Tips:There maybe 2 battery models fit for your laptop: RJ40G 63Wh and WY9DX 42Wh, just refer to above picture. Pls open your laptop case to confirm your original battery shape and then choose the right one.Specification:Battery cellrecharge cycles： 500Operation time: Around 1-3.5hoursReplacement Part NumberRJ40G 01K2CF 075X16 WY9DX 0WK3F1 0M3KCN 005R42Compatible ModelsFor Dell Latitude 14 5420 CHKFM FDTCY XPC5H seriesFor Dell Latitude 15 5520 39V1H FPKNM seriesFor Dell Precision 15 3560 3H45Y 4MTF7 758J7 7RV10 F3T9T seriesFor Dell Latitude 14 5420 series.For Dell Latitude 15 5520 series.For Dell Precision 15 3560 series.
✅LOT RJ40G Battery For Dell Latitude 5420 5520 Precision 15 3560 63Wh-Long Size
Tips:There maybe 2 battery models fit for your laptop: RJ40G 63Wh and WY9DX 42Wh, just refer to above picture. Please open your laptop case to confirm your original battery shape and then choose the right one.
Specification:
Battery cell
recharge cycles： 500
Operation time: Around 1-3.5hours
Replacement Part Number
RJ40G 01K2CF 075X16 WY9DX 0WK3F1 0M3KCN 005R42
Compatible Models
For Dell Latitude 14 5420 CHKFM FDTCY XPC5H series
For Dell Latitude 15 5520 39V1H FPKNM series
For Dell Precision 15 3560 3H45Y 4MTF7 758J7 7RV10 F3T9T series
For Dell Latitude 14 5420 series.
For Dell Latitude 15 5520 series.
For Dell Precision 15 3560 series.
Install A New Battery:
1. You need to turn off your laptop and disconnect the power.
2. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery.
3. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Laptop Maintenance Tips:
1. New battery: For use a new battery, you’d better try a few cycles of discharging to 5%. then charging up to 95%. So that it can be activated completely
2. Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened
3. Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug.
4. Long-term storage:Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery
5. Charger: Do not replace the laptop adapter casually. If the original adapter cannot be applied due to malfunction or damage, please replace the models, so as not to reduce the service life of the battery due to incompatibility.
PaymentDelivery detailsTerms of salesAbout usWarranty PolicyPaymentWe accept payment via PayPal, Visa, Mastercard, Apple Pay, Google Pay etc.Delivery detailsShipping timeItem locate California and New Jersey of Unites States of America.Usually, delivery time less than 5 days in California. Except holiday, weekend, weather delay etc.Other states in U.S.A, the whole shipping time may be in 5 to 10 working days.Package sent from which above warehouse, according to inventory stock quantity , and post address distance.Through 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 shipmentCurrently, 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.Terms 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 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 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 30 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 message, and provide photo at message.. We set automatically respond to return request, it may be cause solution is not your and our expected. For example, you want replace item, asked buyer return and refund.ExchangeSend 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 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 Return Policy, our warranty to your purchase will be revoked.
- Please contact us via 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 Apr 20, 2026 at 20:28:28 PDT, seller added the following information:
