M4450 2800mAh/41Wh Laptop Battery for Lenovo E40-30 E40-45 E40-80 E40-70 E41-80 E50-80 Tian Yi 300-14ISK 15ISK

The M4450 is a 14.4V/14.8V compatible 2800mAh 41Wh Li-ion replacement battery for Lenovo B40-30, B40-45, B40-70, B40-80, B50-30, B50-45, B50-70, B50-80, N40-30, N40-45, N40-70, N50-30, N50-45, N50-70, M4400A, M4450A, V4400A, E40-30, E40-45, E40-80, E40-70, E41-80, E50-80, Tian Yi 300-15ISK and Tian Yi 300-14ISK laptops. It replaces L13L4A01, L13S4A01, L13M4A01, L12L4E55, L12S4E55, L12M4E55, 45N1183, 45N1184, 4N1185, 45N1186 and 45N1187. Cells made in Korea. Backed by a 1-year warranty.

Product Specifications

Battery Model:	M4450
Capacity:	2800mAh / 41Wh
Voltage:	14.8V / 14.4V (Compatible)
Battery Type:	Li-ion
Cells:	Made in Korea
Color:	Black
Condition:	100% Brand New Replacement
Warranty:	1-Year Warranty

Replace Part Numbers

• L13L4A01
• L13S4A01
• L13M4A01
• L12L4E55
• L12S4E55
• L12M4E55
• 45N1183
• 45N1184
• 4N1185
• 45N1186
• 45N1187

Compatible Laptop Models

• Lenovo B40-30, B40-45, B40-70, B40-80
• Lenovo B50-30, B50-45, B50-70, B50-80
• Lenovo N40-30, N40-45, N40-70
• Lenovo N50-30, N50-45, N50-70
• Lenovo M4400A, M4450A, V4400A
• Lenovo E40-30, E40-45, E40-80
• Lenovo E40-70, E41-80, E50-80
• Lenovo Tian Yi 300-15ISK
• Lenovo Tian Yi 300-14ISK

FAQ

Q: Is this M4450 battery compatible with the 14.4V version? A: Yes — the 14.4V and 14.8V specifications are cross-compatible and our replacement supports both without any risk to your Lenovo laptop. Q: What cell technology is used in the M4450? A: We use high-quality Li-ion cells made in Korea, ensuring original-equivalent performance and stable voltage curves for long-term productivity.