Battle Born Lithium Iron Phosphate
A analysis group led by Christopher Wolverton at Northwestern University has developed a chargeable lithium-iron-oxide battery that may cycle extra lithium ions than its frequent lithium-cobalt-oxide counterpart. This could be a real benefit if you need to get creative with the way you mount your battery financial institution. If you might be hanging an enclosure on the wall or hiding it in a closet, the improved energy density helps your lithium battery bank fit into tighter spaces.
However, in real-world purposes, components like discharge depth, temperature, charging supply, total system design, and your willingness to carry out regular maintenance will affect the true performance of your batteries. Falling behind on upkeep can shorten the life of the batteries and void the warranty.
The lead-acid batteries featured within the comparison above both weigh round a hundred twenty five pounds. As an instance, lead acid batteries are only eighty-85% efficient relying on the mannequin and situation. That means in case you have 1,000 watts of solar coming into the batteries, there are only watts obtainable after the charging and discharging course of.
The one that has gone via 100 cycles is in a lot better form. We’ve carried out our best to give an apples-to-apples comparability of these batteries based on their printed specs.
Discharge depth refers to how a lot total capacity is used before recharging the battery. For example, if you use 1 / 4 of your battery’s capacity, the depth of discharge could be 25%. Same goes for batteries and the variety of times they’ve been cycled. A sealed lead-acid battery at a vacation house may undergo a hundred cycles in 4 years, whereas the same battery may go through 300+ cycles in a single 12 months at a full-time residence.
Lead-acid batteries ought to only be run to 50% depth of discharge. Beyond that point, you risk negatively affecting their lifespan.