Rechargeable batteries save you money as you don’t have to dispose them after use. All you need to do is recharge them and put them back to work. Types of rechargeable batteries The batteries are of many types. The most common types are: Nickel-cadmium: They were the first units to get into the market.
While they are great as they charge fast and perform excellently in cold environments, their main flaw is that they suffer from memory effect. When you don’t fully charge them, they lose their capacity. You can go around this problem by running them flat before recharging them.