Delivery is guaranteed as long as our locations stay open according to government regulations.Lenovo B40-70 Laptop Battery is a high-quality replacement battery designed to restore your laptop’s original performance with dependable power and long-lasting battery life. Built using premium lithium-ion cells, this battery delivers stable power output, efficient charging, and reliable performance for office work, online classes, business tasks, entertainment, and everyday computing.
Designed with advanced safety protection, the Lenovo B40-70 Laptop Battery safeguards your laptop against overcharging, overheating, over-current, over-voltage, and short circuits. Each battery is thoroughly tested for quality, compatibility, and durability to ensure dependable performance and a longer service life.
If your original battery no longer provides sufficient backup or has reached the end of its lifespan, the Lenovo B40-70 Laptop Battery is an ideal replacement. It restores mobility and productivity, allowing you to use your laptop with confidence whether you’re working from home, studying, or traveling.
Key Features
- Premium quality replacement for Lenovo B40-70 laptops
- High-performance Lithium-Ion battery cells
- Long-lasting battery backup
- Stable and efficient power delivery
- Built-in protection against overcharging, overheating, over-current, and short circuits
- Easy installation
| Compatible Model Numbers: | |
| B40 B40-30, B40-45, B40-70; | IdeaPad B40 B40-30 B40-45 B40-70; |
| B50 B50-30 B50-30; | B50 B50-30 B50-30; |
| Touch B50-45 B50-70; | Touch B50-45 B50-70; |
| N40 N40-30 N40-45 N40-70; | N40 N40-30 N40-45 N40-70; |
| N50 N50-30 N50-45 N50-70; | N50 N50-30 N50-45 N50-70; |
| M4400 M4400A M4450 M4450A, | M4400 M4400A M4450 M4450A; |
| V4400 V4400A V4400 V4400A | |
| Compatible Part Numbers: | |
| L13S4A01 | L13L4A01 |
| L12M4E55 | 45N1187 |
| L12L4E55 | L13M4A01 |
| L12S4E55. | |
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