Need a battery for a Honda Insight that uses a size 51. Couldn't find a used one and not spending $100+for a new battery for what is basically a running parts car. It's fairly common for owners to use a U1 riding mower battery in this car. Walmart has them for $30 but why is the warranty only 3 months compared to a year for their cheapest car batteries? https://www.walmart.com/ip/EverStar...attery-Group-Size-U1-12-Volt-230-CCA/21984263 And do these require a core? Don't see that mentioned anywhere.
