Rechargeable Lithium Ion Battery Pack RFQ

  •  Li-ion battery pack solution provider over 15 years
  • One team with the professional technician and well-trained workers to support production quality
  • Regular customer visiting schedule to abroad
  • Support you to get certificates -UN38.3, CE, and UL

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 Powerful Rechargeable Battery Pack Factory

TLH battery as one reliable rechargeable battery pack factory over 15 years. When you meet the quality issues,Your complaints will be cherished by the TLH battery.TLH batteries keep our customers’ feelings and service experience at first. We rule that every salesman needs to handle the complaints within 24 hours. Our sales manager or sales director will follow up and give you the solution when our salesman does not know how to handle or has some accident to him. To be one honest factory is our faith.

Custom Rechargeable Battery Pack to Your Application

24V 20Ah Smart Lithium Battery
The cells are only adopted LG,Panasonic, Samsung cells, Hardware and Software BMS
12V 100Ah 18650 Rechargeable Battery
Instead of Lead Acid Battery Capacity from 20Ah-300Ah
24V 10Ah Li ion Battery
12V or 24V rechargeable battery pack for fishing

Strict Quality Control Process for Your Rechargeable Battery Pack Order

  • Strict cells sorting standard to make the same inner resistant, capacity, voltage to build one rechargeable li-ion battery pack
  • Well-trained soldering workers to ensure circuit quality
  • Each rechargeable battery pack doing aging testing for your battery discharge and charge testing.
  • Introduce an automatic welding machine to ensure your rechargeable lithium-ion battery quality


TLH -Your Premier Rechargeable Battery Manufacturer & Factory from China

TLH battery has been one premier rechargeable battery pack manufacturer & factory over 15 years. We have gained many partners from different industrial applications, such as electric bikes, electric scooters, medical devices, AGV, and custom power tools. If you do business in some part of our industrial application, you can call us. Even you are new, we are open to you and help you start a business.

Our engineers have rich experience to design a rechargeable battery pack with 18650 and 21700 cells. If you would like to make your product more smart and unique, please leave your message. We can supply your smart BMS – CANBUS, UART, SMBUS, etc. and your products look science and technology.

Our sales team is very professional and enthusiastic to support all your requests. If you meet the complaints about our service and quality, just let us know.We will help you to find why to cause quality. Then we can ask you our modified solution. If your battery can repair, you can repair by your side we will send you accessories. If your rechargeable battery can not repair, we will send you the replacement in the next order.

To be one great company is our dream. Do you have the same dream? Please call us for more cooperation and share.

Rechargeable battery Packs- The ultimate Guide

Rechargeable battery packs have influenced the technology to the new era of advancement.

There are numerous types of rechargeable battery packs, and each one of them is unique in its own way, hence raising a lot of queries.

Our technical team have devised these queries along with their most feasible solutions so that you can decide the best solution of battery packs.

1. What are the types of rechargeable battery packs?

There are different types of rechargeable battery packs; each battery pack is unique according to its specifications and features.

There are rechargeable battery packs made up of:

  • Lead-acid battery packs
  • Ni-cad Battery packs
  • Li-ion battery packs
  • Alkaline battery packs
  • NiMH battery packs

Different types of Rechargeable battery packs

Figure 1 Different types of Rechargeable battery packs

We offer different variants of lithium battery packs as rechargeable battery packs.

We believe that lithium battery packs are the most advanced and applicable form of battery packs.

TLH offers the following list of rechargeable battery packs for you:

Lithium-ion battery packs are preferred in usage due to their least hazards.

Li-ion battery packs are the new evolving technology in battery packs, and you can get every customized solution in Li-ion battery packs.

TLH offer the customized solution of rechargeable battery packs, and you can get customized 3D designs for your battery packs.

Li-ion battery packs are more convenient in terms of storing as compare to other battery packs.

Li-ion battery packs have diverse operating temperature ranges.

Li-ion battery packs are equipped with modern BMS and cell balancing system.

We are in Battery manufacturing for more than a decade, and our technicals have advised Li-ion battery packs as the most efficient rechargeable battery pack solution.

For more information related to different types of battery packs, please visit the following video.

2. What is the lifetime of rechargeable battery packs?

The lifetime of rechargeable battery packs varies according to each variant of the battery pack.

The lifetime of each rechargeable battery pack is mentioned on its nameplate.

It is advised that you should consider your product features and then inform TLH officials regarding them.

We usually provide 600 charge cycles for most of our rechargeable battery packs, and this number can be customized according to your need and specifications.

Usually, Lithium-based rechargeable battery packs have a life span of two to three years.

The battery pack’s lifetime depends upon various factors, which can either increase or decrease your battery packs’ life span.

It would help if you took care of the charging and discharging cycles of your rechargeable battery pack.

