Description
Lenovo L21B3PE0 Battery – Complete Specifications
1. General Information
-
Model: Lenovo Laptop Battery Pack
-
Part Number: L21B3PE0 (Compatible with: L21M3PE1, L21L3PE0)
-
Compatible Series: IdeaPad Flex 5, Flex 7 (14″, 16″), IdeaPad 5/7 (2022-2024 models)
-
Type: Rechargeable Lithium Polymer
-
Condition: Brand new
2. Electrical Specifications
-
Voltage: 15.2 V
-
Capacity: 52.5 Wh
-
Energy: 52.5 watt-hours
-
Current: 3.45 Ah (3450 mAh)
-
Cycle Count: Designed for up to 500 complete charge cycles
3. Physical Specifications
-
Weight: 0.280 kg (0.62 lbs)
-
Dimensions: ~258.0 x 90.0 x 5.5 mm (Thin, rectangular form factor)
-
Connector: Standard 3-pin/4-pin laptop battery connector
-
Form Factor: Integrated, slim 3-cell pack
4. Performance & Features
-
Chemistry: Lithium Polymer (LiPo)
-
Management: Smart Battery Management System (BMS) with Lenovo communication
-
Charging: Supports Rapid Charge (via 65W/95W USB-C adapter)
-
Battery Life: Typically 6-10 hours (varies by model and usage)
5. Compatibility Details
-
Primary Models: IdeaPad Flex 5 14IRU8, 14ALC7, 16IRU8, 16ALC7 / IdeaPad Flex 7 14IRU8
-
Also Compatible: IdeaPad 5 14ABR8, 14IAU7, 16IAU7 / IdeaPad 7 14IAU7
-
Important: Verify your laptop’s exact model number before purchase.





























There are no reviews yet.