Lithium Battery Charger Supplier to Your Lithium Battery

  • The lithium battery charger is used to charge your matched lithium-Ion batteries
  • The watt of our lithium battery charger is from 25.2W to 357W with CE,PSE and UL certificates
  • Lithium battery chargers have the plastic and metal house
  • The waterproof lithium battery charger also is optional

Our Service Key Figures

  • TLH Custom battery Experiences 17 + Years In the
  • TLH Custom battery collaborating partners 500 + Collaboration
  • TLH Custom battery Online Service 24 Hours Online
  • TLH Custom battery Pack Solution 1 Day Battery Packs
  • Custom battery Experiences 2 Weeks Received

Your Lithium Battery Charger Supplier

TLH is not one leading professional lithium battery manufacturer but also on lithium battery charger supplier to your custom battery pack solution.

If you buy the lithium battery charger from us,we will test each lithium battery charger with your lithium battery to ensure the lithium battery charger quality.

Our lithium battery chargers get the approval of CE,UL ,SAA and UL certificates.

More details ,please contact us.

Quality Control Procedures to Manufacture Lithium Battery Charger

  • Each lithium battery charger will be done aging testing before the shipment.
  • Our QA staff will test AC plug with your quality standard.
  • Different quality control standard for lithium battery charger for European,UK and North American market.
  • 10% random inspection lithium battery charger to test with your matched lithium ion battery pack

TLH: You Best Partner in the Manufacturing of Lithium Battery Charger

TLH started 15 years ago as a small company and now has more than 500 customers from all over the world. We aim to produce quality products for worldwide customers. To produce quality products, strict quality standards are being followed. Our experienced R&D team also helps us maintain the quality of all the products.

The lithium battery charger is used to charge Lithium-Ion batteries of E-Bike, Scooters, and Boats. The selection of Lithium Battery Charger is been made according to the ratings of Lithium-Ion batteries.

Our lithium battery chargers have the approval of CE,UL,PSE and SAA to support your sales and get the trust from your customer.

Our lithium ion battery chargers have the watt of 25.2V to 400W to meet your fast charge.

As our customers are from all around the world, that is why we have our sales offices in UK, USA, and Germany. We have a professional sales team with years of experience in dealing with customers. Our team is proficient in English and has excellent communication skills. Our goal is to give maximum efficiency with minimum lead-time.

If you want to buy a lithium battery charger or have any idea related to Lithium Battery Charger, do not hesitate to contact us.

Lithium Battery Chargers – The FAQ Guide

This FAQ Guide consists of all the important information related to a Lithium Battery Charger.

To find reliable answers to your queries, give it a look below!

1. What is the best lithium battery charger?

Most of the battery users have shifted to lithium battery packs for advanced technology and better power supply.

The lithium battery packs are light in weight, offer a longer life span and less maintenance.

A lithium battery charger is a voltage limiting ornament that provides safe charging.

Lithium battery chargers are the safest and provide the most effective and fast charging whereas causes the battery to work for a longer life span.

With keeping all these advantages in mind, a good lithium battery charger becomes the foremost priority.

The most top-recommended lithium battery chargers are:

  • Orion TR Smart Lithium Battery Charger
  • Progressive Dynamics Lithium Battery Charger

2. Does a lithium battery require special chargers?

Lithium battery packs can be charged from any regular charger, but it may affect the battery health and work in the longer run.

A lithium battery charger specially made for lithium batteries provides only the required constant current and constant voltage to the battery.

If you use a regular charger, the lithium battery would charge very slowly, and in the long charging process, you will damage your lithium battery pack.

So, it is recommended to only use chargers designed for lithium battery packs specifically.

3. What factors make the charger best for a battery?

As electronic devices are now used widely around the world, and efficient charger is what is required the most for outstanding performance.

The utmost aspects that make the charger best for a battery pack are:

  • Compatibility
  • Fast charging
  • Steadiness
  • Constant charge and current
  • The output current should be related to the battery pack
  • Reliable technology

4. Do lithium battery chargers have a monitoring screen?

The smart lithium battery chargers have a battery management system.

