comments:
Between AGM and LFP? If you want the good LFP with heater for the winter it's like $479 before coupon code of 5% but will last over 10 years while AGM runs from $139-189 for good rated ones but will likely last only 3-4 years at most and will still need charging from the ICCU nearly as much as a cheap flooded lead acid but far more stable and can handle deep discharge much better, this should be the minimum. If you are in a mild climate where it barely gets below freezing, if ever, you can get non-heated LFP for only $199 with LFP cell prices dropping so fast. Another alternative for cold weather is the sodium ion, works great in the winter without an added heater so it's cheaper than heated LFP at under $300 . They may be the best overall, honestly, as it's very close to LFP with no worries about cold. It won't *quite* do the same as LFP as far as less charging needed, but very close and should last 10+ years as well.