Main disadvantages of lithium batteries
1. The safety of lithium main batteries is low and there is danger of explosion.
2. The lithium-ion battery of lithium cobalt oxide can discharge in a large current and has low safety.
3. Lithium-ion batteries need to protect the line to prevent the battery from overcharging and discharging.
4. High production requirements and high cost.
25Axx
Duracell - CopperTop 9V Alkaline Batteries - long lasting, all-purpose 9 Volt battery for household and business - 4 count