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3S8P Li Ion 18650 Battery Pack

Product Details:
Place of Origin: Guangdong, China
Brand Name: RYDBATT
Certification: CE ROHS UN38.5 MSDS
Model Number: 10.8V 20.8Ah
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: USD85
Packaging Details: Customer requirements
Delivery Time: 30-45 work days
Payment Terms: D/P, T/T,
Supply Ability: 800PCS /Day
Specifications Product Description Request A Quote
Type: Lithium-ion Battery
Cycle Life: 500 Times
Application: Medical Device
Capacity: 20.8Ah, 23.4Ah, 26Ah, 28.6Ah Or Customized
Voltage: 10.8V, 14.4V, 18V, 21.6V
Certification: CE/ROSH/UL/MSDS/UN38.3/CB, IEC62133
Cell: Panasonic/Samsung/LG Etc
OEM: Acceptable
Charge Current: 4A
Continuous Discharge Current: 30A
Output Connector: Bare Wire Or Customized Connector
Maximum/peak Working Current: 100A +
High Light:

18650 cell pack


18650 lithium battery pack

Product Description

Certified cell 18650 3S8P connected Lithium ion battery pack 10.8V 20.8Ah With sleeve for medical device


Product specification

No. content Testing method Remark
1 Charge cut-off voltage 12.6V  
2 Discharge cut-off voltage 8.4V  
3 Standard charge
Under the condition of the ambient temperature of 25±2℃,Charge the battery at constant current of 0.2C to reach 12.6V. Then charge the battery at constant 12.6V voltage until the charging current decreasing to 0.02C.
4 Standard discharge
After the standard charging , rest for 1 hour then
discharge to 8.4V@0.2C.
5 Shipments voltage 11-12.5V capacity≤30 %
6 Maximum Charge Current ≤3A  
7 Maximum continuous
working current
8 Rated capacity Typical capacity:20.8Ah
Minimum capacity:20Ah-5%
discharge after standard charge
9 Operation temperature range charging:10~45
humudity 60±25%R.H
10  Storage temperature 小于 1 个月:-20 ~ 45
≤1 month: -20 ~ 45
小于 3 个月:-10 ~ 30
≤3 months: -10 ~ 30
小于 1 年:0 ~ 30
≤1 year: 0 ~ 30
Best 10~25
long-time storage



1. Passed ISO9001, ISO14001, certified High-Tech & safety production enterprise;
2. 28 engineers providing technology support on product constructure, PCM, BMS, battery and matching charger solutions etc;
3. Automated high-speed SMT equipments and automated battery pack assembly line to ensure the quality consistancy and big volumn lead time;
4. SAP + MES systems monitoring from raw material to final production;
5. Core strength:
a). multi-point temperature monitoring
b). SOC/SOH/FCC update automatically
c). protocol communication technology
d). cell balancing
e). failure recording
f). 10uA comsumption after shutdown



About company:


3S8P Li Ion 18650 Battery Pack 0


Delivery Time:


- Material Preparation Time: 7-15 days (or inventory)


- Production & Assembly Time 3-10 days


- Testing & Packaging Time: 2-10 days


- Total Delivery Time: 30-45days


- The faster delivery could be negotiable.


Factory photo:


3S8P Li Ion 18650 Battery Pack 1

Contact with our sales team for your OEM and ODM order.


OEM/ODM Service:

If you want to display your own brand logo in products, bags, labels or anywhere. Or you need to develop battery packs according to your product orientation. Our OEM and ODM services are ready to do it.



According to Stardard Export Packing.

Carton box, wooden box, wooden pallet


Ryder Electronics established in Shenzhen on July 18, 2005, mainly in the business of battery packs. In 2009 the company passed ISO9001 and improved the product quality standard to fulfill the high-end requirements from our customers.


In 2012, Ryder Electronics moved to a new facility and expend the production capacity, the Productivity improved nearly 10 times than before.


In 2013, Ryder Electronics imported ERP (SAP) system to supervise order execution process.


In 2017, Ryder Electronics expanded the SMT, imported high-speed patch machine from Germany.


Until now the factory grows into a modern enterprise which integrated injection molding, PCB designing, SMT and battery pack assembling services.


In 2018 the company passed ISO14001certification, introduced automated battery production line to further improve the production quality and capacity.

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Get in touch with us
Contact Person : Miss. Vera
Tel : +86 13714601357
Fax : 86-755-32903781
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