Factory Direct Wholesale 48v Li-ion Battery Pack

Are you looking for a higher density, more environmentally friendly and lighter 48v battery? Then lithium ion battery will be your choice. And KET is a 48v lithium-ion battery manufacturer with 13 years of R&D and manufacturing experience.

So why KET can get the recognition from brand customers?

48v lithium battery manufacturer R&D Capability: KET has a R&D team of over 20 people with independent ID design, PCB design, structure design, battery pack design capability, etc.

48v battery manufacturer Complete certification: Our battery pack products have passed FCC, CE, RoHS and other certifications; and for safe transportation, they are also tested by MSDS, UN38.3, etc.

wholesale deep cycle lithium battery 48v Extensive Products: In addition to 48v batteries, we also have 12v, 24v, 36v batteries, which are widely used in solar systems, forklifts, golf carts, trolling motor, ebike, etc.

oem deep cycle lithium battery 48v wholesale Support Small Orders: KET is willing to support small orders so that our customers' new projects can be tested in the market quickly and cost-effectively.

oem deep cycle lithium battery 48v manufacturer Fast Delivery Capability: Generally 3-5 days to send custom samples, 15-25 days to fulfill bulk orders.

Factory Direct Wholesale 48v Li-ion Battery Pack

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Steps to Custom Your 48V Li-ion Battery

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Requirements

Tell us the parameters required for your project: e.g., voltage, size, capacity, operating current, etc.

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Solution

Our engineers will provide a solution within 24 hours and send it to you for confirmation.

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Sample

We will start making samples after the solution is confirmed, which can be completed within 3-5 days.

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Shipping

We have stable cooperation with DHL, UPL, FEDEX, your products will be shipped safely and quickly.

CUSTOM 48V LI-ION BATTERY PACK NOW

Optimizing Performance with 48V Lithium Ion Batteries: A Comprehensive Manual

What is a 48V lithium-ion battery?: 48V lithium-ion batteries are a very common type of rechargeable battery, widely used in electric vehicles, energy storage systems, electric bicycles, etc. The term 48V here refers to the nominal voltage of the battery pack.

Depending on the composition of the positive electrode, 48V lithium-ion batteries can be divided into ternary lithium batteries and LiFePo4 (lithium iron phosphate) batteries. Ternary lithium-ion batteries are characterised by high charge and discharge rates (above 2C and 3C) and are suitable for applications requiring higher currents, such as electric bicycles, while lithium-iron phosphate batteries have lower charge rates, generally with a charge efficiency of 0.5C and a discharge efficiency of 1C, so the most common applications are energy storage applications, such as solar systems.

Compared to lead-acid batteries, Li-ion batteries are more environmentally friendly and have higher energy density, so they are becoming increasingly popular.

What is the full charge of 48V lithium battery?: For a 48V lithium-ion battery pack, which typically consists of 13 to 14 cells in series, the full charge voltage could be around 54.6 to 58.8 volts.

How many KW is a 48V 100Ah battery?: To calculate the total energy storage capacity of a 48V 100Ah battery in kilowatt-hours (kWh), we need to multiply the battery's nominal voltage (in volts) by its capacity (in ampere-hours) and then divide by 1,000.

So, for a 48V 100Ah battery, the calculation would be:

48V x 100Ah / 1000 = 4.8 kWh

Therefore, a 48V 100Ah battery has a total energy storage capacity of 4.8 kilowatt-hours.

Do lithium batteries go bad if not used?: The answer is YES. Although lithium-ion batteries have a very low self-discharge rate, they still self-discharge about 3% every month. Once stored for too long, this can lead to deep discharge, which can lead to degradation or even damage to the battery.

Therefore, KET's advice for storing lithium batteries is to charge them to 50% every 3-6 months. At the same time, lithium batteries should be stored in a cool, dry place.

How long does a 48V 100Ah lithium-ion battery last?: 1. For the service life: KET's 48v 100ah lithium-ion battery uses LiFePo4 (lithium iron phosphate) cells, the number of cycles can reach more than 2000 times. Normal can be used for more than 8 years.
2. For fully charged single use time: LiFePo4 battery discharge depth of 80%, such as the power of the device connected to the battery is 100W, the single use time of 48 * 100 * 80% / 100 = 38.4h, that is, can be used for 38.4 hours. Specific use of the length of time has to be calculated according to the actual application scenario.

Is it better to have 2 100Ah lithium batteries or 1 200ah lithium battery?: It is difficult to say directly which one is better.

