Lithium Ion Battery With Supercapacitor
Without question LFP is among the safest of the Li-Ion battery codecs. Many argue, and these arguments have actually been well made, LiFePO4 is as protected or safer than lead acid.
Sulfation is by far and away the most cancers and #1 killer of lead acid batteries on cruising boats. LFP batteries do not sulfate so there isn't any want or worry to constantly get back to a hundred% SOC before you permit your boat. LFP batteries really choose to be left at mid vary SOC rather than full. Currently Lithionics is the one drop-in battery producer I know of that can bodily send you the cell matching testing knowledge for each cell in a battery. With only the batteries serial number Lithionics can print this report and ship it to you.
One possible purpose is the plethora of “B” grade or decrease cells being offered to unsuspecting consumers. It just isn't uncommon for a custoemr to indicate up right here at the shop with cells which might be missing a brand, branding, serial numbers and or model numbers. This means a 100Ah battery can supply a 5A load for 20 hours earlier than hitting a terminal voltage of 10.5V. You do not want as massive an LFP bank as you do lead acid so you'll be able to’t truthfully compare 400Ah of Li to 400Ah of lead on price / Ah’s as this is a grossly unrealistic comparability.
Float Charging – A continual cost voltage applied to the battery that's in excess of it’s natural resting 100% SoC voltage. Keeping series LPF cells balanced is of prime concern as a result of it is high or low voltages that can wreck LFP cells. In LFP cells we have what are known as the higher knee and the decrease knee. I assume this video done by Sinopoly can sum up the protection of LFP know-how. Those loopy Chinese guys shot, burned, shorted and cooked these cells.
Please do the analysis, then do your personal testing, as I have, you then determine how you want to charger your new financial institution. The query of floating or standby voltages with LFP, and its impact on cycle life, is still very much unclear.
No matter how you run the numbers LiFePO4 wins the cost per cycle comparison to AGM or GEL batteries, except you improperly cost them and damage them prematurely. This nonetheless does not mean a nicely designed and engineered system is not going to have a quite massive sticker shock. I don’t personally find this a “con“, because I am able to basic math, however some will see this as a con, so I point out it. An LFP financial institution is not only a battery it must be treated as an entire system. A automotive is simply not just wheels & a motor and an LFP battery is simply not a battery & terminals except it has the rest of the system to go together with it.
This is the type of information that every drop-in battery maker ought to have the ability to present you. Unfortunately with most “drop-in” batteries you don’t know what's inside, or how nicely matched the cells or cell block are. Lithionics and Battleborn are the one two drop-in manufacturers we all know of that pay very close attention to internal cell matching. Lithionics can truly provide a check sheet for each cell of their drop-in batteries. The Sterling Power Alternator Protection Device is a cheap insurance coverage policy against a BMS load dump destroying your alternator.
Take observe that a single 60Ah three.2V cell can throw in excess of 1800A of present into a dead short. None of the testers got acid burns, have been blinded or went house with holes in their garments.