Fancy Buying Laptop Battery L16M4PB1 L16L4PB1 L16C4PB1 - Reliable 48Wh

In this review the Fancy Buying replacement battery is presented for users of the Yoga 720 and 730 13 series notebooks who need a straightforward swap to restore run time. The bottom line is that this is a practical, cost-conscious replacement that delivers correct fit and basic protection circuits rather than any performance miracle. It is best for owners who need a direct, OEM-compatible spare battery and value straightforward installation and a clear parts match over factory branding.

Key Features

• Compatibility: Matches multiple compatible P/N entries so it fits Yoga 720-13IKB and 730-13IKB/13IWL series without modification.
• Battery chemistry: Uses a Li-polymer design to provide a compact 4-cell pack that keeps weight low while restoring laptop run time.
• Power capacity: Rated at 7.72V and 48Wh which returns usable runtime for everyday browsing and office tasks on the supported notebooks.
• Protection circuitry: Built-in overcharge, overdischarge, overcurrent and temperature protections that improve safety compared with bare cells.
• Construction quality: Assembled from new cells and circuit boards to meet OEM-style standards and support up to hundreds of recharge cycles.
• Support: Includes a 30-day full refund window and a 12-month warranty with direct contact for service.

Who It's For

The replacement battery is aimed at owners of Lenovo Yoga 720-13IKB and Yoga 730-13IKB/13IWL series who need a direct part number match such as L16L4PB1, L16C4PB1 or L16M4PB1 and want a simple do-it-yourself battery swap. It is a good fit for students, remote workers, and technicians who value correct fit, basic safety features, and a clear warranty.

It is less suitable for users expecting significantly faster charging, dramatic capacity gains over original equipment, or for systems with uncertain model numbers; those customers should verify the exact part number or seek OEM-branded options if absolute parity with factory behavior is required.

Pros & Cons

Pros

• Fits the listed Yoga 720 and 730 13 series models precisely, making installation straightforward.
• Includes multi-stage protection circuitry for overcharge, overdischarge, temperature and short-circuit safety.
• Good value: the 48Wh Li-polymer pack restores usable laptop runtime for typical tasks.

Cons

• Charge rate and long-term cell quality have mixed user feedback, so peak performance may vary between units.

Specifications

Battery Type	Li-polymer
Voltage	7.72V
Capacity	48Wh
Cells	4-cell
Compatible P/N	L16L4PB1, L16C4PB1, L16M4PB1, 5B10M52738/739/740, 5B10Q38237/238, 2ICP4/43/110-2
Compatible Models	Yoga 720-13IKB series; Yoga 730-13IKB and 730-13IWL series
Warranty	30 day refund, 12 month warranty

Our Verdict

The Fancy Buying replacement battery is a sensible, cost-effective choice for users who need a correct-fit battery for Yoga 720 and 730 13 series laptops. It restores usable runtime, includes essential protection circuitry, and comes with a clear return and warranty policy, making it a practical value buy for DIY replacements even if some units show variable charge behavior.

Frequently Asked Questions

Will this battery fit my Yoga 730-13IKB?
Yes, it is listed as compatible with Yoga 730-13IKB and related 13 series variants when the laptop part number matches the supported P/N list.

Is the battery new or refurbished?
The battery is supplied 100% new from the manufacturer and assembled from new cells and circuit boards.

What warranty and support are included?
There is a 30 day full refund option and a 12 month warranty; the seller offers email support with responses within 24 hours for issues.