Choccosuri MR90Y 65Wh 11.1V Battery for Dell Inspiron & More – 6-Cell Replacement

Upgrade your Dell laptop power with the choccosuri MR90Y 65Wh battery

The MR90Y is a 65Wh, 11.1V, 6‑cell replacement designed to deliver a dependable power source for a wide range of Dell notebooks. It marks an upgrade from the older 40Wh option, offering improved energy delivery, faster recharges, and a more efficient power profile. Built with Grade A cells and modern protection circuitry, the MR90Y aims to provide steady performance across many usage scenarios without promising specific results.

What makes the MR90Y a solid option

• 65Wh capacity at 11.1V supports longer sessions between charges, helping you stay productive on the go.
• 6-cell configuration combines energy density with balanced weight, providing a lighter upgrade over lower-capacity batteries.
• Upgraded design from a prior 40Wh/14.8V version delivers reduced energy loss and more efficient charging behavior.
• Grade A cells paired with advanced circuitry help maintain stable voltage and protect against common power issues.
• Fast charging optimization and low power consumption support smoother day-to-day use without overtaxing the system.
• Built-in safety features guard against overheating, short circuits, and overloads, aligned with environmental standards.

Compatibility and practical usage

• Compatible with Dell Inspiron 14/14R series (3421, 3437, 5421, 5437, N3421, N5421).
• Compatible with Dell Inspiron 15/15R series (3521, 3531, 3537, 3542, 3543, 5521, 5537, N3521, N5521, N5537).
• Compatible with Dell Inspiron 17/17R series (3721, 3737, 5721, 5737, 5749, N3721, N3737, N5721, N5737).
• Supported models include M531R, M531R-5535, M731R, M731R-5735, Latitude E3440/E3540, and Vostro 2421/2521.

Part numbers and identifiers vary; MR90Y is commonly listed with multiple equivalents. When shopping, verify the model list on the product page and cross-check the exact Dell model you use to ensure the best fit.

Safety, durability, and support

• Safety and durability are addressed through robust cell conditioning, circuit protection, and environmental compliance.
• Built to resist typical wear from regular charging cycles and everyday travel, with safeguards against common electrical faults.
• We offer 60-day returns and a 1-year warranty. For compatibility help, review the product details and use CTRL+F to locate your model.

In short, the choccosuri MR90Y battery is positioned as a capable replacement option that emphasizes energy efficiency, safety, and broad compatibility. It presents a practical path for users seeking to refresh their Dell laptops with a reliable, middle‑to‑high capacity battery without committing to guaranteed results.