# I need a 300 amp shunt. Where to buy?

**URL:** <https://community.electricforum.com/t/i-need-a-300-amp-shunt-where-to-buy/665>\
**Category:** Scooters, Bikes, Sagways\
**Created:** [May 10, 2008, 2:38pm UTC](https://community.electricforum.com/t/i-need-a-300-amp-shunt-where-to-buy/665 "2008-05-10T14:38:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![drewjet](https://avatars.discourse-cdn.com/v4/letter/d/4bbf92/32.png) [@drewjet](https://community.electricforum.com/u/drewjet)\
**Post date:** [May 10, 2008, 2:38pm UTC](https://community.electricforum.com/t/i-need-a-300-amp-shunt-where-to-buy/665/1 "2008-05-10T14:38:55Z")

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I need a 300 amp shunt for my motorcycle. I bought one off ebay, but it appears that it is not very stable. The amp readings change dramatically as it warms up. Any idea where to find a high quality 300 amp shunt?