Lithium Car Battery
A lithium car starter battery is a type of rechargeable battery that uses lithium-ion technology to provide the power necessary to start a vehicle. Unlike traditional lead-acid batteries, lithium batteries offer a more efficient, longer-lasting solution for automotive applications. Different from lithium batteries used for energy storage, the lithium car starter batteries require much higher discharge rate battery cells (at least 20C) and the BMS needs special design to pass though super high cranking ampers. They can drop-in replace the conventional MF batteries, EFB/AGM stop-start batteries in cars, SUV, trucks, racing cars, marines, generators, even the electric vehicles and any vehicles need 12V/24V starter batteries to ignite the engines.
Advantages of Lithium Car Battery
Extremely high CCA. Lithium ion batteries store more energy than other types of batteries for the same size of battery, allowing for ultra-high cranking power far exceeding current lead acid battery.
Much longer life cycle. Because of the lithium battery characteristic, lithium-ion car batteries born with a cycle life of more than 2000 cycles, while the lead acid is only 400-500 cycles.
Super light weight. Due to the higher power dencity of LPF car starter battery, its weight is only 1/3 of the same capacity of lead acid battery. This will be a very import factor for racking cars which requires less weight on itself.
Low self-discharge. Lithium-ion car batteries are by definition low self-discharge with less than 1% discharge rate per month and its shelf life can be as long as one year.
Faster charging capability. This means that the battery can be fully charged with less time. It is very important for start-stop engine which will need the battery to start the enigne frequently.
Extremely safe and thermally stable. Intelligent BMS is critical to lithium car battery performance; it acts as the battery's brain, responsible for advanced monitoring and management to ensure safety, performance, charge rates, and long lifespan.
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Genuin Material & Solid Substance
Only use world top tier A grade lithium cells and automotive grade BMS.
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All the cells are graded & grouped before assembly, and all battery packs are 100% passed aging test.
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Our major team members have more than 20 years of experience in lithium battery industry.
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Advantages of lithium golf cart battery
Lithium-ion car battery positive electrode
The cathode material of lithium-ion car batteries usually adopts lithium iron phosphate (LiFePO4). Positive electrode materials can react with lithium ions during the charging and discharging process to achieve charge and discharge.
Lithium-ion car battery negative electrode
The negative electrode material of lithium-ion car batteries usually adopts graphite, which can adsorb and store lithium ions. During charging, lithium ions are released from the positive electrode, migrate through the electrolyte to the negative electrode, and become embedded in the graphite structure. Lithium ions are de-embedded during discharge from the negative electrode and migrate to the positive electrode.
Lithium-ion car battery electrolyte
The electrolyte is the medium between the positive and negative electrodes and is usually an organic solution or polymer gel. It conducts electricity and provides a transport channel for lithium ions.
Lithium-ion car battery diaphragm
The diaphragm of a lithium-ion car battery is located between the positive and negative electrodes to prevent direct contact and short circuits. The diaphragm is usually made of polymer material with good ion transport properties and mechanical strength.
Lithium ions migrate from the positive electrode to the negative electrode during charging and discharging. This is accompanied by the flow of electrons from the negative electrode to the positive electrode via an external circuit to complete the closure of the current. When charging, the current flows into the battery from the external power source, and lithium ions migrate from the negative terminal to the positive terminal. When discharging, the current flows out of the battery, and the lithium ions migrate from the positive pole to the negative pole.
Considerations for Choosing the Right Lithium Car Battery
Energy Capacity
The capacity of a lithium car battery will be smaller than the OE or replace lead acid batteries, as the LiFePO4 car batteries are higher in energy density, so less capacity can achieve the same or even higher cranking power.
Voltage
Most of the vehicles with engine is 12V and 24V for trucks or large generators.
Size
Check your original battery size if they are JIS, DIN or BCI, find the corresponding lithium car batteries sizes. General speaking, one lithium car battery size can replace many sizes of lead acid batteries.
Safety
Safety is paramount when dealing with lithium batteries. Look for batteries with built-in safety features such as overcharge protection, thermal management systems, and short-circuit prevention mechanisms. These features help mitigate the risk of accidents or damage caused by battery malfunctions.
Longevity
Consider the expected lifespan of the lithium battery. Some applications require batteries with extended cycle life, meaning they can withstand many charge-discharge cycles before experiencing significant degradation. Assess your usage patterns and choose a battery that meets your longevity requirements.
