B40-80 Battery For Lenovo B40 B50-70 B40-70 B50-30 B50-45 L13M4A01 L12L4E55 33WhSpecification:Battery type: Li-ionVoltage: 14.8VCapacity: 2200mAh 33WhCell:4 Cellsrecharge cycles： 500Operation time: Around 1.5-2.5hoursThis Laptop Battery can replace the following part number :LENOVO121500191 45N1184 45N11854ICR18/65 4ICR19/66 L12L4E55L13M4A01 L13L4A01This Laptop Battery is also compatible with the following models :LENOVOLENOVO B40 SeriesLENOVO B50 SeriesLENOVO N40 SeriesLENOVO N50 SeriesLENOVO M4400 SeriesLENOVO V4400 SeriesLENOVO Eraser B40 SeriesLENOVO Eraser B50 SeriesLENOVO Eraser N40 SeriesLENOVO Eraser N50 SeriesLENOVO Eraser M4400 SeriesLENOVO Eraser M4450 SeriesLENOVO IdeaPad B40 SerieLENOVO IdeaPad B50 SeriesLENOVO IdeaPad N40 SeriesLENOVO IdeaPad N50 SeriesLENOVO IdeaPad M4400 SeriesLENOVO IdeaPad M4450 SeriesLENOVO IdeaPad V4400 SeriesLENOVO IdeaPad V4 How to confirm that the battery is suitable for your laptop? Method 1: Use System Information to find your laptop model Step 1: Press Windows + R to open Run window. Step 2: Input “msinfo32” in the empty box and click OK to open System Information. Step 3: Keep in the System Summary section, and you will find the System Model item in the right pane. Method 2: Remove Battery from Laptop to find your laptop battery part number Step 1: Switch off the laptop and unplug the power cable in case of electric shock Step 2: Remove the back panel with the screwdriver. You should to this with care avoiding any harm to the laptop components. Step 3: Disconnect the cable connected to the battery and then take out the battery. After that, you can check the specifications of your battery. Install A New Battery:You need to turn off your laptop and disconnect the power.Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.If you don’t understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help youLaptop Battery Instructions:Discharge the new battery to 10% (not 0%), then charge(100%) and cycle 3-5 times to wake up the new battery.It can calibrate the state of the battery by performing a complete and effective charging and discharging of the battery once a month.Charge it to around 50% when you store it long term.Do not keep your battery below 5% or deep discharge state (long time 0%), may turn on battery protection and cause the battery to fail to charge.Please feel welcomed to notify us of any inconvenience or fault in our battery.The following are troubleshooting methods:Turn off the laptop.Unplug AC power.Remove the battery.Replace AC power.Turn on laptop,allow OS to boot.Once logged into the machine, perform a normal shut down.Unplug AC power.Replace battery. PaymentDelivery detailsTerms of salesAbout usWarranty PolicyPayment We accept payment via PayPal, Visa, Mastercard, Apple Pay, Google Pay etc.Delivery detailsShipping time Item locate California and New Jersey of Unites States of America. Usually, delivery time less than 7 days in California. Except holiday, weekend, weather delay etc.Other states in U.S.A, the whole shipping time may be in 7 to 15 working days. Package sent from which above warehouse, according to inventory stock quantity , and post address distance. Through eBay message let us know, if you have shipping time request. Such as send item through other shipments. Before you made payment. Whole shipping time is estimated time, it may be different at actual. Hope get your understanding. 1 to 3 days shipment Currently, delivery successful in California Only. Other states in U.S.A, it may be later delivery in 3 days. Hope you consider carefully before select this shipment. No freight refund, but provide coupon as remedy.ivery detailsy detailsTerms of salesOrder cancellationAt purchase history , find paid order and send cancel request. Usually, request would be agree in 24 hours.Item sent , request failed. Let seller know your request through eBay message, try decline package , or ask seller send return label, or provide other better solution.Revised addressWe only accept shipping address at PayPal’s account, per your and ours account security demand. It is better revised your new address at PayPal account, before you made payment.Bother you send eBay message to us, if you forget revised.It may be our service officer is rest. If you have not received our reply in time, accept our apologies sincerely.ReplacementWe accept 60 days return and refund request, after you get item.You would get a brand new item, or refund full payment, if item is defective.It is better hassle return request through eBay message, and provide photo at message.. We set eBay automatically respond to return request, it may be cause eBay solution is not your and our expected. For example, you want replace item, eBay asked buyer return and refund.ExchangeSend eBay message to us, it is better provide photo at message. you would get correct item finally, get return label after exchange, bother you help us return this wrong item.About usWe are a store, mainly run laptop accessory. Such as battery , ac adapter etc. All item passed FCC / CE / ROHS certificates. Help buyer reduce the risk of damage, fire, dangerours mostly. We work with a good quality OEM supplier and factory. Help you and us save money greatly.Warranty PolicyAbout Warranty- You don’t need to pay for eBay Square Trade for getting covered by our warranty policy.- There is a warranty label on our products like batteries and adapter chargers, please keep it safe and sealed.- We don’t cover the failure or damage caused by misuse, accident, modification, inappropriate physical or operating environment, natural disaster, power surge, and improper maintenance or storage.- If you misuse the eBay Return Policy, our warranty to your purchase will be revoked.- Please contact us via eBay message if you have any problem and please allow us 24 hours to reply, we will do our best to help you solve it.On Jan 10, 2023 at 01:54:29 PST, seller added the following information: