Which is better for lithium batteries and lead -acid batteries?lithium batteries for solar panels direct sales

　　1. Comparison of lithium batteries and lead -acid batteries in weight energy density

　　At present, the energy density of lithium batteries is generally 200 ~ 260WH / g, lead acid is generally 50 ~ 70Wh / g, and the weight energy density lithium battery is 3 to 5 times that of lead acid, which means that at the same weight, the capacity of the lithium battery is compared to lead. The acid battery is three to five times stronger, so lithium batteries have absolute advantages in energy storage.

　　2. Comparison of volume energy density of lithium batteries and lead -acid batteries

　　Because the volume density of the lithium battery is usually about 1.5 times the lead -acid battery, the lithium battery is about 30 % smaller than the lead -acid battery in the same capacity.

　　3. Comparison of lithium batteries and lead -acid batteries in the service life cycle

　　The most popular lithium battery materials are ternary lithium and iron lithium. The ternary lithium battery usually has 1,000 cycles, the lithium iron phosphate battery has more than 2,000 cycles, and the lead-acid battery usually has 300-350 cycles. Then it means that the life of lithium batteries is about 3-6 times that of lead-acid batteries.

　　4. Comparison of lithium batteries and lead -acid batteries in price

　　Lead -acid batteries are currently cheaper than lithium batteries, and the latter price is about three times that of lead -acid batteries. However, through the analysis of service life, if the same cost is used, the lithium battery has a longer life.

　　5. Comparison of lithium batteries and lead -acid batteries in terms of applicability

　　In terms of safety, lithium batteries are slightly worse than lead -acid batteries, but the temperature is very good. Therefore, there is a risk of fire or explosion during the use of lithium batteries. Therefore, various safety prevention measures must be taken. Therefore, lithium batteries are not as good as lead -acid batteries in terms of compatibility.

　　6. Comparison of lithium batteries and lead -acid batteries in environmental protection

　　Because lead -acid batteries have very serious pollution, they can cause environmental damage in production or discarding waste batteries. Therefore, from an environmental point of view, the use of reinvestment or restrictions on lead -acid batteries is necessary to use the use of lead -acid batteries in certain regions.

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