Environmental Impact
As environmental consciousness grows, selecting batteries with minimal environmental impact is essential. Look for batteries that are recyclable or have proper disposal methods in place. Consider the materials used in the battery's construction and opt for lower toxicity and a reduced carbon footprint.
Electrolyte composition
Lead-acid batteries use a sulfuric acid solution to serve as the electrolyte within the battery cell. Unfortunately, sulfuric acid is highly corrosive and can be dangerous if ingested, spilled on the skin, or inhaled. Even worse, many lead-acid batteries require users to regularly open their batteries to top off the electrolyte solution as it evaporates, potentially exposing users to this harmful substance.
In contrast, the lithium solution used in lithium-ion batteries presents a far lower risk. Better yet, lithium batteries are completely sealed, meaning there's little to no chance users will come in contact with the solution except in cases of serious battery damage.
Battery weight
One of the most apparent differences between these battery types is weight. The reason is simple: Lead is exceptionally dense, weighing a remarkable amount for its size. In contrast, lithium is light. Lithium-ion battery components are also far lighter. This can be particularly important for weight-sensitive uses like boats and rvs.
Sulfation
You may not be familiar with the concept of sulfation, but it's a vital one to know due to how it can affect lead-acid batteries. Sulfation is the process of sulfate crystals forming on the battery electrodes, which increases battery impedance. Because of this, you'll draw far less power from the battery, eventually forcing you to replace it.
Luckily for lithium-ion users, they won't need to worry about sulfation. It can't happen with lithium batteries because the necessary chemical ingredients simply aren't present.
How Do You Take Care of Your Electric Car Battery
Tips to maintain an electric car battery
EV's battery will degrade over time, although it should be at a fairly negligible rate.
However, there are steps you can take to help minimise degradation and the great thing here is that higher vehicle use does not equal higher battery degradation.
Keep the “State of Charge” between 20-80%
Avoid keeping your battery empty or completely full. Batteries don't like extreme states of charge, so letting it run completely flat will put a strain on the battery, as will consistently charging an EV to 100%.
Instead, change the settings on your car or car charger to limit the charge to around 80% and keep it above 20% if you can. Most daily or weekly driving is easily covered by the range of most EVs.
If you need to do a longer trip, it's fine to charge to 100%, but once you've got a bit of a feel for driving an EV and managing your weekly mileage it will be a lot easier to keep it in that 20-80% range.
Actually found that leaving a car sat for long periods of time unused with a battery between 70%-80% caused the steepest curve of battery degradation.
EV batteries stored at 70-80% could lose up to four to eight per cent of capacity to hold charge at the end of one year.
Only charge fully for long trips
It's better for your EV's battery to keep it between 20% and 80%, but sometimes you might need more range.
Charging to 100% occasionally is OK, but try and limit this to only when you really need it.
Most electric cars have in-built navigation that will tell you if you can reach your destination with the current state of charge, or plan ahead to see if you need to charge to 100% or not.
Minimise rapid charging
Consistently rapid charging can cause faster EV battery degradation in the long term.
Passing high currents of energy through the EV's battery can increase the temperatures the battery is exposed to, which can speed up degradation if it's something that's done consistently.
A vehicle that has never been rapid charged shows a slower rate of degradation. This means charging all electric vehicles at home with a 7kW charger using smart scheduling and management is the best long-term option to maintain the health of your EV's battery.
That EVs that are rapid charged up to three times a month show a 5% decrease in degradation rate over four years compared with a vehicle that has never been rapid charged.
This increases to almost 20% over four years if you're consistently DC charging your EV more than three times a month.
Exposing EVs to extreme temperatures
EV batteries that are exposed to higher temperatures can experience a faster rate of battery degradation, compared with somewhere that is more temperate.
A faster decline in sustained temperatures of over 27°C. The good news is that average temperatures in the UK are usually below that level for the majority of the year (there can obviously be some peaks in the summer).
Where possible, try and avoid parking in the hot sun and if you really have to, try and make sure the battery is not charged above 80% in that scenario.
Get your EV serviced at least once a year
Properly qualified technicians will be able to monitor the health of your EV's battery with regular annual checks.
Workshops should have the proper diagnostic tools and software licences available to check on your EV and make sure everything is in a good condition.
Utilise pre-conditioning if possible
Some EVs will have a pre-conditioning feature that can get the battery ready for a charge. If it's too cold or too hot outside, this pre-conditioning can heat or cool the battery to an optimum temperature to receive a charge and help extend the life and health of your EV's battery.
FAQ
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