I've pondered, researched, and thought about going to lithium batteries. I finally have. I went with 3 Battle Born 12 volt 100ah. I have to say I'm very impressed. I've had them installed for about two months. So impressed I wanted to be a sales rep. You can get these batteries at https://battlebornbatteries.com/ . Regular price is $899 use my coupon code: Buck50! And receive $100 off each battery and free shipping in the US. Battle Born batteries are also now a board sponsor. I just wanted to spread the news because I'm very excited about this product. Don't forget the ! On the coupon code. If anyone is interested I will try to answer any questions that you may have.