If you are not following the charging and discharging according to the user manual, it will decrease in a lifetime.

Usage of Rechargeable battery packs

Figure 2 Usage of Rechargeable battery packs

You should keep regular maintenance of your battery pack so that you can avoid any fault for battery packs.

You should avoid storing battery packs at extreme temperatures as it will damage the battery cells.

Don’t use alternative chargers other than prescribed chargers because it will disrupt your battery packs’ charging cycles.

Always check for short circuit and over-voltage of your battery packs as it will help you keep a record of power flowing in and out of your battery packs.

You should make sure that you install the battery management system with your battery packs because it gives your battery multi-level protections.

If you want to know about each rechargeable battery pack’s lifetime, please visit the following link.

3. Why should we prefer rechargeable battery packs over non-rechargeable battery packs?

Non-rechargeable are the battery packs that can be used only once, and they are disposed of after usage.

They are not manufactured to be recharged, and then they are disposed of after discharging.

These types of batteries include silver oxide, zinc-air, carbon-zinc and alkaline batteries

Simultaneously, rechargeable battery packs can be used again and again, depending on their charge cycles.

The reusable battery packs have dedicated chargers for the charging of battery packs.

TLH offers Lithium-based rechargeable battery packs.

Rechargeable battery packs have the substantial upper hand on non-rechargeable battery packs.

The rechargeable battery packs offer an uninterrupted supply of voltage and current to your device; on the other hand, non-rechargeable battery packs offer supply only once.

The rechargeable battery packs are economical for long term usage; on the other hand, we need a lot of non-rechargeable battery packs for long term usage.

Rechargeable battery packs can be equipped with a battery management system to offer multi-level protections to your battery pack.

On the other hand, non-rechargeable battery packs aren’t equipped with the battery management system, or their installation will make them quite expensive.

Rechargeable battery packs have diverse applications as compare to non-rechargeable battery packs, and they can be installed in vehicles, medical equipment, military equipment and etc.

Non-rechargeable battery packs have to confine usage to tiny applications.

Non-rechargeable battery packs aren’t environmentally friendly, and they are more frequent to disposal because of their least life span.

On the other hand, rechargeable battery packs have many charge cycles, making them last for a more extended period.

Comparison of Rechargeable battery packs with single use battery packs

Figure 3 Comparison of Rechargeable battery packs with single use battery packs

Technology has evolved dramatically in rechargeable battery packs, but non-rechargeable battery packs haven’t seen any remarkable increase in development due to their limited time of life.

You can save a lot on logistics cost by adopting rechargeable battery packs, as they tend to last for a longer period so that you can cut down the logistics cost.

Lastly, suppose you are a B2C business.

In that case, you should know that the end customer doesn’t like to have a continuous change of batteries in their devices, so you should prefer rechargeable battery packs to enhance the end user experience.

For comparison of rechargeable battery packs with single use battery packs, please visit the following video.

4. What are the specifications and features of rechargeable battery packs?

Rechargeable battery packs are the core of your devices and systems as they provide uninterrupted supply.

It is essential that you should consider the specifications and features of battery packs to get optimum battery performance.

TLH technical staff offers various features to rechargeable battery packs.

You can get customized 3D design for your battery packs from TLH officials, and we also welcome customers 3D designs.

We offer different variations of li-ion battery packs.

We offer 12V, 24V,72V and 36 volt of lithium-ion battery packs.

Each of these battery packs comes with a customized current, power rating.

We also offer a customized charge cycle for your rechargeable battery packs.

We use highly efficient cells from Panasonic, Samsung, LG, and Chinese to maintain your rechargeable battery packs’ optimum performance.

Our rechargeable battery packs are tested under international standard certifications.

We follow testing for the usage and transportation of rechargeable battery packs.

We mention all of these details in the user manual so that you can use the battery pack according to exact specifications.

Our rechargeable battery packs are equipped with a battery management system.

This enables the smooth flow of supply to your device and prevents any faults to your device and battery packs.

We offer 12 months warranty to our customers, and we offer an extended warranty of 18  months to our regular customers.

5. What are the applications of rechargeable battery packs?

Rechargeable battery packs have diverse applications.

These battery packs can be used in military, medical, household and industrial devices.

You can get customized rechargeable battery packs from TLH according to your device specifications.

You can install them at any place of usage, and you can install them even in isolated places to fulfil your energy demands.

Rechargeable battery packs are of great importance in third world countries because these countries lack electricity.

These countries can install rechargeable battery packs with renewable energy resources to fulfil their energy demands.

Applications of rechargeable battery packs

Figure 4 Applications of rechargeable battery packs

6. How can we use rechargeable batteries of different capacities together?

Yes, you can use the batteries of different capacity together, but you should not mix the batteries of different chemical compositions.

