Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2022-12-17 Hits: Popular:AG11 battery
1. Selection of electric core
First, the selection of cells with different material systems will affect the price of lithium batteries. According to the different cathode materials, lithium batteries can have cores made of lithium manganate (3.6V), lithium cobalate (3.7V/3.8V), lithium nickel cobalt manganate (commonly known as ternary, 3.6V), lithium iron phosphate (3.2V), lithium titanate (2.3V/2.4V) and other material systems. The voltage platform, safety factor, cycle times, energy density ratio, working temperature, etc. of the cores made of different material systems are different.
Second, the prices of different brands of cell will also vary greatly. The overall price gradient can be divided into: special cell (including ultra-low temperature, ultra-high temperature, ultra-high magnification, and profiled cell), Japanese cell (Panasonic, Sanyo, Sony), Korean cell (Samsung, LG), domestic cell (domestic cell can be divided into first tier (Lishen, Bike, BYD, ATL), second tier, or even five tier, six tier), and cell with the same material system but different brands, The price difference will also be very large, and the quality (safety, consistency, stability) of each brand of battery cell that emerges from the survival of the fittest in the market is basically proportional to the price.
2. Demand and Design of Lithium Battery PCM
PCM design can be divided into: basic protection, communication, BMS
Basic protection: basic protection includes overcharge, over discharge, overcurrent and short circuit protection, and over temperature protection can be added according to product requirements
Communication: The communication protocol can be divided into I2C, RS485, RS232, CANBUS, HDQ, SMBUS, etc. There is also a simple electricity display, which can be indicated by a power meter and LED.
BMS: BMS is the combination of the first letter of BATTERYMANAGEMENTSYSTEM. It is called the battery management system, commonly known as the battery nanny or battery butler. It is mainly used for intelligent management and maintenance of each battery cell, to prevent overcharge and overdischarge of the battery, to extend the service life of the battery, and to monitor the status of the battery. Its main functions include: real-time monitoring of battery physical parameters; Battery state estimation; Online diagnosis and early warning; Charge, discharge and pre charge control; Balance management and thermal management, etc. The secondary system is mostly used in electric vehicle batteries.
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