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Replacement LENOVO B40-45 Laptop Battery

Choose Capacity: 5200mAh, 2600mAh,
LENOVO B40-45 Battery 14.4V 5200mAh

14.4V 5200mAh LENOVO B40-45 Laptop Battery

  • Item Number: AUNLVB508B
  • Type: Li-ion
  • Capacity: 5200mAh
  • Volt: 14.4V
  • Color: Black
  • Weight: 427g
  • Length: 270.00 x 33.85 x 27mm
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Price: AU $ 54.99

LENOVO B40-45 Battery 14.4V 2600mAh

14.4V 2600mAh LENOVO B40-45 Laptop Battery

  • Item Number: AUNLVB504B
  • Type: Li-ion
  • Capacity: 2600mAh
  • Volt: 14.4V
  • Color: Black
  • Weight: 290g
  • Length: 270.00 x 33.85 x 23.20mm
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Price: AU $ 42.99

Our replacement LENOVO B40-45 Battery is rechargeable battery pack designed to work with your Laptop. Buy high quality LENOVO B40-45 Laptop Battery at low price here, save your money and time!

Product Warranty
  • 100% QC of EVERY Laptop Battery.
  • Brand New, Not Refurbished, Never Used.
  • Highest quality battery cells are used in our LENOVO B40-45 battery.
  • Our replacement battery is designed to meet or exceed the original LENOVO B40-45 Battery specification.
  • Each LENOVO B40-45 replacement battery is guaranteed to be 100% compatible with your original LENOVO laptop.
  • High quality LENOVO B40-45 Laptop Battery with factory price.
  • 100% Secure Shopping Guarantee, Full 1 year warranty, 30 days money back guarantee!
  • We accept PayPal, Credit Card, WU, T/T etc payment method.

Note: Please ensure the product(s) that you are going to buy fits the brand, model number, original battery's part number and original charger's part number of your device.
This LENOVO B40-45 Laptop Battery can replace the following part numbers:



This LENOVO B40-45 Laptop Battery is also compatible with the following models:


B50-30 Touch
Eraser B40
Eraser B40-30
Eraser B40-45
Eraser B40-70
Eraser B50
Eraser B50-30
Eraser B50-30 Touch
Eraser B50-45
Eraser B50-70
Eraser M4400
Eraser M4400A
Eraser M4450
Eraser M4450A
Eraser N40
Eraser N40-30
Eraser N40-45
Eraser N40-70
Eraser N50
Eraser N50-30
Eraser N50-45
Eraser N50-70
IdeaPad B40
IdeaPad B40-30
IdeaPad B40-45
IdeaPad B40-70
IdeaPad B50
IdeaPad B50-30
IdeaPad B50-30 Touch
IdeaPad B50-45
IdeaPad B50-70
IdeaPad M4400
IdeaPad M4400A
IdeaPad M4450
IdeaPad M4450A
IdeaPad N40
IdeaPad N40-30
IdeaPad N40-45
IdeaPad N40-70
IdeaPad N50
IdeaPad N50-30
IdeaPad N50-45
IdeaPad N50-70
IdeaPad V4400
IdeaPad V4400A
  • We can ship our orders to all australia address by Australia Post, including ACT, NSW, NT, QLD, SA, TAS, VIC, WA. Tracking website:
  • We also offer worldwide shipping, such as USA, United Kingdom/Ireland, Canada. And France, the Netherlands, Germany, Spain, Italy, Belgium etc 44 EU countries.
  • Items are generally shipped out in the same business day or the next business day after payment has been verified (Sat & Sun excluded).
  • Please make sure your shipping address is correct and deliverable. We are not responsible for wrong or undeliverable address.
  • Shipping information will be emailed to customer once it is shipped.

Shipping Method Shipping & Handling Each Additional Item Delivery Time
Economy Shipping AU $8.99 for first item AU $4.00 5-14 Business Days
Expedited Shipping AU $29.99 for first item AU $20.00 3-7 Business Days

Attention when use your new LENOVO B40-45 battery pack
Do you want your laptop run well at any mobile place? The Follow suggestions will help you protect your Laptop Battery life.

Here's How:

  • Before using the new battery, Please read the LENOVO B40-45 battery maintain parts of the user manual carefully.
  • When charge your battery first time, Please fully charge 12 hours. The new battery need three times charge/discharge cycles before achieving maximum capacity.
  • If a long time (three weeks or longer) without using a laptop or find the battery charge/discharge time become shorter than before, You should fully discharg the battery before charging next time.
  • When charge the LENOVO B40-45 battery, Please keep the laptop power off. Don't unplugged the power on the battery charge half-way. It is best time to use your laptop after full charged 30 minz later.
  • Dont put battery exposure, damp and erosion some chemical liquids. Avoid contact with metal stuff to make battery short-circuit and so on.

    • Seven tips to Prolong your LENOVO B40-45 Laptop Battery life
      1. Please recharge when power left less than 5%. Don't wait run out and then recharge.

      2. Try Li-ion LENOVO B40-45 battery for your laptop. It can work long time than Non Li-Ion one.

      3. Keep your laptop defragmentation regularly to prolong the laptop battery life.

      4. Use some hard drive and optical drive spin-down software to reduce the power consumpition of laptop.

      5. When long time without using laptop, Keep it in standby or sleep mode. It can both save the power and extend the LENOVO B40-45 notebook battery life.

      6. Store your battery in a cool and dry place when don't use.

      7. If you usually keep your laptop plugged in fixed power or rarely use it. Please take down your battery. If not, it will hurt the battery life.

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We do concern every customer and will try our best to provide the best service for all our customers. If you have any enquiries or complaints you may contact us at any time. Please provide us your information as requested. Our representatives will answer your enquiries as soon as possible.