I am looking at two different, large capacity LFP batteries for my RV to replace my three 100Ah Renogy AGM
1) Amperetime 400Ah, weighs 86#
2) Cyclenpo 500Ah, weighs 140#
They are of very similar size, 20" x 11" x 9"
any idea why one would weigh 60% more, with only 20% more capacity?
Inquiring...