2-power 2P-4YRJH - akku - paristo 71 mAh 11,1 V

For field technicians and office professionals who depend on their Dell Latitude E6420, E6520, E5420, or E5520, a reliable battery is non-negotiable. The 2-Power 2P-4YRJH is a direct replacement that delivers consistent power through long meetings, site visits, and travel days. It slots into the same bay as the original, so there's no fiddling with adapters or settings—just swap and go.

Key specifications

• Brand: 2-Power
• Model: 2P-4YRJH
• Battery type: Lithium-Ion (Li-Ion)
• Capacity: 71 Wh / 6400 mAh
• Voltage: 11.1 V
• Number of cells: 6
• Rechargeable: Yes
• Colour: Black
• Compatibility: Dell Latitude E6420, E6520, E5420, E5520 series and others
• Replaces Dell part numbers: 4YRJH, M5Y0X, NHXVW, PRRRF, T54F3, T54FJ, X57F1
• Safety features: Overcharge protection, over-discharge protection, short-circuit protection
• Certifications: CE, RoHS

Why choose it

This battery is built to match or exceed the original's performance, using high-quality Li-Ion cells that hold their charge over hundreds of cycles. The 71 Wh capacity means you can work unplugged for hours—editing documents, running spreadsheets, or joining video calls without hunting for an outlet. Built-in protection circuits guard against common battery killers, extending the overall lifespan and keeping your laptop safe.

Ideal use cases

• Replacing a worn-out original battery that no longer holds a charge
• Keeping a spare battery charged for long flights or remote work
• Extending the life of an older Dell Latitude that's still perfectly capable
• IT departments stocking replacement batteries for fleets of Latitude laptops

Good to know

The battery is user-replaceable—no tools needed beyond a screwdriver for the compartment cover. It arrives partially charged, so you can test it immediately. For best results, fully charge and discharge it a few times to calibrate the laptop's battery meter. Store it in a cool, dry place if you're keeping it as a backup. 2-Power batteries are tested for compatibility and safety, and this model carries CE and RoHS marks.