The so-called positive finger is the location of the battery positive and negative terminals. This is different: the soiled of the sail battery is close to the side of the terminal. If your left is the positive terminal (the right side is the negative terminal) is a dress, if your left side is negative The terminal (the right side of course is the positive terminal) is the reverse. If it is a Japanese and Korean series, the model is generally marked with R or L, R is a dress, and L is a reverse.Percentage of 1919 is a positive negative electrode to pick up a short-term connection to the vehicle body, saying that the iron wire is easily reversed to cause the vehicle to fire. Recommend: LiFePO4 Battery Manufacturer Energy storage battery Manufacturer Integrated machine energy storage battery series Manufacturer Lead lithium battery Manufacturer Outdoor Backup Battery Manufacturer Portable outdoor power supply Manufacturer Power battery Manufacturer Powerwall LiFePO4 Battery Manufacturer Battery rack Manufacturers Telecom LiFePO4 Battery Manufacturer Wall mounted battery storage Manufacturer China Lifepo4 Battery
