The first electric car was introduced Changan with a replaceable battery named after Oshan 520. Compatible with CATL battery replacement network. This means the Oshan 520 sedan uses Choco-SEB batteries. It was announced that most Changan cars will receive the new generation of these batteries.

The first generation of these batteries will be released in 2022. They have cell-to-pack technology with an energy density of 160 Wh/kg. A Choco-SEB unit has a capacity of 26.5 kWh, which is sufficient for a range of 200 km. Up to three units can be installed simultaneously in vehicles compatible with CATL battery replacement technology. This means that the total battery capacity reaches 79.8 kWh.

There is still little information about second generation SEB batteries. However, Oshan 520 was found to have a range of 515 km in the CLTC cycle. The battery will transmit energy to the 105 kW (141 hp) electric motor. According to Changan officials, the Oshan 520’s battery can be replaced within two minutes.

Owners Changan Oshan 520 Can replace batteries at CATL stations that can store up to 48 battery packs. Approximately 300 such stations are installed in the country. However, CATL plans to install more than 500 replacement stations by 2025 and more than 3,000 by 2027.

Changan Oshan 520 It has dimensions of 4770x1840x1470 mm with a wheelbase of 2765 mm. Its curb weight is 1535 kg. The maximum speed of this electric car reaches 135 km/h.