Menlonigt Lenovo Yoga 720/730 13-inch Replacement Battery

Menlonigt L16L4PB1 / L16C4PB1 is a 48Wh replacement lithium-ion battery designed to restore runtime for compatible Lenovo Yoga 720 and 730 13-inch models.

If your Yoga 720 or 730 no longer holds a reliable charge, this Menlonigt drop-in battery offers a direct compatible swap using A+ grade cells and integrated protection circuitry. It matches the form factor and electrical specs of the original pack so installation is straightforward, and it arrives with two screwdrivers to assist the swap. The pack is tested to meet CE, FCC and RoHS standards and is intended as an affordable option when OEM batteries are unavailable or costly.

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

This Menlonigt battery is engineered for the 13-inch Yoga 720 and Yoga 730 series and fits the common internal connector and mount points. It lists multiple compatible part numbers so you can verify fitment before purchasing.

• Yoga 720-13IKB, 720-131KB, 720-13lKB (80X6)
• Yoga 730-13IKB, 730-131KB (81C3) and 730-13IWL, 730-131WL, 730-13lWL (81JR)
• Compatible part numbers: L16L4PB1, L16C4PB1, L16M4PB1, 5B10M52738/739/740

What are the technical specs and safety features of this replacement pack?

The battery is a 4-cell lithium-ion pack rated at 7.72V and 48Wh (approx. 6217mAh). Menlonigt uses Grade A cells and includes protective electronics to prevent overcharging, overdischarge, overheating and short circuits, supporting extended cycle life.

• Voltage: 7.72V; Capacity: 48Wh / 6217mAh
• Cell layout: A+ four-cell lithium-ion
• Built-in protection: overcharge, overdischarge, over-temperature, short-circuit
• Certificates: CE, FCC, RoHS compliant

How easy is it to install and what tools are provided?

Installation is designed to be user-friendly for people with basic laptop repair experience. The pack shares the original battery's shape and connector so it slides and screws into place; Menlonigt includes two screwdrivers to make the swap quicker.

• Comes with two free screwdrivers for case and battery screws
• Direct connector match—no adapter required
• Detailed alignment of screw holes and plastic tabs to simplify reassembly

How long will this battery last and what warranty is offered?

With proper use and charging habits the pack is expected to deliver multiple hundred charge cycles thanks to quality cells and circuit protection. Menlonigt backs the product with a one-year limited coverage against defects from the date of purchase.

• Estimated cycle life: up to ~500 recharge cycles under normal conditions
• One-year limited warranty included
• Customer support available for installation or compatibility questions

Who is this for: This Menlonigt battery is intended for owners of Lenovo Yoga 720 and 730 13-inch laptops who need to replace a worn or failing battery at a lower cost than OEM units. It's suitable for DIYers and technicians who want a straightforward, compatible pack with safety protections and a short toolset included. If you depend on your Yoga for everyday productivity and need predictable portable runtime again, this replacement is a practical choice.