A battery management system is an electronic system that protects a rechargeable battery pack with safe and steady operating.

It consists of a monitoring screen that shows it states, calculates data, controls its environment, and balances it, and reports it to the user via the screen.

A monitor shows the following items:

The average temperature of individual cells and the battery.

The current flowing in and out of the battery.

The total voltage of the battery pack and the individual cells.

The flow of air and fluid in the battery pack.

fig 3 lithium battery charger with monitoring screen

Figure 3. Lithium charger with monitoring screen

5. How can you select a lithium battery charger?

Many factors are considered while selecting a charger for your lithium battery pack.

The most common factor is to confirm the input that the lithium battery pack requires and can withstand at once.

Irregular voltage input will damage the internal parts of the battery pack.

The output voltage of the lithium battery charger should be compatible with the battery.

The cost of the battery and the charger both should be considered as you should buy the highest quality products.

Buy a charger that has the same amp rating as to your lithium battery pack for effective working.

6. What voltages are available in lithium battery chargers?

As the lithium battery packs are available in 11.1V ,14.8V ,18V 22.2V ,25.2V ,36V ,48V ,60V and 72V , the lithium battery chargers are available in all these voltages.

Other battery chargers only fill up 80% of the lithium battery voltages in battery packs, so lithium-based battery chargers are designed for each voltage to observe effective and long-term working.

7. How do you know if the charger is bad for your lithium battery?

You can know if your lithium-ion battery charger is bad by noticing the charging indicators on the battery pack.

If the battery is serving only based on the plugin, then the charger may be the issue for not charging the battery pack.

It is recommended to check for the compatibility of the charger with the lithium battery pack to avoid any problems taking place.

Prevent any circumstances that may lead to malfunctioning if the charger such as temperature ranges, unsafe electricity outputs, charger plugged in for too long, all these factors and much more can contribute to the irregular working of the lithium battery charger and as a result, also ruin the battery pack.

8. Can you charge other battery types with your lithium battery charger?

The charger designed for lithium batteries can only charge lithium-based battery packs and cannot charge other battery types.

However, there are some standard chargers that can be used to charge several battery types.

Lithium battery chargers are based on constant current or constant voltage charge manner and the charger limits amount of current to a set level till the battery reaches the desired voltage.

If you use a lithium charger for any standard battery that does not require such voltage, the battery pack will be ruined from inside, work improperly, and may eventually die.

9. Which lithium battery charger provides the fastest charging?

The lithium battery charger that is suitable for the respective battery pack it is to be used with, provides the fastest and safest charging.

The rate of charging may differ for each battery pack and charger depending on the voltage the battery requires, and what the charger provides.

The lithium charger that fits perfectly with the battery works the best and carries out fast charging.

The compatibility of the lithium battery charger and battery pack is the main factor that affects the charge rate of the battery and carries out efficient charging in minimum time withstanding the battery health.

10. What is the optimal charging speed of a lithium battery charger?

The optimal standard charging rate a lithium-based battery can bear is 1C.

Charging your lithium battery slowly is better than fast charging for the long-term working and health of the battery pack.

The slow charging is better because it provides less internal heat, and no damage can occur.

The extreme temperature conditions hot or cold whether the battery is kept or is charging is never good for the battery pack and the charger.

11. How long do lithium battery chargers last?

Averagely, a lithium battery charger lasts 4 to 5 years and holds a charger for the first 6 – 8 months without losing its capacity.

They have a long lifespan with smooth working, without any problem.

If any problem occurs, that may be due to the fuse of the charger gone bad.

12. How to choose a charger for your lithium battery?

For the lithium-based battery packs, you should look for a charger with a to-the-point voltage output regulation as this type of battery packs are sensitive to overcharging and extra voltage.

Try to use only the charger that comes with the battery pack and is efficient working.

Keep a check on your battery pack and go through the manual to use only the chargers recommended for the specific battery pack.

