FIT MACHINE MODELS:
ThinkPad Z16 Gen 1 Series:
Type 21D4 Series
Type 21D5 Series
ThinkPad Z16 Gen 2 Series:
Type 21JX Series
Type 21JY Series
COMPATIBLE WITH PART NUMBERS:
L21M4P77 | SB10W51988 | 5B10W51887
SB11M89886 | 5B11M90085
L21C4P74 | SB10W51989 | 5B10W51888
SB11M89887 | 5B11M90086
L21D4P76 | SB10W51990 | 5B10W51889
SB11M89888 | 5B11M90087
TECHNICAL SPECIFICATIONS:
Battery Model: L21M4P77
Voltage: 15.52V
Capacity: 72Wh / 4640mAh
Cell Configuration: 4-Cell
Chemistry: Lithium-Polymer (Li-Po)
Color: Black
Condition: 100% Brand New - Premium Grade Cells
Cycle Life: Approximately 500 recharge cycles
Certifications: CE, FCC, RoHS Certified
KEY FEATURES:
Premium Li-Polymer Technology: Advanced chemistry for superior performance and safety
High Capacity Design: 72Wh provides extended runtime for demanding applications
Dual Generation Compatibility: Works with both Gen 1 and Gen 2 Z16 models
Safety Certified: CE, FCC, and RoHS certified with comprehensive protection circuits
Premium Quality: High-grade materials with smart chip technology
Complete Package: Includes battery and installation tools
IMPORTANT COMPATIBILITY NOTE:
BEFORE ORDERING: This battery is specifically designed for ThinkPad Z16 Gen 1 (21D4/21D5) and Gen 2 (21JX/21JY) series. Please verify your laptop type number matches these specific models.
EASY INSTALLATION:
The included tools make installation straightforward:
Power down your ThinkPad and disconnect all cables
Use provided tools to remove the bottom panel
Disconnect and replace the battery
Reassemble and power on your system
PACKAGE INCLUDES:
1 x L21M4P77 Compatible Battery
2 x Installation Tools
IDEAL FOR:
ThinkPad Z16 Gen 1 (21D4/21D5) users
ThinkPad Z16 Gen 2 (21JX/21JY) owners
Creative professionals and designers
Business users requiring premium performance
Those needing reliable battery replacement
APPLICATIONS:
Creative design and content creation
Professional software applications
Business productivity and presentations
Multimedia and entertainment
Mobile computing with extended runtime