Dentsing Lenovo Legion Replacement Laptop Battery 52.5Wh

Dentsing L17M3PG1 replacement battery is a direct-fit 11.25V, 52.5Wh Li-ion power pack built to restore runtime for compatible Lenovo Legion gaming laptops.

If your Legion Y530, Y540, Y545, Y740 or 2019 Y7000 shows short battery life or won’t hold charge, this Dentsing unit is designed as a compatible spare that matches the original battery’s voltage, shape and connector layout. The pack ships with installation instructions and a manufacturer-backed returns and warranty policy so you can swap the module yourself with confidence.

Will this battery fit my Lenovo Legion model?

This Dentsing battery is made to match specific Lenovo part numbers and the physical form factor used across several Legion series. Before ordering, remove your laptop’s bottom cover to confirm the existing battery looks like the same shape and connector type, and check the compatible P/N list.

• Compatible models include Legion Y530-15ICH, Y540-15IRH, Y545-PG0 and many Y740 variants.
• Accepted part numbers: L17M3PG1, L17C3PG1, L17C3PG2, L17M3PG2, L17M3PG3 and related Lenovo part codes.
• Not compatible with the Lenovo Legion Y7000 2020 series—verify year and label carefully.

How much runtime and power does the battery provide?

This replacement is rated 11.25 volts and 52.5Wh (about 4670mAh), the same electrical specs as the factory pack it replaces. Actual runtime depends on the laptop configuration, GPU load and power profile, but the capacity specification ensures you regain the original design runtime when the module is healthy.

• Voltage: 11.25V — matches original system requirements.
• Capacity: 52.5Wh / 4670mAh — restores typical laptop runtime.
• Li-ion chemistry — standard for modern laptop batteries with stable discharge behavior.

What comes in the box and what support is available?

Each sale includes the Dentsing battery and a printed instruction sheet to guide a safe swap. The brand backs purchases with a 30-day refund window and a 12-month warranty; if you need help beyond the marketplace return period, contact the seller through their store page.

• Package contents: 1 battery, 1 instruction leaflet.
• Support: 30-day refund policy plus 12-month limited warranty from Dentsing.
• Customer help: contact seller via the store "ask a question" link for post-return-window assistance.

How difficult is installation and what safety checks should I take?

Installation is straightforward for anyone comfortable opening a laptop: power down, unplug, ground yourself, and remove the back cover to swap the battery. Avoid shorting contacts, and confirm the connector orientation and screw locations before powering up.

• Tools: small Phillips screwdriver and plastic pry tool recommended.
• Precaution: disconnect AC and remove the old battery connectors gently.
• Verification: boot and check BIOS or OS battery information to confirm proper recognition.

Who this is for: Gamers, power users and technicians who own Lenovo Legion models from the Y530/Y540/Y545/Y740 families and need an OEM-compatible replacement battery. It’s targeted at users who prefer a plug-and-play swap to restore mobile runtime without upgrading the entire system, and who will verify part numbers and physical fit prior to installation.