48V Battery Pack Manufacturer

  • Custom 48V lithium battery pack since 2010.
  • PCM/BMS customized available.
  • Provide RS485, RS232, CAN BMS Protocols optional.
  • Capacity, Size/dimension can be customized.
  • PVC wrap, ABS, Metal housing can be chosen.
  • Short-circuit, over-current, over-voltage protection.
48V lithium battery

Why choose 48V lithium-ion battery?

  1. High working voltage, nominal voltage 3.7V
  2. Excellent high temperature resistance, -20~60°C.
  3. Higher weight-to-energy ratio and volume-to-energy ratio.
  4. No memory effect, no need to discharge before charging.
  5. Long lifespam. Under normal working conditions, the number of charge/discharge cycles of lithium-ion batteries is much greater than 500 times.
  6. Since the battery does not contain cadmium, lead, mercury and other heavy metal elements, it has no pollution to the environment and is the most advanced green battery in modern times.

How to charge a 48V lithium battery?

  1. Moderate charge. By charging and discharging lithium-ion batteries appropriately, battery life can be extended. The battery capacity of lithium-ion batteries is maintained at 10% to 90%, which is conducive to battery protection.
  2. Choose the right charging temperature. Lithium battery charging temperature range: 0~45℃, lithium battery discharging temperature range: 0~60℃.
  3. Avoid overcharging. Lithium-ion batteries must avoid overcharging during the charging process. Any form of overcharging of lithium-ion batteries can cause serious damage to battery performance and even explode.
  4. No activation for the first charge, standard charging time. The charge and discharge characteristics of lithium batteries and nickel batteries are very different. Do not charge for more than 12 hours, repeat three times. Charge according to standard time and method, especially don’t charge for longer than 12 hours.
48V lithium battery applicant
  • Street lights, high mast lights, garden lights, solar street light, security lights.
  • Medical devices, physical therapy equipments, nebulizer, scraping apparatus, blood pressure monitor.
  • Lawn mower, floor sweeper, riding mower, robot mower.
  • Electric tools, power drill, power tool.
  • Electric bike, electric bicycle, powerful motorcycle bike.
  • Remote control car, remote control toys, childen vehicle.

How is our technical support service?

  • The technical center covers professional techniques of cell selection, industrial design, electronic, power supply, structure, process, software(BMS, balanced). It has been widely used and proved the whole solution is outstanding.
  • Cell selection: Samsung, LG, Lishen, Roofer, and other 18650 cell suppliers have established good cooperative relations.
  • PCM/BMS: Multi-protection intelligent BMS management system, Automatic communication function, and SOC indication.
  • Structural design: High structural strength, light, and convenience.
  • Charger selection: recommend the best charger option based on finalized battery.

Quality Products

  • Our lithium-ion battery pack conforms to Li-ion battery national standard GB/T18287/2020.
  • Each battery meets the demand of Rohs2.0 REACH requirements
  • With ZERO complaint principle to proceed all manufacturer works.
  • We will help you to get all the necessary certificates, some of the commonly known ones are listed below:
    UN 38.3
    IEC 62133
    UL 2054
    Air & Sea Transportation Report
3D illustration of a rubber stamp mark with thumb up and text high quality over paper background

48V Lithium Battery Manufacture Process


To understand the real demands of the 48V lithium-ion battery pack, you need to provide the lithium battery size, electrical performance requirements, output requirements, and functional information.

Quick Response

Evaluate a solution and quote the known parameters provided by the customer, also provide full datasheet for reference. We will consider the cell selection, circuit and structure design to final assembly.


After the customer’s approval, we will start to make samples for the 48V lithium-ion battery pack, and provide charging and discharging cycle curve and data.

Sample Test

Before delivering out, we definitely do battery pack aging test. Assist and track customer test results, as well as customer’s overall equipment operation effect.

Certificate Proceed

We will discuss with customer certificate works based on the final country and applicate requests. It may be MSDS, UN38.3, IEC62133, KC, PSE, etc.

Mass Production

Develop process documents and BOM sheet, purchase materials, arrange staff production, quality personnel monitoring, and random inspection, and package and shipment.

Manufactured to National Standard GB/T18287-2020

  • All are producing at 5S & dust free plant. Our daily production is up to 10K pieces.
automatic sorting machines
18650 battery sorting
our workers

Chemical Test

Automatic Welding

Final Testing

  • Cell Formation & Grading
  • Temp & Hum Controller
  • Short-circuit Test
  • Salt Spray Test
  • Molding System
  • Automatic Welding
  • Automatic Welding
  • Final Test
  • Packing

Need Any Customized 48V Battery Pack?

You will receive the charge & discharge curve

  • 12S2P Battery Pack, It is a 5A charge & 10A discharge curve test as a sample for your review.

Time - voltage & current

Capacity - voltage

Time - capacity & specific capacity

Cycle number-charge capacity & discharge capacity & charge specific capacity & discharge specific capacity

Product & Factory Certificates

  • All batteries are require related certification apart from lab testing, such as voltage, current measure, and each countries have different certificate demand.
  • Clients are welcome to have any 3rd party certification company verify our batteries or the factory documents.
  • We have been working with UL, TUV, SGS certication lab. All batteries approved by UL1642, UN38.3, IEC62133, PSE, KC, CB, MSDS certificate or report.
battery certificate

Write To Us

Why choose us, HLC?

  • Safety & Reliability
    All Battery cells will pass rigorous testing. All Battery Packs are Certified and are compliant with regulatory and safety requirements. 
  • Certifications
    CE, ROHS, FCC certification and high reliability. UL 1642, MSDS, UN 38.3, IEC 62133,KC,PSE,BIS certifications and more available.
  • Customer support
    Quick turn-around on battery assemblies(10-20 Days). 24*7 services are available.

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@hlcbattery.com”