As referred to, as a rule, the lithium battery charger should be at least 10% of the Ah rating of the lithium battery pack.

fig 4 lithium battery charger

Figure 4. Lithium battery charger circuit

13. How do you operate your lithium battery charger?

The lithium-ion battery packs are available in different shapes and sizes with different voltages however, their inner components are the same

When you plug your lithium-ion battery into a charging device, the positively charged ions move from the anode towards the cathode and as a result, the cathode becomes more positively charged than the anode.

This as a result attracts negatively charged electrons to the cathode.

The cathode and anode store lithium and the electrolyte carries positively charged lithium ions through the separator.

The movement of such lithium ions gives birth to free electrons in the anode and a charge is created at a positive current collector.

This is how the lithium battery charger provides current to the battery pack and stores it.

Following is a tutorial on operating a battery charger.

14. How many types of lithium battery chargers are available in the market?

There are two different types of battery chargers available in the market nowadays but both with entirely different properties and budgets.

The difference between both types should be known before buying them.

Smart chargers:

The Smart battery chargers are made to find any missing voltages left in any battery pack.

These chargers custom charge the battery pack according to the requirement.

Such chargers are very costly but offer tremendous working and advantages.

It works perfectly with lithium batteries as it does not over or undercharge them and allows the user peace of mind from the recharging of battery packs or such issues as overcharging.

Smart chargers are universal and can comply with numerous sizes of battery packs and chemicals at once.


fig 5 smart lithium battery battery charger

Figure 5. Smart Battery charger

Timer controlled charger:

Such battery chargers are already set as they come from the factories with a built-in automatic turn-off timer.

Due to this factor, you can let the charger on while connected to the battery without the fear of overcharging as it will shut off itself once the timer setting is over.

This device cannot detect the remaining number of voltages and just works as it is set to work.

It is a cheap way to charge your battery pack but if the timer is set for a longer time or lesser times, it may result in over or undercharging as the charger will go off once the timer is over.

So, it is better to invest in a better charger than to spend less money before and more when the battery pack is ruined.

15. Do lithium battery chargers give out fixed voltage?

Yes, the amount of voltage the charger is designed for, only gives out that amount of voltage.

The lithium battery chargers are designed on a constant current and constant voltage manner which makes them the safest and most reliable chargers.

The charger current is constant, and the voltage is stopped once it reaches a set limit.

16. Can a lithium battery charger damage the battery pack?

Specifically, lithium-designed battery packs do not damage lithium batteries unless under certain conditions.

Overheating, overcharging, and already damaged battery packs are seen to catch fire or less to dangerous unwanted situations.

If you use the correct charger with your battery pack, you will not face any damages or malfunction.

An unsuitable charger is if the lithium battery charger and the battery pack are not compatible with each other in voltages of amperes, it may cause a problem.

Overcharging can cause the battery pack to heat up from the inside and disrupt the chemical reactions taking place in it.

17. What does the voltage of a lithium battery charger mean?

The voltage written on the lithium battery charger means the amount of voltage that the charger can give out or is suitable for.

All lithium battery chargers have voltage written on them which makes it easier to select a charger for your battery.

If you have a lithium battery pack of 24v, you must only use a lithium battery charger that is suitable for 24v.

If you use a 12v charger for your 24v lithium battery pack, it will ruin the battery from the inside and also the chemical reactions taking place in it.

Such an issue can cut short the lifespan of the battery pack and slow down its working processes.

18. Are all lithium battery chargers safe?

The lithium battery chargers are safe if taken proper care of and used with proper measures.

The charger which is designated for the specific battery type is never dangerous for it.

The circumstances it is used in or the way it is operated may cause it to be dangerous.

19. Can a lithium battery charger prevent overcharging?

The correct charger for your lithium battery pack is designed to prevent overcharging and any other such issue.

The lithium charger must be compatible with the battery pack’s Ah rating.

Most of the battery packs and smart lithium battery charger have protection system in them which prevents any shocks and overcharging that may affect the battery.

Such protection systems turn off the charger at once as soon as the battery pack is fully charged to prevent overcharging.

However, the suitable and correct lithium battery charger for the battery pack will not cause overcharging and turn off itself so that the battery can provide the best working and durability for a longer time.

20. At what temperature does the lithium battery charger charge the best?

As every device has set standards, a lithium battery charger does too.

