COWOOGMZ 72Wh 61++ Replacement Battery for Lenovo ThinkPad

The COWOOGMZ 72Wh (6600mAh) 61++ replacement battery is a direct-fit, high-capacity lithium-ion pack designed to restore portable runtime to compatible Lenovo ThinkPad laptops.

If your ThinkPad shows reduced battery life, won't hold a charge, or you need a spare for travel, this COWOOGMZ battery is built as a replacement for a wide range of Lenovo models and OEM part numbers. It provides 11.1 V and 72Wh (6600 mAh) capacity using A++ grade cells and an integrated protection board to manage charge and discharge safely. The pack is manufactured to match the original mechanical and electrical interfaces so installation is straightforward for supported models.

Which Lenovo models and part numbers will this battery work with?

This pack is engineered to be compatible with many ThinkPad T, P and A series laptops. It corresponds to multiple Lenovo part numbers, making it suitable for machines that require a 61++ 72Wh battery.

• Compatible laptop models: ThinkPad T470, T480, T570, T580, P51S, P52S, A475, A485, TP25 series.
• Cross-referenced part numbers: 01AV427, 01AV425, 01AV424, 01AV428, 01AV492 and similar OEM codes.
• Alternative references included: 4X50M08810 / 4X50M08812 and SB10K97584 / SB10K97585 among others.

How reliable and safe is the COWOOGMZ replacement battery?

The pack includes an internal circuit protection board and A++ grade cells to help ensure consistent performance and protection against overcharge, over-discharge and short circuits. While not an original Lenovo factory battery, its safety features are designed to meet typical laptop battery requirements.

• Integrated protection electronics guard against common electrical faults.
• A++ cells for stable charge/discharge and improved cycle life.
• Manufactured and tested to match voltage and capacity specifications (11.1 V, 72 Wh).

How do I install this battery and what performance should I expect?

Installation follows the same steps as the original battery: power down, remove the bottom cover, swap the pack, and secure it in place. After installation, calibrate by fully charging and then discharging once to help the system report capacity correctly.

• Designed for direct-fit replacement of the original 61++ pack—no modification required.
• Initial charge/discharge cycle recommended to stabilize battery meter reporting.
• Actual runtime depends on laptop model, workload and power settings.

What support and service come with the battery?

COWOOGMZ offers customer support for purchases — you can contact the seller through the storefront or order page for troubleshooting and help with fitment questions. The support team can assist with part-number checks to ensure you order the correct item for your laptop.

• 24-hour online support available for inquiries and technical help.
• Search guidance: use Ctrl+F to find your laptop model or part number on the listing.
• Seller assistance for returns or fitment follow-up if needed.

Who is this for: This replacement battery is intended for ThinkPad owners needing a proven, higher-capacity substitute for worn or failed 61++ batteries. It suits technicians, mobile professionals, students and anyone who wants to restore or extend the battery life of supported Lenovo T, P and A-series laptops without changing chargers or laptop hardware. Always confirm your laptop model or original part number before purchasing to ensure compatibility.