OUWEE JK6Y6 40Wh Laptop Battery for Dell Latitude/Inspiron

OUWEE JK6Y6 is a drop-in 40Wh lithium-ion replacement battery engineered to restore power to a wide range of Dell Latitude, Inspiron, and Vostro notebooks.

When your Dell laptop currently runs shorter between charges or will not power on without AC, the OUWEE JK6Y6 battery gives you a direct, manufacturer-compatible option without replacing the whole device. It matches the original 11.25V electrical profile and 40Wh capacity (3550mAh), fits the JK6Y6/C5KG6/CF5RH part numbers, and is tested to meet UL, CE, FCC, and RoHS safety guidelines.

Which Dell models work with this replacement battery?

The JK6Y6 from OUWEE was designed for modern Dell mid-range laptops and 2-in-1s. It is compatible with many Latitude, Inspiron, and Vostro model families commonly shipped with the factory JK6Y6 part number.

• Latitude: 3410, 3510
• Vostro: 5300, 5301, 5400-series, 5500-series
• Inspiron: 5300, 5401, 5408, 5501, 5508, 5400, 7405, 7300, 7500 and selected 2-in-1 Silver Series
• Replacement part numbers included: JK6Y6, C5KG6, CF5RH

How does the JK6Y6 match original battery performance?

This replacement mirrors the original battery's voltage and approximate energy capacity so your laptop's power management behaves as expected. OUWEE runs quality checks to ensure stable current output, accurate capacity reporting, and low self-discharge.

• Voltage: 11.25V — compatible with Dell charging circuits
• Capacity: 40Wh (3550mAh) for comparable run time
• Li-ion chemistry for reliable charge cycles
• Tested to meet safety and environmental certifications

Is the OUWEE battery safe and supported after purchase?

OUWEE supplies safety certifications and a practical warranty so you can install the battery without worry. Certifications and QC reduce risk from overcurrent, overheat, and other common battery issues.

• UL, CE, FCC, RoHS certified components and manufacturing
• 12-month warranty plus 30-day money-back guarantee
• 24/7 email support through your order page for troubleshooting
• New condition — inspected before shipping

What should I know before fitting this battery myself?

Replacing a laptop battery is usually straightforward for these Dell models, but a few precautions help prevent damage. Power down the machine, remove external power, and follow static-safety steps; if you’re unsure, seek professional installation.

• Turn off laptop and unplug AC adapter before starting
• Work on a static-free surface and use proper tools if needed
• Confirm your current battery part number matches JK6Y6/C5KG6/CF5RH
• After install, fully charge then calibrate battery via power settings

Who is this for: The OUWEE JK6Y6 battery is aimed at Dell users whose original battery no longer holds adequate charge and who want a like-for-like replacement without paying OEM premiums. It suits IT pros managing workstations, students needing consistent unplugged time, and anyone keeping a supported mid-range Dell laptop or 2-in-1 running reliably. If you need a tested 11.25V, 40Wh Li-ion replacement that lists JK6Y6/C5KG6/CF5RH compatibility and includes manufacturer support, this OUWEE option is a practical choice.