Fancy Buying Lenovo Laptop Battery 45Wh L18C4PF3

If your Lenovo laptop is losing charge quickly or won’t hold power through a full work session, this Fancy Buying replacement battery provides a direct-fit option built to the original voltage and capacity specs. Engineered to match the L18C4PF3 / L18M4PF3 / L18M4PF4 / L18C4PF4 family and cross-referenced part numbers, it restores usable runtime with integrated safety circuits to protect your machine.

Which Lenovo models will this battery work with?

This battery is compatible with a range of 14-inch Lenovo IdeaPad and Flex systems. Check the exact model number on your laptop (usually on the bottom sticker) against the listed series to confirm fit before purchase.

• Compatible series: IdeaPad C340-14API / C340-14IML / C340-14IWL
• S540 series: S540-14API / S540-14IML / S540-14IWL (including touch variants)
• Flex-14 series: Flex-14IML / Flex-14API and models labeled 81SS (for example 81SS0005US)
• Also cross-references replacement part numbers such as 5B10T09081 and related OEM codes

How long will the battery last and what protections are included?

The battery uses a Li-ion chemistry rated 15.36V and 45Wh across four cells and is designed for roughly 500 full recharge cycles. Built-in protection circuitry reduces risks from overcharging, over-discharge, excessive current and high temperature to help preserve the pack and connected laptop.

• Capacity: 45Wh at 15.36V (4-cell configuration)
• Recharge durability: up to approximately 500 cycles under normal use
• Safety: overcharge, over-discharge, short-circuit and temperature protection
• Assembled with quality cells and circuit boards to meet OEM-style performance

Will installation be straightforward and is this a new battery?

Yes — this Fancy Buying battery is 100% new from the manufacturer and built to align with the original physical and electrical specifications for a like-for-like replacement. Installation typically involves removing the laptop’s bottom cover and swapping the old pack for the new one; follow your laptop’s service manual or a step-by-step guide if you’re unfamiliar with the process.

• Pack is new and factory-assembled to match OEM dimensions and connector layout
• Direct replacement for listed Lenovo part numbers and models
• Recommended: power down, disconnect AC, and ground yourself before installation
• Professional installation available if you prefer not to open the laptop yourself

What warranty and return options come with the battery?

Fancy Buying supports this battery with a 60-day return window and a 12-month replacement policy to address defects or early failures. If you need help, contact the seller through the store message option to initiate returns or request replacement steps.

• 60-day return policy from delivery date
• 12 months replacement coverage for manufacturing faults
• Contact method: use the store "ask a question" feature to reach the seller
• Return window closes one month after receipt, so act promptly for returns

Who is this for? Choose this Fancy Buying replacement battery if you own a compatible Lenovo 14-inch IdeaPad or Flex model and need a reliable, OEM-spec pack to regain unplugged runtime. It fits owners who want a new, protected Li-ion cell assembly that matches the original part numbers and includes seller-backed returns and replacement coverage for peace of mind.