lithium ion battery pack 18v 4Ah 4.4Ah 5.2Ah 7Ah use 18650 cell

lithium ion battery pack 18v 4Ah 4.4Ah 5.2Ah 7Ah use 18650 cell, 10pcs cells to make 5S2P lithium ion battery pack. Samsung, LG, Panasonic, Chinese Brand 18650 2000mAh/2600mAh/3500mAh cell for option.


  • lithium ion battery pack 18v 4Ah 4.4Ah 5.2Ah 7Ah use 18650 cell can be used for any 18V DC powered products.
  • Usually the product engineer will design a battery container/space to hold and protect the battery.
  • The rated capacity can be 4Ah 4.4Ah 5.2ah 7Ah, with samsung, LG, Panasonic, Chinese 18650 2000mAh cell, 2200mAh cell, 2600mah cell, 2900mAh cell, 3500mAh cell for option.


Model No. FP-PB-5S2P
Nominal Voltage 18V
Output voltage range 14V(14V=2.8V*5) to 21V(21V=4.2V*5)
Nominal Capacity 4Ah / 4.4Ah / 5.2Ah / 5.8Ah /7 Ah
Cell Type Cylindrical 18650 2000mAh / 2200mAh / 2600mAh /2900mAh / 3500mAh cell
Series Parallel Connection 5S2P
Discharge current 4-10A
Size Around 40*72*105mm
Protection Over charge voltage protection, Over discharge voltage protection, Over discharge current protection, Over Charge current protection, High temperature protection, Short Circuit Protection.
Connector Option DC connector, XT connector, JST Connector, XLR Connector, Anderson Connector, Aviation Connector, Waterproof Connector
Prototype Lead Time 7-12 days after confirmed details

Knowledges of lithium ion battery pack 18v

Basic Knowledges

Production Knowledges

Shipping Knowledges

Certificate Knowledges

Use & Storage Knowledges

Quality guarantee of lithium ion battery pack 18v


Each battery from Flion will pass electrical features and assembly work quality check and records trackable.


Our batteries can comply with CE/UL/IEC62133/UN38.3&MSDS lithium ion battery standards.


Each battery from Flion comes with a general 12 months warranty, with 18~24 months warranty for option.


With over 12 years design and manufacturing experience of lithium ion battery pack.

Inquiry to Production Process of lithium ion battery pack 18v

Step 1


  • Collect informations of your contact, company, battery requirement.
  • Battery requirement details includes battery voltage, capacity, size, charge/discharge current, application, quantity..etc
Step 1

Step 2

Sending Inquiry

There below 4 ways to send your lithium battery inquiry.

  1. Send to our email ;
  2. Message via What’s App : +86 18911938253 ;
  3. Click the "ENQUIRY" button and submit inquiry form.
  4. Go to "Contact Us" page and finish the inquiry form.
Step 2

Step 3

Solution & Quoting

  • Free lithium battery pack solution design.
  • Professional quotation and reasonable prices.
Step 3

Step 4


  • Make Lithium battery prototype in around 7-12 days.
Step 4

Step 5


  • Sending battery prototype to customer via UPS/Fedex/DHL, 5-9 days.
Step 5

Step 6

Mass production & Certificates

  • Mass production lead time is aorund 15-35 days depands on quantity.
  • CE/UL/IEC62133/UN38.3 certificates can finished in around 2-4 weeks.
Step 6

Applications of lithium ion battery pack 18v

  • All DC powered portable electric products, like portable households, portable handhold cleaning sets, portable power tools ...
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