Product Description
The B40-70 laptop battery is a high-performance replacement battery designed for ThinkBook B40 B50 E41E40 N50--45-70-80 L12L4E55 G550S.
It provides consistent voltage, stable discharge performance, and multiple safety protection features.
Widely used by computer repair shops, distributors, and global resellers.
Available for mixed-model wholesale, low MOQ, and fast delivery from Shenzhen, China.
Product Specifications
| Item | Description |
|---|---|
| Battery Model | B40-70 |
| Compatible Brand | ThinkBook |
| Compatible Laptop Model | ThinkBook B40 B50 E41E40 N50--45-70-80 L12L4E55 G550S |
| Battery Capacity | mAh |
| Type | Li-ion Rechargeable Laptop Battery |
| Condition | 100% Brand New / Grade-A Cell |
| MOQ | 1 Piece (Mixed Models Accepted) |
| Shipping From | Shenzhen, China |
| Shipping Method | DHL / UPS / EMS Global Express |
Installation & Compatibility
The B40-70 replacement battery fits perfectly with the ThinkBook B40 B50 E41E40 N50--45-70-80 L12L4E55 G550S.
Professional installation is recommended to avoid damage to the connector or internal components.
After installation, please charge the battery fully before first use to ensure optimal performance and lifespan.
Why Choose Us
- Direct supply from Huaqiangbei electronics market
- Wide range of laptop battery models in ready stock
- Support for small wholesale and flexible MOQ
- 100% functionality tested before shipping
- Fast and secure global delivery
- OEM / ODM customization service supported
FAQ
Q: Is this B40-70 an original Dell/HP/Lenovo battery?
A: No, it’s a high-quality compatible replacement laptop battery, with stable performance and safety protection.
Q: Can I buy only one piece?
A: Yes, small wholesale is supported, buyers only need to cover shipping cost.
Q: Do you ship internationally?
A: Yes, we ship via DHL, UPS, EMS, and other reliable international logistics partners.
Q: Do I need tools to install the laptop battery?
A: Installation is easy, but we recommend using professional tools or seeking a technician to ensure safety.
Related Models
We also supply various popular laptop battery models such as L18L3P71, A1494, 7CJRC, 33YDH, A1990, etc.,
compatible with Dell, HP, Lenovo, Apple, Asus, Acer, MSI, and other major brands.
All batteries are of Huaqiangbei original-grade quality, with OEM customization and worldwide shipping supported.
Huaqiangbei Laptop Battery Supplier — professional provider of replacement batteries for laptops and notebooks.
Reliable stock, stable quality, and global small wholesale supported.
