BOWEIRUI L18M3PF7 52.5Wh Battery for Lenovo IdeaPad S340

BOWEIRUI L18M3PF7 is a 52.5Wh, 11.4V lithium-ion replacement battery built to restore full run time to compatible Lenovo IdeaPad S340, C340 and Flex15 laptops.

If your Lenovo ideapad is showing reduced battery life, sudden shutdowns, or won’t charge past a low percentage, this BOWEIRUI battery is designed as a direct-fit swap for many Lenovo part numbers and model variants. The pack ships with matching installation tools and instructions, carries built-in circuit protection, and meets common international safety standards so you can replace the pack yourself with minimal fuss.

Which Lenovo models and part numbers does this battery replace?

This battery replaces multiple Lenovo part numbers and fits a wide range of IdeaPad models. It’s compatible with both 14-inch and 15-inch S340/C340/Flex configurations, including touch variants and IML/API/IIL/IWL suffixes.

• Replaces L18M3PF7, L18C3PF7, L18L3PF3, L18M3PF6, L18L3PF2 and similar OEM codes
• Works with part numbers like 5B10T09094, 5B10W67217, 5B10W67195 and others
• Fits models: IdeaPad S340-14IML/14API/14IIL/14IWL, S340-15IWL/15API/15IIL, C340-15IWL/15IIL, Flex-15 series

What are the technical specs and what comes in the box?

The L18M3PF7 is a rechargeable lithium-ion battery rated at 11.4 volts and 52.5Wh (4550mAh), designed to deliver comparable runtime to the original factory pack. The package includes the battery, a set of installation tools, and step-by-step instructions so you can install the replacement safely.

• Voltage: 11.4V; Capacity: 52.5Wh / 4550mAh
• Battery chemistry: Li-ion, rated for up to ~500 recharge cycles
• Package includes installation tools and an instruction sheet for DIY replacement

How safe and reliable is this aftermarket battery?

BOWEIRUI designs the pack to match the original battery’s electrical profile and includes internal protection circuitry to guard against overcharge, overcurrent and short circuits. The cell assembly and manufacturing follow standards consistent with CE, FCC, RoHS and UL guidelines for consumer electronics.

• Built-in circuit protection for stable charging and discharging
• Manufactured to meet CE/FCC/ROHS/UL-related safety expectations
• Quality controls aim to keep performance consistent over hundreds of cycles

How do I install the battery and what support is available if I need help?

Installation is straightforward for anyone comfortable opening a laptop back panel with small tools; the included toolset and instructions simplify the swap. If you run into any issues, BOWEIRUI offers 24/7 email support via the product detail page or seller contact link.

• Follow included instructions to power down, remove screws, and disconnect the old pack
• Use supplied tools to avoid damage and align contacts carefully before tightening
• Contact BOWEIRUI support any time through the seller page or email for troubleshooting

Who is this for: This replacement battery is aimed at Lenovo IdeaPad owners who need a cost-effective, direct-fit battery to restore laptop mobility — ideal for students, remote workers, and anyone who relies on a 14" or 15" S340/C340/Flex machine and prefers a DIY swap over factory service. It’s also suitable for technicians stocking common replacement packs for repair services.