![]() ![]() We selected a 155 AH battery, which will allow us 2 days of full usage void of charging, while not discharging the battery below 50%. To prolong the life of the battery, you want to avoid discharging to less than 50%. When sizing a battery, it's important to remember that even though you can deep cycle the battery, it is not something you want to do regularly. AGM batteries are spill proof, stand up to low temperatures, charge up to 5x faster than other battery types, are vibration proof and are designed to be occasionally deep cycled (deeply discharged using most of its capacity). For the type of battery, we wanted something that was going to be low maintenance, last for years and not crush the bank account. Using 35 AH as our daily consumption, we began to explore our options for both battery size and type. Taking this into account, we're going to use 35 AH as our max daily power consumption number.Ĭhoosing Battery Size & Type - Vmax 155AH AGM Battery ![]() ![]() We've determined that our absolute maximum daily power consumption will be 44 amp hours, but this a little high based on the fact that the Webasto furnace and Maxxair fan will not be both running at full capacity across all seasons. This math will allow us to properly size our battery bank to fit our needs. Power consumption is measured in Amp Hours (AH) which is defined as the amount of energy charge in a battery that will allow one amp of current to flow for one hour. The design phase began by identifying the loads we were looking to power and understanding their maximum daily power consumption based on our projected usage. Heat shrink butt connectors (assorted size). Heat shrink ring terminals (assorted sizes). Ratchet wire crimper (for terminals 10ga and above). Also, we needed enough battery capacity for a weekend off the grid, void of any charging sources.Ĭlutch Resources: Far Out Ride - Electrical designīlue Sea wire size chart Tools & Hardware Hydraulic wire crimper (for terminals 8ga and below) . Solar may be added later, but is not part of the initial design. Objective: Develop an electrical system that utilizes charging options from shore power (plugged into 120v AC), as well as the van's alternator while driving. Our design took a few months of consistent research and iteration based on new findings and feedback while the install took around 24 hours. Like many other projects in our van conversion process, the design phase of the electrical system was far more time consuming than the actual installation. Before we begin, I must disclose that this was our first major electrical project and a certified electrician should be consulted before any installation work is started. ![]()
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