We are a professional lithium battery factory in China. Now we briefly introduce how to produce lithium batteries. It starts from cathode & anode mixing, coating, baking, calendering, automatic slitting & cutting, winding, top & side sealing, electrolyte injection, pressing formation, forming, capacity grading, OCV1 & OVC2, cell to PCB, insulation and shipping. Welcome to contact and ask for the workflow table list.
Combination method: ICR18650-2S2P
Nominal voltage: 7.4V
Nominal capacity: 4400mAh
Standard continuous discharge current: 0.2C
Maximum continuous discharge current: 1C
Working temperature: charging: 0~45℃
Product size: MAX 39.8*40.5*66.5mm
Internal resistance of finished product: ≤200mΩ
7.4V lithium battery pack belongs to multi-series parallel lithium battery pack, its application are as following:
Cordless phones, mobile phones, fax machines, mobile POS machines
Video cameras, portable stereos, MD players, portable DVD and VCD players, wireless speakers
Laptops/Tablets/Netbooks, PDAs, Portable Printers, Smart Vacuum Cleaners, GPS Navigators
Flaw detectors, laser detectors, atmospheric samplers, water quality detectors, laser pointers, fiber optic fusion splicers, frequency selection and leveling meters, etc.
Monitors, ECG machines, B-ultrasound machines, ventilators, laser blood collection machines, etc.
The lithium battery will automatically exit when it fails, except for the capacity reduction, it will not affect the use after parallel connection;
When a lithium battery cell in parallel is short-circuited, the parallel circuit current is very large, which is usually avoided by adding fusing protection technology.
Due to the difference in the internal resistance of the lithium battery cells and the uneven heat dissipation, the cycle life of the lithium battery pack after being connected in parallel will be affected.
According to the lithium battery cell capacity, first connect in series, such as 1/3 of the capacity of the whole group, and finally connect in parallel, which reduces the failure probability of large-capacity lithium battery modules.
Reliable & durable lithium-ion battery manufacturer in China with over 10 years experience.
We will contact you within 1 working day, please pay attention to the email with the suffix “@hlcbattery.com”.