This may lead to cells disruptions or leakage.

Batteries of different compositions have distinct properties of charge and discharge, which may lead to underperformance.

If you are using batteries of the same compositions, then you can use a combination of different ratings to set the ratings and capacity of rechargeable battery packs.

You can use two connections for it.

You can either use a parallel combination or use series connections to mold the battery packs’ capacity and output.

Parallel combinations of battery packs

Figure 5 Parallel combinations of battery packs

Series combination of battery packs

Figure 6 Series combination of battery packs

You can also use a joint combination of parallel and series together.

In series combination, positive terminals of a battery are connected to the next battery’s negative terminal; this formation is followed for the rest of the cells.

We can increase the overall voltage output of the battery packs from this combination because the total output is the sum of every individual battery pack.

In the parallel combination of battery packs, all batteries’ positive terminals are connected, and the negative terminals are connected.

Under this combination, the output current can be increased.

The output current is equal to the sum of the current of every individual battery pack.

The last combination is the parallel-series combination.

Under this combination, we can use both series and parallel combination together.

From this, we can get customized current and voltage output for our device and system,

While connecting batteries to any combination, you should make sure that there isn’t any short circuit between battery packs.

You can check this by DMM connectivity option, which is essential because it can lead to fire hazard and cell disruption.

7. How can we determine the rechargeable battery capacity?

You can determine the capacity of battery packs from its nameplate.

You can also consult the user manual of the battery pack.

In case both of these options are not available, you can use DMM to identify the battery pack rating.

You can quickly get a DMM from the market, turn the DMM selection switch to DC voltage supply, and connect the COMM terminal of DMM with the negative terminal and other terminals of DMM with the positive terminal.

By doing so, DMM will give you the exact output voltage of your battery packs.

You can connect DMM in series to the battery pack to determine the load current, and you can also use an Analog and digital ammeter for it.

You can then use the formula of P=VI to calculate the power capacity of the battery packs.

If you can’t use this method, you should look for the battery manufacturer number on your battery and battery packaging.

You can give this number to your battery manufacturer, and he/she will let you know about its battery capacity.

The American National Standards Institute (ANSI) procedure is as follows: Step 1 discharge new cells at 0.2 C to 1 volt. Step

2 Charge cells at 0.1 C for 16 hours. Step 3 rest cells for 1 hour. Step 4 discharge cells at 0.2 C to 1 volt. Battery capacity is determined by the hours of service to 1-volt times the discharge rate (mA x hours = mAh)

8. What are the protections placed in TLH’s Rechargeable battery packs?

We greatly emphasize user’s safety; hence our technical staff has taken special consideration for the battery protection.

We offer a Battery management system in our battery packs.

Along with BMS, we offer a cell balancing system in our rechargeable battery packs.

On the off chance that your cells aren’t balanced, it could influence your battery execution, subsequently adjusting the circuit is expected to control the battery on the occasion of unevenness.

Using an imbalanced battery will provoke under execution of the battery because the battery will not have the alternative to charge and delivery to its most extraordinary cutoff; like this, it will lessen the constraint of the battery cells.

Balancing the circuit is critical because it charges and deliveries the cells’ aggregate to their most extraordinary worth; this will grow the strength and decrease the chances of deficiency for your battery and device.

In the event that the cells have distinctive voltage levels across the cells, it could bring about ill-advised force appropriation from the phones to your gadget.

A balancing circuit is essential for your battery packs because it enables proper charging and discharging cycles.

Simultaneously, we offer protection against short circuit, over-voltage, overcharging and discharging.

We have placed relays of safe voltage level, and these relays trip the system if the voltage level exceeds the safe voltage level.

Protections in TLH rechargeable Battery packs

Figure 7 Protections in TLH rechargeable Battery packs

We equip our batteries with a battery management system, and this enables multi-level protection to your battery packs.

BMS restricts the excess flow of voltage and enables smooth flow of voltage to your systems and devices.

Our BMS is equipped with an advanced level of communication; hence it makes response time quick.

In case there is a fault, then BMS will trip the whole system to avoid any damage to the battery or the device.

Additionally, it will represent the error or fault on the HMI, and you can check the fault diagnosis from the user manual.

TLH also offer customized battery protections for your rechargeable battery packs.

You need to explain the battery applications to our technical staff, and we will suggest to you all the possible safeties related to it.

9. What are the reasons for the early discharge of Rechargeable battery packs?

There can be many reasons for the early discharge of rechargeable battery packs.

One of the main reasons for it is the imbalance of cells with the battery packs, disrupting the battery packs discharge and charge cycles.

Another reason for the early discharge is the exposure of battery packs to extreme temperatures.

Simultaneously, any abuse of rechargeable battery packs will also damage discharge cycles.

