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Menlonigt is an electronic technology company with over 20 years of experience specializing in the manufacture and sale of replacement laptop batteries and adapters. Retail and bulk orders supported. Wish you a happy shopping!
Laptop battery instructions：
- Safety and stability: our batteries have all passed the safety test, built-in circuit protection, use at ease
- High capacity, High quality, Long service life
- Class A batteries can be recharged up to 500 times during the battery life. Ensure low power consumption and fast charging
High Performance 40Wh XCMRD Laptop Battery
Specifications:
- Brand: Menlonigt
- Model Number: 40Wh Standard Rechargeable Li-ion Battery Type XCMRD
- Capacity: 40Wh
- Voltage : 14.8V
- Cell: 4-cell
- Battery Type: Li-ion
- Condition: Brand New
- Package included: 1PC xcmrd battery, manual
Broad Compatibility
This 40Wh XCMRD battery is a universal replacement battery for Dell Inspiron 15 3000 series 3531 3541 3542 3543 3521 3537 3531 15R 5521 5537, Inspiron 17 3721 3737 5749 17R 5737 5721, N3721 N3737 N5721 N5737, Latitude 3440 3540 E3440 E3540 series, Vostro 2421 2521 series P37G P28F P17E P40F laptop models and more.
Compatible with Dell Laptop Models:
For Dell Inspiron 14 14R Series 14-3421 14-3437 14-3443 14R-5421 14R-5437 14-N5421 14-N3421
For Dell Inspiron 14 3000 Series 3421 3437 3443
For Dell Inspiron 15 15R Series 15-3521 15-3537 15-3531 15-3542 15-3543 15-3541 15R-5521 15R-5537 15R-N3521 15R-N5521 15R-N5537
For Dell Inspiron 15 3000 series 3531 3541 3542 3543
For Dell Inspiron 17 17R Series 17-3721 17-3737 17R-5737 17R-5721 17R-N3721 17R-N3737 17R-N5721 17R-N5737
For Dell Latitude 3540 series
For Dell Latitude 3540 series
For Dell Vostro 2421 series
For Dell Vostro 2521 series
Compatible with Part Numbers:
40Wh XCMRD 4WY7C FW1MN 0MF69 24DRM 49VTP 4DMNG 6HY59 68DTP 6KP1N 6XH00 6K73M 8RT13 8TT5W 9K1VP DJ9W6 G35K4 G019Y N121Y MR90Y MK1R0 T1G4M VR7HM PVJ7J V1YJ7 V8VNT YGMTN X29KD XRDW2 W6XNM 312-1390 312-1387 312-1433 312-1392 451-12107 451-12108
Preparation Before Installing a New Battery
First check if the battery is the same size as your original battery after receiving it.
Before disassembling your laptop, put the old battery charge below 25%.
We recommend that you search for battery removal tutorials on the Internet in advance, or seek help from a professional technician. We won't responsible for any damage due to improper operation.
When installing the battery, pay attention to whether the battery cable is fixed. If the battery cable is not installed correctly, the battery may not be charged.
Usual Troubleshooting Methords
Why doesn't your laptop detect the battery or display the battery level properly after installing the battery?
Could be caused by battery loose. Please check whether the battery cable is installed properly.
May be due to conductive material damaged which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery.
Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.
Laptop Battery Manual
New battery: Discharge the new battery to 10% (not 0%), then charge it to 100%. Cycle 3-5 times to activate its maximum capacity before use.
Overuse: Do not run out of battery power to 0%, the lithium battery will turn on the charge protection so that it can not be recharged, which is the nature of lithium batteries.
Long-term storage: Charge it to around 50% when you store it long term. (Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery.
Adapter: Always use the proper ac adapter charger for your device.
James McDaniel
Reviewed in the United States on February 15, 2025
Works great
Bowler n 757
Reviewed in the United States on April 11, 2025
It works great! Starting working as soon a I put it in laptop!
M. Long
Reviewed in the United States on September 22, 2024
Replace a old (maybe bad) battery. Easy to remove old and replace it with this, worked first time.
Eleanor
Reviewed in the United States on August 18, 2024
Used to revive a long dead computer. Worked fine and allowed me to refurbish an old computer and keep it out of the scrap heap. Been working 8+ months now with no issue.
Izzy Is
Reviewed in the United States on July 26, 2024
Would not hold a charge. The laptop screen would go black and needed to be rebooted several times. Had to return.
J C Robinson
Reviewed in the United States on December 3, 2024
.
Sheryl
Reviewed in the United States on December 26, 2024
Gives my old lap top a second chance. Lol. Doing good keeping it charged again without always being plugged in.
Kellen Cristina
Reviewed in the United States on December 24, 2024
As advertised.It’s working perfectly and gave new life to the notebook.
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