ZTHY Lenovo Yoga/Ideapad 71Wh Replacement Battery

ZTHY L19C4PDC / L19L4PDC / L19M4PDC is a direct-replacement 71Wh Li-ion battery designed to restore full runtime to compatible Lenovo Ideapad and Yoga 7 laptops.

If your Lenovo Yoga 7 or Ideapad C750 has shorter battery life or won't hold a charge, this ZTHY battery offers a high-capacity, compatible replacement that matches the original factory specs. It delivers 15.36V and 71Wh (4622mAh) capacity with a 4-cell design and is built to the same form factor as the OEM part numbers listed, so it fits and functions like the original.

Will this battery fit my Lenovo Yoga 7 or Ideapad model?

Yes—this pack is built to replace the factory batteries for a specific range of Lenovo models and part numbers. Confirm compatibility by matching your device’s model number or existing battery part label with the compatible part numbers below.

• Compatible part numbers: L19C4PDC, L19L4PDC, L19M4PDC and equivalents 5B10Z26482, SB10Z26481, 5B10Z26485, SB10Z26483, 5B10Z26479, SB10Z26486.
• Compatible series: Lenovo Ideapad Yoga 7-14ITL5, Yoga 7-15ITL5, Ideapad Yoga C750-14ITL and related Yoga 7i models.
• Check your laptop model sticker or the old battery label to confirm exact fit and connector alignment.

How long will this replacement battery last and what performance can I expect?

The ZTHY battery is rated for 71Wh and is built with Li-ion cells designed to keep reliable capacity through numerous charge cycles. You should expect typical laptop runtimes similar to the original battery when used under comparable workloads.

• Nominal voltage: 15.36V for stable power delivery.
• Capacity: 71Wh / 4622mAh, 4-cell configuration for balanced density and heat management.
• Cycle life: Designed to withstand up to approximately 500 full recharge cycles.

What safety and installation guidance should I follow when replacing the battery?

ZTHY batteries are CE- and UL-certified and manufactured with safety standards in mind, but correct installation is essential for reliable operation. Follow routine safety steps and the included notes to ensure the new battery initializes properly in your laptop.

• Safety certifications: CE and UL compliance for electrical and environmental standards.
• If not recognized at first, reinstall and confirm the connector is fully seated.
• Initial conditioning: discharge to 10–20% (not fully to 0%), then charge and cycle 3–4 times to stabilize battery reporting.

How do I check compatibility and swap the battery without voiding warranty?

Verify the replacement by matching the part numbers and physical layout; follow manufacturer guidance for battery access to avoid warranty issues. If your laptop has an internal battery, use a static-free environment and the right tools or have a certified technician perform the swap.

• Match part numbers printed on your existing battery to the compatible list provided.
• Use proper tools and anti-static precautions when opening the chassis.
• Keep original packaging and documentation if professional service or returns are required.

Who is this for: This ZTHY replacement battery is ideal for owners of Lenovo Yoga 7 or Ideapad Yoga C750 laptops who need to restore original runtime, replace a failing battery, or maintain mobility without purchasing a new laptop. It suits technicians, IT departments, and hands-on users who prefer a like-for-like battery swap using certified, safety-tested cells.