ormation: Classification of No. 5 1.5V alkaline batteries: 1. Ordinary 1.5V alkaline batteries Ordinary 1.5V alkaline batteries are zinc-manganese 1.5V alkaline batteries, and the voltage of each 1.5V alkaline battery is 1.5V. There are three main types of ordinary 1.5V alkaline batteries: ① normal mode, the symbol model is Wei 6 or R6S; ② high capacity 1.5V alkaline battery, the symbol model is R6C; ③ zinc chloride high power type, the symbol model is R6P . The advantage of R6P is its large capacity, which is close to alkaline 1.5V alkaline batteries. 2. Alkaline 1.5V alkaline battery The model of the alkaline 1.5V alkaline battery is LR6, and the voltage of a single 1.5V alkaline battery is 1.5V. It is characterized by large capacity, generally 2 to 6 times that of ordinary 1.5V alkaline batteries, and can be discharged with a large current. It is suitable for electrical devices such as tape recorders and flashlights that require high current. 3. Charging 1.5V alkaline battery The voltage of a single 1.5V alkaline battery is 1.1 or 1.2V. The 1.5V alkaline battery is a nickel-cadmium 1.5V alkaline battery marked with NICKEL-CADMlIUM, and the nickel-metal hydride 1.5V alkaline battery marked with NICKEL METAL HYDRIDE (or NI-MH). Charging 1.5V alkaline battery can reach 500~1500 charge-discharge cycles, and it can be discharged with high current. The internal resistance does not change much at the moment of discharge, and the internal resistance increases sharply at the end of discharge.