AC/DC power adapters for lithium battery charging — Desktop & Wall-Mount

There is a growing trend in requests and intended uses for AC adapters from customers for "charging purposes." For example, due to the shift to cordless designs, various products such as cordless vacuum cleaners are now equipped with charging functions and are being distributed in the market. In addition, due to the charging function of these products, demands are increasing to shift from the conventional constant voltage (CV) power supply method to the constant current - constant voltage (CC-CV) method. At Unifive, we are now able to respond to these needs through the design compliance of the following products and other requested models with IEC60335-1 and IEC60335-2-29 standards.

Applications

Charging devices with built-in lithium batteries (cordless vacuum cleaners, electric bicycles, electric kickboards), etc.

Devices with built-in lithium batteries (cordless vacuum cleaners), etc.

Features and Custom (Modify) Examples

Input Voltage: AC80–276V
Applicable Safety Standards: Meets IEC60335-1 and 60335-2-29.
PSE compliant.
*For detailed compliance standards, please contact us individually.

Ensures optimal charging for rechargeable lithium-ion batteries with CC+CV performance.
Usable in ambient temperature settings from -10°C to 40°C.
Compatible with cyclone-type vacuum cleaners and meets IEC61000-4-2 ESD specifications.
Achieves performance of air discharge ±20kV / contact discharge ±10kV or higher.
Wire materials and plugs selected to consider wire disconnection and sheath damage.
Supports “C plug” and “BF plug” for domestic and international deployment.
PCB: Material selection prioritizes safety, including CTI value 600V / flame-retardant grade 94V-0 housing.
Tracking resistance test: Complies with JWDS0028_LEVEL2.
Designed to comply with IEC60335-1 / 60335-2-29 for battery charging.