Product Information
The BTI 4X21L54608-BTI is a 20V, 65W USB-C adapter that replaces Lenovo 4X21L54608, for IdeaPad Slim 3 14, 15 and 16 (2025 models such as 14AHP10 and 15IRH10), IdeaPad Duet 3 and 5, IdeaPad Flex 3 and 5 Chrome, IdeaPad 5 2-in-1 and ThinkBook 14 G7 and G8, with US based customer service. Not TAA compliant. Backed by a 24 month limited warranty.
Key Features
- 65W, 20V USB-C
- Lenovo 4X21L54608
- IdeaPad Slim 3
- IdeaPad Duet, Flex
- ThinkBook 14 G7, G8
- 24 month limited warranty
Product Information
Brand: BTI
Manufacturer: Battery Technology, Inc
Model: 4X21L54608-BTI
Product Type: AC Adapter
Compatibility: Compatible OEM: 4X21L54608,Lenovo Products:IdeaPad Duet 3 11IAN8,IdeaPad Duet 5 12IAU7,IdeaPad Duet 5 12IRU8,IdeaPad Flex 3 Chrome 15IJL7,IdeaPad Flex 3 Chrome 11IJL6,IdeaPad Flex 3 Chrome 11M836,IdeaPad Flex 3 Chrome 12IAN8,IdeaPad Flex 5 Chrome 13ITL6,IdeaPad Flex 5 Chrome 14IAU7,IdeaPad Flex 5 Chrome 14IRU7,IdeaPad 2-in-1 14AHP9,IdeaPad 5 2-in-1 14AKP10,IdeaPad 5 2-in-1 14IAL10,IdeaPad 5 2-in-1 14IRH9,IdeaPad 5 2-in-1 14IRU9,IdeaPad 5 2-in-1 14Q8X9,IdeaPad 5 2-in-1 16AHP9,IdeaPad 5 2-in-1 16AKP10,IdeaPad 5 2-in-1 16IAL10,IdeaPad 5 2-in-1 16IRU9,IdeaPad Slim 3 14AHP10,IdeaPad Slim 3 14ARP10,IdeaPad Slim 3 14IRH10,IdeaPad Slim 3 14IRH10R,IdeaPad Slim 3 14IRU10,IdeaPad Slim 3 15AHP10,IdeaPad Slim 3 15ARP10,IdeaPad Slim 3 15IRH10,IdeaPad Slim 3 15IRH10R,IdeaPad Slim 3 15IRU10
Connectivity
USB Type-C: Yes
Power
Output Voltage: 20 V
Max Output Power: 65 watt
Physical Characteristics
Supported Devices: Notebook
Certifications and Listing
TAA Compliant: No
Warranty
Limited Warranty: 24 Month
Not sure this adapter fits your laptop? Send us your laptop model and the part number or wattage of your current charger, and the DatorPro team will help you confirm the connector and power rating before you order.