Customize 18650 Lithium Battery Pack 4S1P 14.4 V 3.5Ah for Robot Vacuum Cleaner

Combination Method:4S1P
Cell Capacity : 3500mAh
Rated Voltage:14.4V
Rated Capacity:3500mAh
Charging Temperature Range:0°C ~ 40°C
Discharge Temperature Range :-20°C ~ 60°C
Storage Temperature Range:-20°C ~ 40°C
Cycle Life:500 times

14.4V 3.5Ah 4S1P Lithium Battery Pack – Product Specification

Parameter Details
Product Name 14.4V 3.5Ah 4S1P Lithium Battery Pack
Combination Method 4S1P
Battery Model 18650
Optional Cell Capacity 3500mah
Rated Voltage 14.4V
Rated Capacity 3500mah
Max discharge current 5A
Internal Resistance 200~300mΩ
Max Peak dischargeCurrent 10A
Standard Discharge Current 0.2C
Fast Discharge Current 0.5C
Charging Temperature Range 0°C ~ 40°C
Discharge Temperature Range -20°C ~ 60°C
Storage Temperature Range -20°C ~ 40°C
Cycle Life 500 times
PCM & BMS Protection Functions Overcharge Protection, Over-discharge Protection, Short Circuit Protection,

Over Current Protection, Temperature Protection,

Charge Leveling, Battery Data Monitoring

Product Weight Customized

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Combination Method:4S1P Cell Capacity : 3500mAh Rated Voltage:14.4V Rated Capacity:3500mAh Charging Temperature Range:0°C ~ 40°C Discharge Temperature Range :-20°C ~ 60°C Storage Temperature Range:-20°C ~ 40°C Cycle Life:500 times

Combination Method:4S1P
Optional Cell Capacity :3500mah
Rated Voltage:14.4V
Rated Capacity:3500mAh
Max. Discharge Current :5A
Max Peak Discharge Current:10A
Charging Temperature Range:0°C ~ 40°C
Discharge Temperature Range :-20°C ~ 60°C
Storage Temperature Range:-20°C ~ 40°C
Cycle Life:500 times

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YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.

Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.

You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.

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