In order to charge a 100Ah battery in 5 hours, you will need approximately 250 watts of solar panel capacity. This can be calculated by dividing the battery's Ah capacity (100Ah) by the number of hours it needs to be charged (5 hours), which gives you 20Ah.

What is the difference between a lithium battery and a LiFePO4 battery?

LiFePO4 has a longer lifespan than lithium ion, giving it an edge if you're aiming to get the best value, and it is more stable. On the other hand, however, lithium ion usually requires less maintenance and is cheaper, particularly in the short term, but it is more prone to overheating

：-12V 75AH

：-12V 100AH