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.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.High Quality Garanteed
Our battery products are manufactured using high-quality materials and advanced technology to ensure stability and reliability.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Shipping Methods
Ship To
Est. Delivery Time
Shipping Cost
Taxes & Fees
USPS
United States(No AK/HI, PR/GU, PO Boxes, or APO/FPO)
10-15 business days
Free
Free
Canada Post
Canada
10-15 business days
Free
Free
Royal Mail / Yodel
United Kingdom
15-20 business days
Free
Free
Local Carriers
Germany/Netherlands/Norway
15-20 business days
Free
Free
La Poste
France
15-20 business days
Free
Free
Local Carriers
Australia/New Zealand
15-20 business days
Free
Free
Correios
Mexico/Spain/IT
15-25 business days
Free
Free
Local Carriers
SE Asia / East Asia
5-10 business days
Free
Free
Local Carriers
Rest of Europe
20-25 business days
From $5.99
Free
Local Carriers
UAE / Saudi Arabia / Israel
16-20 business days
From $7.99
Free
Overseas Warehouse Shipping Times & Costs
Shipping Methods
Ship To
Est. Delivery
Shipping Cost
Taxes & Fees
US Warehouse
United States
3-7 business days
Free
Free
European Warehouse
EU countries
5-7 business days
€0 – €5.99
pricing varies by country
Free
UK Warehouse
United Kingdom
3-7 business days
Free
Free
Canada Warehouse
Canada
5-7 business days
Free
Free
Payment Methods
Paypal
Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
If you cannot use the above payment methods and the order amount exceeds HK$2000, please contact our customer service to obtain your bank account and pay via bank transfer.
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.