# How to choose a fuse to protect the battery

**URL:** https://foil.zone/t/how-to-choose-a-fuse-to-protect-the-battery/10586
**Category:** Electronics (ESC, remote, batteries)
**Created:** [October 31, 2020, 3:14pm UTC](https://foil.zone/t/how-to-choose-a-fuse-to-protect-the-battery/10586 "2020-10-31T15:14:00Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![philippe](https://foil.zone/user_avatar/foil.zone/philippe/32/2435_2.png) [@philippe](https://foil.zone/u/philippe)
#### Post date: [October 31, 2020, 3:14pm UTC](https://foil.zone/t/how-to-choose-a-fuse-to-protect-the-battery/10586/1 "2020-10-31T15:14:00Z")

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Hello  
I want to add 80A fuse on my 13S / 10P homemade battery, but I don’t know what to take, there are 12v or 24v car fuses but can it work on 54v?

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### Author: ![sat\_be](https://foil.zone/user_avatar/foil.zone/sat_be/32/35523_2.png) [@sat\_be](https://foil.zone/u/sat_be)
#### Post date: [October 31, 2020, 3:29pm UTC](https://foil.zone/t/how-to-choose-a-fuse-to-protect-the-battery/10586/2 "2020-10-31T15:29:43Z")

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80A is probably too small. I had a 150A fuse but it burnt several times when I tried to get on the board in choppy water (peak current was around 70-90A but this was enough to heat up the fuse and it finally burnt through). I‘m going to change it to 200A.  
[https://www.reichelt.com/ch/de/car-fuse-midioto-200-a-58-v-purple-imaxx-mdp200-p290809.html](https://www.reichelt.com/ch/de/car-fuse-midioto-200-a-58-v-purple-imaxx-mdp200-p290809.html)  
Fuse holder:  
[https://www.reichelt.com/ch/de/fuse-holder-midioto-imaxx-hmd1-p229126.html](https://www.reichelt.com/ch/de/fuse-holder-midioto-imaxx-hmd1-p229126.html)  
It is quite compact, there are other fuses but they are larger in size. Max available Midito is 200A. Try to find at least one for 48V better higher.

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### Author: ![Flightjunkie](https://foil.zone/user_avatar/foil.zone/flightjunkie/32/8316_2.png) [@Flightjunkie](https://foil.zone/u/Flightjunkie)
#### Post date: [October 31, 2020, 5:07pm UTC](https://foil.zone/t/how-to-choose-a-fuse-to-protect-the-battery/10586/3 "2020-10-31T17:07:56Z")

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Hi.

The fuse is an emergency, last resort device. You want a high amp fuse. I use these 200a fuses and I have never blown one. 🤞

 ![20200304_083022](https://foil.zone/uploads/default/original/3X/7/6/76a462877e86a77a2a2b9efa1e9556218a8ce019.jpeg) ![20200523_091056](https://foil.zone/uploads/default/original/3X/f/b/fbfeccfe2a6af67730ac03ce5913d5058d9e88c9.jpeg)

[https://www.amazon.com/gp/aw/d/B01MRZLRYG?psc=1&ref=ppx\_pop\_mob\_b\_asin\_title](https://www.amazon.com/gp/aw/d/B01MRZLRYG?psc=1&ref=ppx_pop_mob_b_asin_title)