High-quality compatible replacement battery designed for select Lenovo ThinkBook laptops with part number L21M4PD8. This 4350mAh, 4-cell lithium-ion battery delivers dependable and extended power to help you stay productive throughout the day. Engineered to meet or exceed original specifications, it provides stable energy for everyday computing, multitasking, business productivity, and multimedia use. The battery is a cost-effective, compatible alternative to the original Lenovo power unit and fits seamlessly into Lenovo ThinkBook 16 G4+ IAP and 21CY series laptops without any technical setup. Built with premium cells and integrated safety features, it ensures reliable performance, long service life, and protection against over-charging, over-discharging, and short circuits. Ideal for professionals, students, and frequent travelers, this compatible battery helps maximize runtime and keep your Lenovo ThinkBook running smoothly.
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Lenovo Laptop Battery 4350mAh, 4-Cell High Quality Compatible for Lenovo L21M4PD8– ThinkBook 16 G4+ IAP 21CY Series Laptops
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₹2,481
₹4,962
( 50% Off )
Availability:
In Stock
Condition:
New
Affiliate Commission : ₹124.05 (5.00%)
Key Features
- Compatible with Lenovo ThinkBook 16 G4+ IAP and 21CY series laptops
- High-quality 4-cell lithium-ion battery for dependable performance
- 4350mAh capacity for extended usage and efficient power delivery
- Designed to meet or exceed original battery specifications
- Built-in protection against over-charge, over-discharge, and short circuit
- OEM-fit design for easy and secure installation
- Cost-effective replacement for Lenovo L21M4PD8 batteries
Frequently Bought Together
Technical Details
| Brand: | Lenovo |
|---|---|
| Model number: | L21M4PD8– ThinkBook 16 G4+ IAP 21CY Series |
| Seller SKU: | LI-1521 |
| Condition: | New |
| Origin: | China |
| Availability: | In Stock |
| Minimum order quantity: | 1 |
| Shipping weight: | 1000.00 g |
| Date first listed on DP MART : | Jan 26, 2026 |
Lenovo Laptop Battery 4350mAh, 4-Cell High Quality Compatible for Lenovo L21M4PD8 – ThinkBook 16 G4+ IAP & 21CY Series Laptops
Product Type
Compatible Replacement Laptop Battery
Brand Compatibility
Lenovo
Compatible Models
-
ThinkBook 16 G4+ IAP
-
ThinkBook 21CY Series
Battery Model / Part Number
Compatible with Lenovo L21M4PD8
Battery Chemistry
Lithium-Ion (Li-Ion)
Number of Cells
4-Cell
Capacity
4350mAh
Nominal Voltage
Typically 7.6V (verify with your original battery before ordering)
Energy Rating
Approx. 33.06Wh (4350mAh × 7.6V)
Cell Quality
Premium high-grade lithium cells for enhanced reliability and performance
Safety Features
-
Over-charge protection
-
Over-discharge protection
-
Short-circuit protection
-
Thermal protection
-
Over-current protection
Installation
Plug-and-play design for easy and secure installation
No technical modification or software required
balaji Verified Purchase | 6 days ago
Good quality for the price. Will buy again.
Prasad Arjun Verified Purchase | 2 weeks ago
Excellent product, exactly as described. Highly recommended.
Anuj Sharma Verified Purchase | 3 weeks ago
Average product, does the job fine.
Sujan Verified Purchase | 1 month ago
Pretty solid overall. Minor issues but nothing major.
Shiv Verified Purchase | 1 month ago
Average product, does the job fine.
prakash sachan Verified Purchase | 2 months ago
Quick shipping and product is genuine. Recommended.
Sayeed Anuwar Verified Purchase | 2 months ago
Quality is good, packaging could be better though.
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Delhi, Delhi
Lappypower1404@yopmail.com
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