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OEM 4s1p 14.8 3400mah custom battery pack 14.4v 2.6ah robot vacuum cleaner lithium ion batteries for Panasonic

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Quick Details

Port: Hongkong
Payment Terms: T/T
Supply Ability: 100000 Piece/Pieces per Month
Brand Name: EVVA
Components: A Grade original 18650 lithium battery
Type: Li-Ion
Place of Origin: Guangdong China
Configuration: 4S1P
Nominal Voltage: 14.8V
Nominal Capacity: 2600mAh~4000mAh (OEM)
Battery Size: 18650
Charge Voltage: 16.8V
Model Number: 18650-SMB4S1P-34
Application: Consumer Electronics,Electric Power Systems,Home Appliances,Other,Toys
Weight: 200g
Certification: CE, ROHS
Packaging Detail: Single insulative package with bags and box
Shenzhen Evva Technology Co., Limited
Gold Supplier
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 7,000+
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Product Description
Item Specifications
Nominal Voltage 14.4V
Nominal Capacity 3400mAh
Minimum capacity


Standard charge CCCV, 1.50A, 4.20 ± 0.05 V
Max. continuous discharge 
Temperature cut-off 70°C


Discharge cut-off voltage 
End of discharge
Cell weight

200g max. 

Cell dimension


Operating temperature 
(surface temperature)

Charge : 0 to 50
Discharge: -20 to 75

Storage temperature 
(Recovery 90% after storage)  

1.5 year -30~25°C
3 months -30~45°C
1 month -30~60°C


  1. Use original A Grade Lithium ion cells directly from Panasonic, Samsung, LG Chem, Murata, etc, quality guaranteed.

  2. Battery pack can include protection circuitry with following protections
    • Over charge

    • Over discharge

    • Over discharge current

    • Short circuit

    • Over temperature

    • Low temperature

  3. Battery pack can support System Management Bus (SMBus) protocol if needed.

    There can be distinct SMBus for each section. The following data shall be available through SMBus.

    • State of charge

    • Battery temperature

    • Cell voltages

    • Current drawn from the cells

    • Failure messages

    • Charging status

    • Discharging status

  4. High energy density, low self-discharge

  5. Pollution free, long cycle life

  6. No memory effect

  7. Existing stock for short delivery time.

  8. OEM orders are available (connector, capaclity, wires, logo, etc.)

  9. UN38.3, IEC62133, CE, ROHS approved

  10. Applicable to a wide field of electronic devices

Company Information

4s1p 14.8 3400mah custom battery pack

EVVA prides itself on using only the highest quality cells to make lithium battery packs with advanced equipments and experiencing skills. The company has established strategic relationship with international lithium battery suppliers such as Sanyo, Sony, Panasonic, LG Chem, Samsung SDI, Skme, Moli, BAK, Lishen, ATL, HYB, etc.. 

With over 10-year year experience in the field of Lithiuim-ion battery packs, EVVA strives to provide a quality oriented, technically innovative and responsive service for our customers. All packs are PRC manufactured within a quality standards framework, which make EVVA products highly appraised by customers all over the world

Today, EVVA has implemented automation for part of the production, and millions of EVVA products have been deployed in various customer applications and devices. Thus, more and more customers is benefiting from EVVA's technical capabilities in Li-ion, Li-Polymer, LiFepo4 and other power technologies.

4s1p 14.8 3400mah custom battery pack

4s1p 14.8 3400mah custom battery pack4s1p 14.8 3400mah custom battery pack4s1p 14.8 3400mah custom battery pack 

Packaging & Shipping

Air: 2-4pcs per small box, and several boxes in one carton. Each carton is less then 10KG according to IATA shipping rules of batteires.

Sea: original packing 

Notice: All products of EVVA will be well packaed with strong paper carton and extra protected materials to ensure safe delivery

4s1p 14.8 3400mah custom battery pack 


4s1p 14.8 3400mah custom battery pack 


Product Description

OEM 4s1p 14.8 3400mah custom battery pack 14.4v 2.6ah robot vacuum cleaner lithium ion batteries for Panasonic

4s1p 14.8 3400mah custom battery pack

Product Detail

Type Li-Ion
Components A Grade original 18650 lithium battery
Configuration 4S1P
Nominal Voltage 14.8V
Charge Voltage 16.8V
Nominal Capacity 2600mAh~4000mAh (OEM)
Product Keywords 4s1p 14.8 3400mah custom battery pack,4s1p 14.4v 2.6ah robot vacuum cleaner lithium ion batteries



Is your battery quality approved?

Yes, we guarantee that the quality of cell we use is approved by EVVA. And we will have full inspection of each cells and grouping them before assembling into battery packs. Besides, the PCM we use is self-designed and is choosed according to different application&specification. And all finished battery packs will be under a full inspection before shipment.



Are you a factory for battery pack assembly?

Yes, we are a professional factory for high-end battery pack assembly. With a series of advanced equipments and experienced staffs we are sure we can provide a profeesional battery pack for your end. We are factory and our lead time is guaranteed and well controlled.



What payment method do you accept?

We accept T/T bank transfer, Alibaba trade assurance and paypal. 



What is your warranty?

We guarantee the quality before the item is shipped. You can 3-month free replacement, and lifetime maintenance service from the date of delivery. Any damages caused by improper use are not covered by our warranty?



What kind of testing do you use before shipment?

Battery pack voltage, internal resistance, aging (discharge and charge), dimension, etc.

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