This company has also just started manufacturing lithium batteries. The quality of its products has not yet been verified by the market. Currently, the quality of batteries depends on their functionality. the main imported ones are Samsung, Sanyo, Panasonic, Sony, etc. There are several well-known domestic brands such as BAK, Lishen and Yangtze River. The second step is to examine its production technology. Production technology depends on the size, strength and culture of the manufacturer's business.
1gwh=1 billion wh/3.7=270 million ah.
The unit of voltage is the volt (V), the unit of electricity is the ampere-hour (Ah), the voltage multiplied by the current is the power, expressed in W. The voltage multiplied by the electrical quantity is VAh, which is Wh. Wh is the electrical quantity, which is a quantity directly proportional to voltage, current and time.
Gwh is the quantity of electricitytricity generated. To make it comparable or convertible to Wh, the battery voltage must also be known. Standard, battery cell voltage is: 3.2 V; if there are 22 strings, it is: 70.4V. Voltage range: 55~80.3V; if there are 23 channels, it is: 73.6 V., generally 72V.
Detailed information:
Lithium battery characteristics
1, Long lifespan
The number of cycles can reach 1000-3000 times. Assuming that the capacity is maintained at 70%, the number of 100% charge and discharge cycles of the battery can reach more than 200 times, the service life can reach 5-8 years, and the service life is long. 'about two to three times. that of lead-acid batteries. With technological innovation and equipment improvement, the battery life will become longer and longer and the cost-effectiveness will become higher and higher.
2. Thererge range
Good performance at low temperatures. Lithium-ion batteries can work between -40℃~+55℃, while aqueous solution batteries (such as lead-acid). batteries, nickel-metal hydride batteries) Battery) At low temperatures, performance will be significantly reduced due to poor electrolyte fluidity.
3. No memory
There is no need to discharge it before each charge like nickel-cadmium batteries and nickel-metal hydride batteries. It can be charged anytime and anywhere. The depth of charging and discharging of the battery has little effect on the life of the battery, and it can be fully charged and fully discharged.
Baidu-Wh Encyclopedia
Baidu-AH Encyclopedia
Baidu-Lithium Ion Power Battery Encyclopedia