button battery cr2030 and lr1130
Different standards and different prices.
1.
Standard voltage of cr2020 button battery: 3V, standard voltage of
lr1130 button battery: 1.5V. The two standards are different.
2.
The price of cr2030 button battery is 5 yuan a piece, and the price of
10 pieces of lr1130 battery is 9.9 yuan. The prices of the two are
different.