They are good honoring the warranty i had a battery 3 days past the warranty and the honored the warranty and replaced the battery
Batteries are generally 2yr no hassle replace. 5 yr prorated
They are all different, the better the battery the longer the warranty, they are full replacement up to a year or two on most batteries and then prorated after that, best bet is go in see what you need and then choose which is best for you, warranty wise and price wise
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