Author Topic: CR1225 battery?  (Read 2088 times)

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Offline coolbho3k

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CR1225 battery?
« on: July 26, 2020, 02:38 PM »
Will CR1225 battery fit? Slightly bigger than CR1220 and can buy it for a similar price. Won’t have to worry about swapping it / RTC / SRAM for a while more.

Offline Shadow666

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Re: CR1225 battery?
« Reply #1 on: July 26, 2020, 02:49 PM »
Will CR1225 battery fit? Slightly bigger than CR1220 and can buy it for a similar price. Won’t have to worry about swapping it / RTC / SRAM for a while more.

no

Offline coolbho3k

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Re: CR1225 battery?
« Reply #2 on: July 26, 2020, 10:14 PM »
So did you try it?

Offline Richardragon87

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Re: CR1225 battery?
« Reply #3 on: July 26, 2020, 11:26 PM »
Why is it that batteries need to be so badly replaced in the GBA X5 is their something someone knows that I am not being told about?
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Offline Shadow666

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Re: CR1225 battery?
« Reply #4 on: July 27, 2020, 07:34 AM »

Offline coolbho3k

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Re: CR1225 battery?
« Reply #5 on: August 02, 2020, 09:59 AM »
So did you try it?

Yes
Really? Got more details? I just opened the cart up and seems like there’s plenty of thickness left in the slot. It’s only .5mm thicker

Going to try myself and report back.

Offline pomstazlesa

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Re: CR1225 battery?
« Reply #6 on: June 14, 2021, 08:04 PM »
tried CR1225 in gba x5 mini and it fits in just fine, gets out of the battery holder just as 'easily' as CR1220. no structural damage done to the battery holder, no cart bulging, seems to work just fine. try at your own risk. unless you have a badly soldered on battery holder, in your gba x5 mini, it should work without any issues

Offline Galron

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Re: CR1225 battery?
« Reply #7 on: June 15, 2021, 05:04 AM »
tried CR1225 in gba x5 mini and it fits in just fine, gets out of the battery holder just as 'easily' as CR1220. no structural damage done to the battery holder, no cart bulging, seems to work just fine. try at your own risk. unless you have a badly soldered on battery holder, in your gba x5 mini, it should work without any issues

Nice to know... so what's up with the opposing answers in previous posts?

Offline pomstazlesa

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Re: CR1225 battery?
« Reply #8 on: June 15, 2021, 11:04 AM »
tried CR1225 in gba x5 mini and it fits in just fine, gets out of the battery holder just as 'easily' as CR1220. no structural damage done to the battery holder, no cart bulging, seems to work just fine. try at your own risk. unless you have a badly soldered on battery holder, in your gba x5 mini, it should work without any issues

Nice to know... so what's up with the opposing answers in previous posts?

Good question. no details or any arguments were presented, why you shouldnt use CR1225, just unhelpful 'yes' and 'no' answers. but i'll argue against myself xD with some added SPECULATION on the topic.

SPECULATION STARTS

reason, why gba x5 mini is shipping and recommends using CR1220 battery might be one or both:
1. the CR1220 battery is cheaper, lowering the cost to make the cartridge[unless they would suddenly decide to ship the cartridge without a battery, unlikely]
2. the soldering quality of battery holder might be inconsistent in this large run, where some can handle CR1225 and others cant but all can handle CR1220 without issues

SPECULATION ENDS

before you attempt to put CR1225 into your gba x5 mini, just use your existing CR1220 to do these steps:
1. try removing the battery and observe the battery holder. is it flexing? or in any way trying to move? are the solder joint absolutely rigid, with no movement whatsoever? if no, they you are good
2. while removing the battery, you should feel a resistance, as your pushing out the battery out of the holder. get a good feel for it, it will be important later.
3. same as steps 1. and 2. but now, putting the battery get in. check how the holder behaves, especially the solder joints. you should feel some resistance, while putting the battery in.

if there was nothing wrong, during the test with CR1220 battery, move on to CR1225. you should feel same resistance as with CR1220. if not, insert it very carefully and continuously check the solder joint of the battery holder. if at any point, you see battery holder behaving differently, while you are still inserting the CR1225, compared to CR1220, stop inserting it and remove the CR1225, use only CR1220. if everything goes fine, without any issues, then you should have no problems using CR1225 in your gba x5 mini cartridge.

its not uncommon, for battery holders to be able to house different size batteries, close in size. similar thing goes for CR2032 battery holder, which can also hold CR2025 battery, thats 7mm of difference, within spec. those holders, usually have 2 solder joints, while the one in gba x5 mini has 3 solder joints. it might very well be a CR1225 holder but, because of the reasons mentioned in SPECULATION, it ships with CR1220 instead.

use common sense and be careful.

Offline Galron

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Re: CR1225 battery?
« Reply #9 on: June 15, 2021, 03:39 PM »
How about the holder on the GB x7?

One reason I ask, is because I need to replace battery in both my x5 and GB x7... The problem I have is I can't seem to find 1220's in the local stores but they have loads of 1225s....

Offline pomstazlesa

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Re: CR1225 battery?
« Reply #10 on: June 15, 2021, 05:10 PM »
dont have a GB x7 to test with but same principles apply to it, or any other cartridge, using the CR1220 holder