Internal Laptop Battery B31N1424 For Acer U4000

Lesy laptop batteries turn old laptops alive by providing Grade AAA+ battery cells. We ensure each battery was tested before shipping. If you are interest in our product please contact us!

Service:

Lesy as a laptop battery manufacturer who focus on producing sufficient capacity internal battery (polymer), external battery (18650) for laptops/note books.
Lesy provides: More than 800 models of laptop/note book batteries for brands such as HP, Dell, Acer, Lenovo, Asus, MSI, Apple, Fujitsu, ThinkPad, Razer, Xiaomi, Toshiba, Hasee, etc
Brands support: We help our clients to build their brands with competitive price, customized packing, marketing suggestions.
Technical support: Lesy is on responsibility of all our laptop batteries. We have engineers to remotely assist with any issues that arise.
After-sales service: Support 12 months after-sale warranty.

Who choose us:

laptop battery brands, refurbished/used/repaired/laptop dealers, distributors, wholesalers and e-commerce customers.

FAQ :

1. Are you a manufacturer or trade company? We are a professional manufacturer of lithium-ion batteries.
2. What products your company specialize in? We specialize in manufacturing lithium-ion batteries , especially focus on laptop batteries (18650 and lithium polymer) , power tool battery and smart home appliance battery.
3. How can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment;
4. What's the warranty service do you offer? We offer 12 months warranty for all our products.
5. What is your advantage and special service? We are manufacturer of rechargeable laptop battery, power tool battery , and home appliance battery with high quality . OEM and ODM service is also provided. We offer competitive price and short lead time, considerable service.