IRobot Roomba Nimh Battery Pack / 14.4 V Nimh Rechargeable Battery Pack

Product Details:
Place of Origin: China
Brand Name: RYDBATT
Certification: ROSH
Model Number: iRobot roomba 14.4V NI-MH 3500mAh
Payment & Shipping Terms:
Minimum Order Quantity: 500
Delivery Time: 45
Specifications Product Description Request A Quote
Name: Nimh Battery Pack
Model: IRobot Roomba 14.4V NI-MH 3500mAh
High Light:

7.2 v nimh battery


nimh rechargeable battery pack

Product Description

IRobot Roomba Nimh Battery Pack / 14.4 V Nimh Rechargeable Battery Pack


Ryder's quality is controlled with strict standards. Ranging from supplier selection, material procurement, semi-finished product processing, and finished product testing. Each step is tracked and recorded by MES system. Independent product ID code can trace every step data from raw material to the final product.


1 Product Configuration

No. Item Criteria Remark
1 NI MH Battery Cell NI-MH 14.4V 3500mAh-4500mAh  
2 PCM /  
3 Connector /  


2 Product Dimension


IRobot Roomba Nimh Battery Pack / 14.4 V Nimh Rechargeable Battery Pack 0

3 Product Specification

No. content Testing method Remark
1 Charge cut-off voltage 14.4V  
2 Discharge cut-off voltage 1222V  
3 Standard charge Under the condition of the ambient temperature of 25±2℃,Charge the battery at constant current of 0.2C to reach16.8V. Then charge the battery at constant 16.8V voltage until the charging current decreasing to 0.02C.  
4 Standard discharge After the standard charging , rest for 1 hour then discharge to 12V@0.2C.  
5 Shipments voltage 14-14.8V ≤30 %



Maximum Charge Current ≤2A  



Maximum continuous working current ≤2A  
8 Rated capacity


Typical capacity:3500mAh-4500mAh

Minimum capacity:-5%

standard discharge after standard charge



Operation temperature range 10~45℃ 60±25%R.H
10 Storage temperature ≤1 month: -20 ~ 45℃


Best 10~25℃ for long-time storage

≤3 months: -10 ~ 30℃
≤1 year: 0 ~ 30℃
11 Impedance <300mΩ  
12 Weight Approx:670g  


IRobot Roomba Nimh Battery Pack / 14.4 V Nimh Rechargeable Battery Pack 1



About company:


* Ryder has 15 years experience of battery packs. Our customers are from all over the world.

* Develop products according to customer requirements or product orientation.

* The automated battery assembly line can process 7K-10K cells every day to guarantee fast delivery for the orders.

* Offer 200 test points for the battery within 60V 10A and 32 test points for the battery within 100V 20A.

* SAP & MES dual system to coordinate daily production.


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:


IRobot Roomba Nimh Battery Pack / 14.4 V Nimh Rechargeable Battery Pack 2

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. Hilary
Tel : 86-755-32903785
Fax : 86-755-32903781
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