But the advantages and disadvantages of each can be understood from the following aspects:

1. Space and weight: Two 100-amp-hour batteries may take up more space and weigh more than one 200-amp-hour battery.
2. Flexibility: Using two smaller batteries can provide greater flexibility. If a 100Ah battery fails, you can still rely on another 100Ah battery, whereas if a 200Ah battery fails, you will lose all power.

How many Li-ion cells for 48V?: First of all, the number of Li-ion cells needed to achieve 48V output depends on the chemistry and the series-parallel design. Also we need to know that the cells are connected in series to superimpose the voltage and the cells are connected in parallel with the same voltage. Then we use a common 3.7v Li-ion cell and a 3.2v LFP cell to illustrate:

3.7V li ion battery cell: a single cell 3.7V, then you need 13 cells in series, you can get 48v battery pack (actual voltage 48.1v). As we said before, the voltage remains the same after parallel connection. So at this time to do a 13 series 2 parallel battery pack, the same can get 48v battery, at this time the need is 26 cells. And so on can be deduced from the different 48v battery pack series and combination.

3.2V li ion (LFP) battery cell: single cell 3.2V, then need 15 cells in series, you can get 48v battery pack. As we mentioned earlier, the voltage remains the same after parallel connection. So at this time to do a 15 series and 2 parallel battery cell, the same can get 48v battery, then the need is 26 cells. And so on can be projected out of the different 48v battery pack series and combination.

See here, I think you should be able to understand how to calculate the amount of cells needed for 48v battery pack it.

Should I charge my lithium battery after every use?: The answer is NO, because lithium-ion batteries have no memory effect.

But it should be emphasized that if you need to store lithium-ion batteries for a long time, it is best to charge them to about 50% of their capacity before storing them, and then re-charge them to 50% every 3-6 months. This will extend the life of the lithium-ion battery.

Which type of lithium battery will last the longest?: According to the classification of different chemical composition, the common lithium-ion batteries are lithium manganate (LMO), lithium cobaltate (LCO) and lithium nickel cobalt aluminum acid (NCA), lithium iron phosphate (LFP) batteries and so on. And the most excellent performance in the life of the LFP battery. Under normal circumstances, other types of lithium-ion batteries can only be used for 3-5 years, LFP batteries can be used for 8 years or more.

What is the strongest lithium-ion battery?: In terms of overall strength (environmental protection, long life, safety, etc.), LiFePo4 (lithium iron phosphate) batteries are the best performing lithium-ion batteries.

When we talk about the "strength" of lithium-ion batteries, each type of lithium-ion battery has different advantages if we look at individual dimensions.

1. Energy Density: Lithium-sulfur (Li-S) and lithium-air (Li-Air) batteries have the potential to offer the highest energy density in lithium-ion chemistry.
2. Power output: Lithium titanate oxide (LTO) batteries are known for their high power output and ability to charge and discharge quickly.
3. Environmentally friendly: LiFePo4 batteries are the most environmentally friendly type of lithium-ion battery available.

Of course the above are just an examples. What best illustrates the power of LiFePo4 batteries is that it is now occupying the market share of lithium-ion batteries at a very rapid rate.

What is the lifespan of a lithium-ion battery?: The lifespan of lithium-ion batteries varies depending on the specific chemistry. Here are a few examples:

Lithium cobalt oxide (LiCoO2) batteries: These are the most common type of lithium-ion battery and typically have a lifespan of about 500 charge-discharge cycles.

Lithium iron phosphate (LiFePO4) batteries: These batteries are known for their longer lifespan and can typically last for over 2000 charge-discharge cycles.

Lithium nickel manganese cobalt oxide (NMC) batteries: NMC batteries are commonly used in electric vehicles and other high-performance applications, and typically have a lifespan of 800 cycles.

What is the advantage of lithium battery over regular battery?: There are several advantages of lithium batteries over regular batteries, including:

1. Higher energy density: Lithium batteries can store more energy in a smaller and lighter package.

2. Longer lifespan: Lithium batteries generally have a longer lifespan than regular batteries.

3. Faster charging: Lithium batteries can be charged more quickly than regular batteries, which can be especially useful for mobile devices and other applications that require frequent charging.

4. Lower self-discharge rate: Lithium batteries have a lower self-discharge rate than regular batteries, which means they can retain their charge for longer periods of time when not in use.

5. No memory effect: Lithium batteries do not need to be fully discharged before recharging.