The temperature range at which the lithium battery charger works the best is the room temperature.

Try to maintain a constant temperature in the area where the battery is charging.

Charge the battery at room temperature around 25°.

If the temperature is below 0° Celsius or above 40° Celsius, the charger may behave abnormally and affect the battery pack.


Temperature plays a very main and significant role in the battery’s functioning and charging and also limits the application of lithium battery packs.

High temperature can cause the battery pack and the charger to heat up from the inside and work improperly.

Low temperatures slow down the chemical processes in the battery pack and gradually kill the battery cells.

The ideal operating range of temperature for the lithium charger and the battery pack is between 16° to 25° Celsius.

21. What causes the lithium battery chargers to fail?

The main causes of battery chargers to fail are as follows:

  • The temperature of the battery and the circumstances being outside the required capacity of the lithium battery charger.
  • The safety expiration of the charger.
  • Improper handling of the lithium battery charger.
  • The poor input source of the charger.
  • The running out of fuse of the charger.

22. How do you read the amps meters on a lithium battery charger?

To read the amps on a lithium battery charger, connect it to a multimeter and plug the charger in and turn the multimeter on.

The amp meter on a battery charger has numerous sets of numbers.

It depicts the lowest to highest charge rate a charger can deliver, the battery charging percentage and as the battery proceeds to charge, the needle moves from right to left.

The needle will move to the number of amps that the charger delivers.

The device will give you a reading displaying the voltage that is being given out by the charger.

fig 6 lithium battery charger amp meter

Figure 6. Amp meter

23. How long can you keep the lithium battery charger connected to the battery?

Do not leave a lithium battery connected to the lithium battery charger for long once the battery pack is charged.

Even if the battery pack is fully drained, it takes up to 6 to 8 hours to be fully charged, so leaving your battery connected to the charger for longer will only result in overcharging.

Overcharging is a very main issue in the usage of battery packs as they slowly ruin the battery health and cause it not to hold a charge anymore.

This results in the improper working and malfunctioning of the battery pack resulting in a shorter life span and non-effective working.

So to keep your battery healthy and safe, do not leave your lithium battery charger plugged in the battery pack to prevent overcharging.

24. How do you know if your battery charger is charging?

You can know if your battery charger is working or not by testing it.

The charger testing procedure is common despite the charger type through a voltmeter or a multimeter by connecting the plugs of the device with the charger.

The device will show you a reading through which you can get to know about the working status of the charger.

Check the reading on the device and where it is pointing towards.

If it is on the left side then switch the plugs with each other and if it points towards the right, it will show that the charger is giving out current.

The amount of charge coming out will be determined through the pointing of the needle in the device.

Following links to a tutorial showing how to check the status of a battery charger.

If you connect the charger to your lithium battery to check the charger status, the needle will move efficiently to the right and then move gradually to the left as the battery proceeds to charge.

This is a sign that the charger is working. If it does not move, it means that the charger is either not in a working position or not suitable for your battery.

25. What do lights indicate on a lithium battery charger?

The light on a lithium battery charger indicates the charging status of a battery pack.

Different chargers have different indication methods through light.

The 1st blinking means that the battery is 0-25% charged, the second blinking means the battery is around 50% charged, the third blink depicts that the battery is 75% charged and charging while the last blink shows the battery is fully charged.

Some battery chargers have a light that only indicates when the battery pack is fully charged.

Such as while the battery is charging, the lithium battery charger shows a red light and as soon as it is fully charged, the light turns green depicting that the battery is fully charged and is ready to unplug.

Whereas some chargers nay show a blinking green light while the battery is charging and turn solid as soon as the battery pack is fully charged.

26. How does the charger indicate that the battery is fully charged?

There are numerous ways through which we can know that our lithium battery is fully charged.

Through the battery charger, we can know that our battery is fully charged if the charger has a monitoring screen.

The screen depicts the battery’s charge status and percentage.

Some chargers may have a light beam that changes its color to indicate that the battery is completely charged.

A fully charged battery will show a reading of 12.6 to 12.8 volts on the display screen or if you check through the voltmeter.