Rechargeable Lithium LiFePO4 Batteries, also known as secondary battery, refer to batteries that can be used to activate active materials by charging after the battery is fully discharged.

Because of the reversibility of chemical reaction, a new battery can be recovered. That means after a chemical reaction is converted into electric energy, the chemical system can be repaired. So we call it a rechargeable battery. The main rechargeable lithium batteries on the market include Ni-MH battery, nickel-cadmium battery, lead-acid battery and lithium-ion battery. As a kind of rechargeable battery, lithium-ion battery can be said to be a latecomer, and its market share is gradually increasing. On the contrary, the share of lead-acid batteries and nickel-metal hydride batteries is gradually decreasing. We can compare the difference between lithium-ion batteries and other batteries from multiple angles.

1. Energy density

Lithium ion has a capacity density of at least 150kg/Wh, which is three times that of NiMH batteries and ten times higher than that of lead-acid batteries.

2. Self-discharge

Self-discharge means that the battery loses power when it is not in use. The self-discharge rate of lithium-ion is ≤3.5% per month. Such a low self-discharge rate ensures that the lithium-ion battery can still be used after half a year. Lead-acid batteries will use up all their power in two months. However, it is still recommended to fully charge the lithium-ion battery every 3 months to extend the battery life.

3. Cycle life

Compared with a lead-acid battery with a life span of only 300 cycles, a brand new lithium-ion battery has a cycle life of at least 3000 cycles, and after 3000 cycles, it can still guarantee 80% of the power.

The application of rechargeable lithium batteries is quite extensive. According to the different capacity, from small toy batteries to large energy storage batteries, they are all application scenarios of lithium batteries. Below we will introduce 6 applications to make you have a strong interest in lithium battery.

Works great in many applications

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