013, 04:28 PM #7
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Default Re: Good place to buy protected CR2's?

With CR2 batteries i'm afraid you're stuck with primaries if you're looking for a decent runtime out of one battery.. Mohrenberg used to sell 3.6v Juice CR2 batteries i believe they are still sold on flea bay!

10 Juice Brand Rechargeable Photo Lithium CR2 Batteries | eBay
This for instance..
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Old 09-02-2013, 06:03 PM #8
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Default Re: Good place to buy protected CR2's?

I'm curious you say your glp 437 is eating batteries ....its only 5 to 7 mW the batteries should last quite a while an offshoot question why going flat so fast ?
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Old 09-02-2013, 07:21 PM #9
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Default Re: Good place to buy protected CR2's?

I think its because 473nm DPSS is the most inefficient DPSS system we hobbyists got Calculated its around 0.007W/(0.9 driver efficiency * 0.45 808nm diode efficiency * 0.1 473nm DPSS efficiency)=0.172W total in best case its maybe only 0.05 DPSS efficiency


Quote:
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I'm curious you say your glp 437 is eating batteries ....its only 5 to 7 mW the batteries should last quite a while an offshoot question why going flat so fast ?
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Old 09-04-2013, 04:08 AM #10
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Default Re: Good place to buy protected CR2's?

They sell cr2's at radio shack. Just bought a pair for 20 bucks, biggest rip-off ever. You can definitely find them cheaper online, amazon is your best bet... as for quality, well, I have no idea
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