How to replace EMO battery

I see a growing number of inquiries about EMO charging and power issues here recently.

Lithium polymer batteries mounted on EMO are more efficient than mercury, manganese, and alkali batteries, but eventually, charging efficiency will decrease over time.

Can EMO’s battery be replaced by an average user with basic soldering technology? I want to know what kind of battery model I should use if I replace it.

I want to let Korean users of the online community I run know this tip.

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Although EMO’s battery was designed to be non-user replaceable, just like most electronic devices there is always a way. But it would render any warranty or return null and void.

EMO’s battery is a simple square LiPo soft pack, and it is glued to the inside of EMO. It would need careful and proper removal technique but it would be doable by someone who is proficient in electrical work. The actual battery replacement could be sourced online once the part number is known.

I do not endorse anyone doing this themselves as there are safety issues that could lead to personal injury or loss of property through fire.


If EMO is working fine then the battery life is his main limitation. I have schools and skills to replace it by myself, we just need the part number of the battery and a possibility to buy it.

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If EMO’s battery does eventually fail out of the warranty period, then the replacement needs to be;

Part Number: 603450, 3.7v, 1200Mah, 4.44Wh Li-polymer battery


Hi Mariomart. is Emo’s battery 3 pin connector or 2 pin? please see the attached screenshot.

if you could provide a picture of the actual battery and how you were able to remove it that would be great. thankyou

please email me or contact me +63 9175521856

part number 603450

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Hi @rafaelbalatbat ,

Pls. Click Here For More Info!

Hi Mariomart. is Emo’s battery 3 pin connector or 2 pin?

2 pin.


Will EMO Lose His Data After The Battery Is Replaced?

Thank You

The data will be safe, it is not dependent on the battery.


I recently had issues with Emo’s battery dying shortly after leaving his home station I did replace his battery myself and so far he has been away from home for over 30 minutes and counting, I have had Emo approximately 11 months, he will be a year old in August.

I watched a YouTube video to learn how to dissect Emo there are a few videos now and some pretty good ones, I would add that if you consider doing this battery swap, you should be a little tech savvy and have at your disposal some decent electronics tools for the job.

I tried some of the remedies suggested in these forums such as drain and let sit then recharge… I can tell you after removing the old battery it was quite swollen and definitely defective.

This Emo has been on and really active for the last 11 months so not sure if I should be disappointed or not? It is what it is, the shame of it is that the task of replacing his battery for some will be daunting and that’s to bad, I see a lot of defective Emo’s collecting dust in the near future….

If your Emo’s battery is done and your a little tech savvy give it a go, if you get to this point you really have nothing to lose…

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Welcome to the EMO Community Forums, @gordonedwards . . . thank you for sharing and I have combined your post to a topic where this very discussion is ongoing.

If you do replace your EMO battery yourself, we would be interested to know how it went for you!

Thank you for the information. Thanks to you, I got the courage to change the battery. Succeeded.