Emanjor J1KND 11.1V 48Wh Laptop Battery for Dell

Emanjor's J1KND is a new 11.1V, 48Wh (5200mAh) 6-cell lithium-ion replacement battery built to restore reliable runtime for compatible Dell Inspiron and Vostro notebooks.

Designed as a direct-fit aftermarket option, this battery swaps into a long list of Dell Inspiron and Vostro models to recover lost runtime and eliminate sudden shutdowns caused by worn-out cells. It meets common safety certifications and includes built-in protections against short circuits, overcharge, and overcurrent to protect both the battery and your laptop. The pack ships in a protective safety box and is backed by a 60-day refund and 12-month replacement policy so you can buy with confidence.

Which Dell models and part numbers does this battery work with?

The J1KND replacement is compatible with many Inspiron and Vostro laptops across 13-, 14-, 15-, and 17-inch ranges. Compatibility covers numerous OEM part numbers so it can replace several original batteries without modification.

• Inspiron 13R/14R/15R/17R families (examples: N3010, N3110, N4010, N5010, N7010, N7110 series).
• Models listed include N3010, N3110, N4010, N4050, N5010, N5030, N5040, N5050, N5110, N7010, N7110 and many variants.
• Also fits Vostro series such as 1440, 1450, 1540, 1550 and similar generations.
• Cross-references OEM part numbers: J1KND, 4T7JN, 07XFJJ, 04YRJH, 06P6PN and others.

How long will the battery power my laptop and what are its specs?

This pack supplies 11.1 volts and 48 watt-hours (5200 mAh) using six Li-ion cells. Actual runtime depends on your laptop's workload and power settings, but the capacity is typical for moderate day-to-day tasks like web browsing, document editing, and media playback.

• Voltage: 11.1V; Capacity: 48Wh / 5200mAh.
• Configuration: 6-cell lithium-ion battery for balanced energy and size.
• Expected use: restores battery life compared with aged OEM batteries; runtime varies by usage.

Is this battery safe and how is it protected?

The J1KND battery includes multiple safety circuits and has undergone intelligent detection procedures to verify protection functions. It also carries standard certifications that indicate compliance with common safety and environmental requirements.

• Built-in protections: short-circuit, over-voltage, over-current, and discharge safeguards.
• Certifications: CE, FCC, and RoHS for regulatory and environmental compliance.
• Packaged with a safety box to prevent damage during shipping.

Who this is for: This Emanjor J1KND battery is aimed at owners of older Dell Inspiron and Vostro laptops who need an affordable, drop-in replacement to renew mobile runtime. It's a good option for students, professionals, or anyone running legacy Dell models listed in the compatibility section who want a dependable aftermarket battery with safety features and a seller-backed return and replacement policy.