Four-channel universal battery charger

The utility model discloses a four-channel universal battery charger, comprising a housing, one side of the housing is provided with four placing spaces, the bottom of each placing space is provided with a first chute, each first chute is internally provided with a support block in a sliding manner, two sides of each support block are provided with two second chutes, and the two second chutes are arranged in the housing. According to the four-channel universal battery charger, conventional rechargeable batteries can be charged, the built-in limiting blocks move synchronously, the four-channel universal battery charger can adapt to batteries of different models, and the four-channel universal battery charger is convenient to use and high in practicability. The target battery is centered and fixed according to the length and the diameter of the target battery, the positive electrode and the negative electrode of the battery are ensured to be aligned with the contact block, the tedious operation that different c