Adopting A-grade brand new battery cells with high quality and capacity, our replacement Dell P40F battery is characterized with adequate capacity, steady performance and longer standby & usage time; It is of non-memory effect, enables quick charge, has longer service life for repeated use and be 100% compatible with the original Dell batteries.
With its excellent design, our batteries for Dell P40F laptop not only enables multi-protection for overcharge & over-discharge and over-current & short circuit, but at the same time balances charge and discharge of each internal battery cell, which is safe and durable. Having passed strict tests of FCC，CE，UL，ROHS and ISO9001/9002, and designed completely according to the original circuit and dimension, our battery can fit perfectly with your computer; the case of our replacement Dell P40F batteries are made from ABS+PC alloy material with resistance to high temperature and wear, which ensures an ever-new appearance. Our products are safe and reliable, please rest assured purchase. Please make sure the received merchandise is correctly used. If there is anything you have not understood or the battery cannot work normally, please write down and email your problem, your notebook model and our product model to service@delllaptopbattery.us to consult our service staff. We will reply to your mail within 24 hours. Thanks for your supports!

All the batteries sold by DellLaptopBattery.us are quality-guaranteed. Before your payment, please confirm the model of your computer or the part number of your old battery that compatible with, see clearly the description and make sure that the appearance of the product is the same with your battery, so as to avoid unnecessary trouble and loss.

Compatible Part Numbers

• 0MF69
• 24DRM
• 312-1387
• 312-1390
• 312-1392
• 312-1433
• 451-12107
• 451-12108
• 49VTP
• 4DMNG
• 4WY7C
• 68DTP
• 6HY59
• 6K73M
• 6KP1N
• 6XH00
• 8RT13
• 8TT5W
• 9K1VP
• DJ9W6
• FW1MN
• G019Y
• G35K4
• MK1R0
• MR90Y
• N121Y
• PVJ7J
• T1G4M
• V1YJ7
• V8VNT
• VR7HM
• W6XNM
• X29KD
• XCMRD
• XRDW2
• YGMTN

Fit Models

• Inspiron 14(3421)
• Inspiron 14(3442)
• Inspiron 14R(5421)
• Inspiron 14R(5437)
• Inspiron 15(3521)
• Inspiron 15(3537)
• Inspiron 15(3541)
• Inspiron 15(3542)
• Inspiron 15R(5521)
• Inspiron 15R(5537)
• Inspiron 17(3721)
• Inspiron 17(3737)
• Inspiron 17(5748)
• Inspiron 17R(5721)
• Inspiron 17R(5737)
• Inspiron 3443
• Inspiron 3531
• Inspiron 3543
• Latitude 3440
• Latitude 3540
• Vostro 2421
• Vostro 2521

Please read the instruction carefully before using

1. For the first time using the brand new replacement Dell P40F battery,please discharge it to 5% and the fully charge it to 100%.
2. For normal daily usage,please recharge immediately when the replacement Dell P40F battery reduced to 3%. It is prohibited to discharge the battery to 0% as that will shorten the battery life and causing dameges to the battery.
3. The battery needs to be recycled constantly. It is recommended to fully discharge to 5% and recharge to 100% once every two months in order to maintain the best performance.
4. If you don't use the battery for a long time(2 months or more), you should charged it a mininum level of 50%. Otherwise it may not be able to charge again after long time storage.
5. Don't take out the replacement Dell P40F battery from the laptop while it is charging or discharging
6. When discharging, don't discharge to 3% or lower. It is prohibited to discharg the battery until the laptop lost power or 0%.

1. Once payment is received, we will arrange the shipment in 24 hours(business days). When the shipment is confirmed, you'll receive a tracking number in your confirmation e-mail.
2. This replacement Dell P40F battery will be sent well packed in anti-static bag, boxed in sponge padded box and further sealed in plastic bag.
3. If you need to cancel or change an order, please contact us within 1 hours by emailing service@Delllaptopbattery.us.
4. Please key in the correct shipping address in English while checking out with PayPal. Or the order will be shipped to your PayPal address.
5. If your home address (habitually receiving address) has been changed, please edit your PayPal address in time to avoid editing receiving address repeatedly while checking out with PayPal.

1. We offer Full 1 Year Warranty on our high quality replacement Dell P40F batteries.
2. 30 Day Money Back Guarantee if you are not satisfied with our products.
3. We are sure that all sold merchandises are brand new, we will check all functions of the replacement Dell P40F batteries before delivery.
4. Our batteries are made using the highest quality cells available and utilize all of the proper logic boards, thermal protectors, thermistors and circuit breakers to ensure the highest levels of battery safety, reliability and efficiency
5. We guarantee your complete satisfaction. If for any reason you are unsatisfied with your purchase please contact us within 24 hours of receiving your shipment.