Below are some technical documents you may find useful
Batteries made simple
Selecting the correct batteries for the application, whether engine start or house batteries, can be the difference between happy and contented use or an exercise in crisis management. The object of these few pages is to assist vehicle, boat or motorhome owners to understand what is happening to the batteries, what makes the various types different and what effects the life and performance.
Sizing of Deep Cycle Batteries is critical to the performance of electrical items in any application, especially in House Banks. Insufficient capacity results in systems failure, poor battery performance and shortened battery life. Excessive capacity results in unnecessary weight, cost and space usage.