The second and third lasted less than 5 so last time it got a EverStart MAXX. My NH Backhoe has a group 31 Interstate with a vent tube connection. I tried their "VALUE" model once with bad results.įor my 4310 I bought a BOSCH AGM battery with a vent tube connection. This allows for attaching a tube and route it under the tractor so any outgassing doesn't pass through the radiator fins.įor applications such as my vehicles, lawn equipment, etc I usually just buy Walmart's regular or MAXX series. A small number of long plates will short out earlier than a larger number of shorter plates will.įor a application where the battery is mounted in front of a radiator you need a battery designed with a vent port to connect a tube on. The plates sluff off and shed to the bottom with age and use. In a wet lead acid battery it comes down to number of plates and distance from the bottom of the plates to the bottom of the case. Without disecting each brand battery you don't know what materials are used or method of construction. I always consider the application and personal experience. The amount of time you could spend trying to make a battery last 6 or 10 years, if you just spent that time at work making money, would have bought you the next 1 or 2 batteries anyway. If you don't want to invest that time and effort, just keep buying batteries. Just accept that if you want a battery to last a long long time, the money you are trying to save by not buying the next one early, will all be spent as time and effort doing checks and maintenance on your battery. If you don't own a hydrometer or refractometer and also don't know how to use a multimeter you look pretty silly trying to parse 'differences' in battery 'quality', imo. Some people can kill a top quality $800 Rolls battery in 3 years, and somewhere out there is a guy who religiously maintains a set of walmart car batteries in his off-grid system and is on his 12th year. The main difference is just how they're treated. There are differences between the stationary lead acid storage batteries that can last for 20+ years and the starting batteries that last a few years in a car or mower but. And if you just expect the battery to fail, then the best battery is the one with the easiest warranty process, in which case. If you want to compare identically rated batteries, id say there's basically no point because variables during your ownership will have more impact than slight differences between same-size batteries from two different manufacturers.īasically, learning what a lead acid battery actually wants, will get you more lifespan out of it, than trying to nitpick tiny differences between manufacturers and retailers. They self-discharge slower and thus can be 'ignored longer' between charges with less degradation, and they are slightly less susceptible to the downsides of being mounted in a vehicle that's constantly moving and vibrating. The newer, the better.Īn AGM or SLA battery will generally perform better and last longer in a given size/capacity rating. All batteries self-discharge to some extent, and flooded lead acid hate to be stored at anything less than a full state of charge, so a clock starts ticking as soon as it leaves the factory and in 99% of cases it will not be charged until it reaches the end user's vehicle, which likely has a pretty poor charging system if it's a piece of lawn equipment. Honestly, the best thing to go off of is just build date. Well, you'd have to educate yourself pretty thoroughly about lead acid batteries, wouldn't ya?
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