If you have store the battery packs for a more extended period, it could also lead to early discharge of battery packs.

In case you are ignoring the faults of battery packs, it could lead to disruption in battery cells hence disturbing the discharge cycles of rechargeable battery packs.

You can also experience early discharge if you aren’t charging from prescribed lists of manufacturer chargers.

10. What is the working phenomenon for Rechargeable battery packs?

Rechargeable battery packs have the same working phenomena that non-rechargeable batteries have.

It includes the chemical reactions on the negative and positive electrode of battery cells.

One electrode is having oxidation, while the other electrodes have a reduction.

These reactions enable the movement of positive ions to negative electrodes inside the battery.

This movement of ions inside the battery will result in current flow.

Rechargeable batteries have one difference from disposable batteries, and this happens when you use external power to charge the battery cells.

working of a Rechargeable Battery pack

Figure 8 working of a Battery pack

This doesn’t occur in disposable batteries, but this charging enables reverse chemical reactions in the battery packs.

Under this, the positive ions are attached to the electrons on the negative electrodes.

Now the battery is ready to be connected with an external load.

For a brief introduction to the working of rechargeable battery packs, please visit the following video.

11. What are the environmental issues related to rechargeable battery packs?

Technology always comes with some stake to the environment, but we need to calculate its impacts on the environment.

In battery packs, we need to check the solvent and electrodes because they are the primary toxicity source.

As compared to other rechargeable battery packs, Lithium-based batteries are far less toxic than lead-acid batteries.

Li-ion electrodes and solvents are made up of the least hazardous material.

Lithium iron phosphate is even more environmentally friendly as compared to Li-ion battery packs.

You should make sure than you aren’t disposing of the batteries to open grounds, but you should recycle them by giving them to recycling companies

There is concern about the mining of lithium deposits because it contributes to environmental damages.

Rechargeable battery packs help in renewable energy resources, so they are a great alternative to fossil fuels.

12. What is the best Rechargeable battery pack for renewable energy resources?

Renewable energy is the next big thing in the energy sector; hence the world is continuously looking for sustainable battery storage.

You have multiple rechargeable battery packs solutions for renewable energy resources, but you have to consider various things.

You should know the lifespan of battery packs because it will decide the whole feasibility plan for a renewable energy solution.

Simultaneously, you should know the battery pack’s capacity so that you can devise the energy plan accordingly.

It would help if you considered each solution’s environmental impacts because it will back your cause of green energy solutions.

Under these all points, Lithium-based battery packs are the most efficient solution for your renewable energy solutions.

Lithium-based battery packs offer a longer life span with the least environmental hazards.

Lithium-based battery packs are more sustainable to a diverse environment, and they are more compact as compare to other battery packs.

You can get comfortable and efficient customization in lithium-based battery packs.

Lithium-based rechargeable battery packs have a larger capacity to back your power requirements.

TLH lithium-based battery packs also contain BMS and cell balancing circuits, enabling smooth power supply and multi-level protections.

Your renewable energy solutions contain sensitive electronic; hence it needs higher protections.

For this, we have installed all of the required safeties in our lithium batteries to avoid any disruption to your electronics.

13. How can I replace Rechargeable battery packs on devices having single-use batteries?

You can easily replace non-rechargeable battery packs with rechargeable battery packs.

You need to get a rechargeable battery pack with the matching specifications, and then you can connect it with your system or device.

Usually, there aren’t any restrictions on it, but you should always consult the device’s user manual for confirmation.

14. How TLH can helps me grab the best deal of Rechargeable battery packs?

TLH is having more than a decade of experience in battery production.

We define fine lines for the manufacturing of rechargeable battery packs

TLH officials can give you customized 3D designs for your rechargeable battery packs.

We provide free sampling to our customers.

We keep continuous follow up with our customers during the production stages.

Figure 9 TLH believes in providing you best deal in term of performance and price

We offer 12 months of warranty along with extended months of warranty to our regular customers.

We offer a diverse communication system for your battery packs, and we can provide communication speeds up to 1 Mbps.

We can also send you a sample through fast shipping.

TLH officials are always available to offer you 24/7 assistance.

We have state of the art testing and manufacturing equipment for the rechargeable battery packs.

15. What are the maintenance practices for Rechargeable battery packs?

TLH battery packs require minimum maintenance practices.

It would help if you made sure that terminals and connections aren’t equipped with dust or carbon because it hinders the power supply.

You should keep a check on the discharge and charge cycles of battery packs.

You should check for short circuit possibilities.

Regularly check on protection relays; their proper working is essential for the safety of your battery health.

You should also check that your battery cells are balanced because it enables proper supply to your system.

Always check battery temperatures; it can state a lot about battery conditions.

Please don’t keep your rechargeable battery packs at extreme temperatures because they will destroy your battery cells.