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　　The difference between lead-acid batteries and lithium batteries

　　1. Product price: Currently, mainstream lead-acid batteries sold on the market are generally priced at around 450 yuan, while lithium batteries are more expensive, usually around 1000 yuan.

　　2. Service life: Lead acid batteries generally have a service life of about 2 years, while lithium batteries are more durable with a lifespan of 4-5 years; Lead acid batteries typically have a full charge discharge cycle of within 300 times, while lithium batteries have a full charge discharge cycle of over 500 times.

　　3. Mass and volume: Under the same capacity, lead-acid batteries are heavier and have a larger volume than lithium batteries.

　　4. Battery capacity: Compared with lead-acid batteries, lithium batteries have a higher average voltage and higher energy density. In other words, for batteries of the same size, lithium batteries have a larger capacity.

　　5. Warranty period: The warranty period for lead-acid batteries is generally 1 year, while the warranty period for lithium batteries is even longer, up to 2 years.

　　Advantages and disadvantages of lead-acid batteries and lithium batteries

　　Advantages of lead-acid batteries: Compared with lithium batteries, lead-acid batteries are relatively cheaper in price, have higher recycling costs than lithium batteries, and have better high rate discharge performance.

　　Disadvantages of lead-acid batteries: Lead acid batteries are relatively heavier and contain sulfuric acid and some heavy metal substances, which are corrosive and prone to environmental pollution; In addition, lead-acid batteries have lower energy density and a shorter lifespan than lithium batteries.

　　Advantages of lithium batteries: Compared with lead-acid batteries, lithium batteries are smaller in size, lighter, more convenient to carry, and have a relatively longer lifespan. In addition, lithium batteries have greater energy, can provide larger currents, and have stronger adaptability to high and low temperatures. They are less affected by temperature factors and are more environmentally friendly.

　　Disadvantages of lithium batteries: The safety and stability of lithium batteries are relatively poor, and if operated improperly, there is a risk of explosion. In addition, lithium batteries cannot discharge at high currents, and the production requirements are high, resulting in higher costs.

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