Asus C21N1818 37Wh Battery

Description

Product Overview

This is a genuine replacement Asus C21N1818 37Wh laptop battery. It is a brand new product with 30-day refund policy, 1-year warranty, same-day shipping, and free shipping.

Specifications

• Part Number: C21N1818
• Voltage: 15.4V
• Capacity: 37Wh
• Chemistry: Li-ion
• Condition: Brand New

Compatible Part Numbers (P/N)

This battery directly replaces Asus part numbers: C21N1818, 0B200-03280500, 0B200-03280600, 0B200-03280700, C21PpJH.

Compatible Laptop Models (Model)

This battery is compatible with numerous Asus models including:

• Asus Business P1 Series (P1511CEA, P1511CJA)
• Asus ExpertBook P1 Series (P1511CDA, P1511CEA)
• Asus VivoBook 14/15 Series (A412, D415, F412, F415, X412, X415)
• Asus Education Series (M415DA, M515UA)
• Asus ZenBook Series (F415, X415)
• And many more models

Need Help Finding Your Model?

We have listed many compatible part numbers and models, but this is not an exhaustive list. If you are unsure whether this battery fits your laptop, please leave your specific laptop model number or current battery part number in the order notes during checkout. We will verify compatibility for you before shipping.

When Should You Replace Your Laptop Battery?

Consider replacing your battery if you notice any of these common signs:

Symptom	Description
Short Battery Life	Battery drains quickly, lasting significantly less than original capacity
Swelling/Bulging	Battery case appears swollen or distorted in shape
Overheating	Battery becomes unusually hot during use or charging
Charging Issues	Battery won’t charge fully or charges intermittently
Random Shutdowns	Laptop turns off suddenly even with charge remaining
Age	Battery is over 2-3 years old with noticeable performance decline
System Warnings	OS displays “Replace Battery” or similar health warnings

Shipping & Warranty

• Same day shipping on business days
• 30-day money back guarantee
• 1-year manufacturer warranty
• Free shipping
• Brand new product