1. Look at the logo Take a cylindrical battery as an ex […]
1. Look at the logo
Take a cylindrical battery as an example. The category identification of alkaline batteries is LR, such as "LR6 is AA alkaline battery," LR03 is AA alkaline battery; the category of ordinary dry battery is identified as R, such as "R6P is high-power type AA ordinary battery, "R03C It is a high-capacity AAA battery.
2. Weigh the amount
For the same type of battery, alkaline batteries are much heavier than ordinary dry batteries. For example, the weight of AA alkaline batteries is about 24 grams, and the weight of AA ordinary dry batteries is about 18 grams.
3. Touch the slot
Alkaline batteries can touch the ring-shaped groove at the end near the negative electrode. Generally, there is no groove on the cylindrical surface of ordinary dry batteries. This is due to the different sealing methods of the two.