Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

Lenovo Yoga C740 14 Replacement Battery 7.72V 6500mAh

Up to 19% off
New arrival
From $80.99 USD $99.99
Shipping calculated at checkout.
Fits Lenovo Yoga C740 14 and C740-14IML; replaces OEM part 5B10U40209, 5B10U40210, 5B10W67185, 5B10W67296, L18L4PE0, L18M4PE0, SB10W67235, SB10W67368.
7.72V, 6500mAh (50.18Wh) Li-Polymer cell matches OEM output and sustains full-load demand through CPU and display peaks.
Connector inserts flush into the Yoga C740 battery slot; single locking tab seats when cell clicks fully into the chassis latch.
We bench-tested this pack at 7.4V resting voltage with clean BMS handshake on first insertion; no fault codes reported during discharge cycles.
After installation, run one complete discharge to auto-shutdown then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears the false "poor health" warning that appears after every cell swap.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
WECARE5

Please Confirm Delivery Timeline

Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
4.8
★★★★★
★★★★★
Average Customer Rating
By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 12 reviews

I'm writing this review to express my deep gratitude and appreciation for the quality of services provided to me by the BatteryWeb service team. I visited BatteryWeb to purchase a replacement battery for my Remington R9 razor. The staff was very responsive and I was really impressed with their willingness to help me and make the purchasing process as quick as possible. In particular I greatly appreciate the work of staff member Shane who was friendly and helpful.
In conclusion, I believe that BatteryWeb has excellent service staff who make their customers feel honored and valued.
I wish you all the best.
Sincerely,
Michael

Michael Talianker
BatteryWeb

this battery was just what I needed.

Robert Jones
BatteryWeb

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

Great deal for the money.

Linda M.
BatteryWeb

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.72V

Amp

6500mAh

Lenovo Yoga C740-14IML — 7.72V Li-Polymer Replacement Battery (L18M4PE0)

This 7.72V, 6500mAh (50.18Wh) Li-Polymer cell replaces the original battery in the Lenovo Yoga C740 14 and Yoga C740-14IML convertible notebooks. It crosses to OEM part numbers L18L4PE0, L18M4PE0, 5B10U40209, 5B10U40210, 5B10W67185, 5B10W67296, SB10W67235, and SB10W67368. The connector layout and BMS handshake match the factory spec for this 2-in-1 platform.

  • Yoga C740 14 and C740-14IML compatibility: Both models run the same 7.72V battery rail, share the same connector pinout, and use the same BMS communication protocol — which is why one cell covers the full C740 14 lineup.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a C740-14IML unit. The BMS accepted the new cell without fault codes, reported state-of-charge correctly after calibration cycles, and held voltage stable under combined CPU and display load.
  • Post-install calibration on the C740: After fitting this cell, run one full discharge until the laptop hibernates, then charge uninterrupted to 100%. This forces the Lenovo BIOS battery learn cycle to reset against the new cell and clears the inaccurate health warning that appears after every cell swap on this platform.

BIOS reporting poor battery health immediately after replacement on the C740

The Lenovo BIOS stores battery health data from the previous cell in its EEPROM. When a new cell goes in, the BIOS compares current readings against that stored baseline and flags a mismatch as poor health — even though the new cell is fine. This is not a fault with the replacement; it is a calibration state. Run one full discharge-to-hibernate cycle followed by a complete uninterrupted charge. After two to three cycles, the BIOS rewrites the EEPROM data against the new cell and the warning clears.

Yoga C740 shutting down at 20–30% charge shown on screen

This happens when the fuel gauge IC has not yet calibrated against the new cell's voltage curve. The IC uses the old cell's curve to estimate remaining charge, so the displayed percentage does not match actual cell voltage — the laptop hits the hardware low-voltage cutoff while the OS still shows 20–30%. It is not a faulty cell. Complete two full discharge-to-hibernate and charge-to-100% cycles. After that, the fuel gauge recalibrates and the cutoff aligns with the displayed percentage; the shutdown will occur at or below 5%.

Compatible Models

Yoga C740 14 Yoga C740-14IML

Replaces Part Numbers

5B10U40209 5B10U40210 5B10W67185 5B10W67296 L18L4PE0 L18M4PE0 SB10W67235 SB10W67368

Technical Specifications

Voltage7.72V
Amp Hours6500mAh
Capacity6500mAh
Rate50.18Wh
Net Weight192.5g /6.79 oz
Gross Weight452.5g /15.96 oz
Approximate Weight452.5g /15.96 oz
Dimension 258.24 x 92.70 x 4.54mm

Product Highlights

  • Brand: Lenovo
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

Windows showing my Lenovo Yoga C740 battery as "0% available (plugged in, not charging)" right after fitting the new cell — what's wrong?

The Lenovo power management driver sometimes locks charge control when it detects a new cell with no EEPROM history, holding it at 0% until a reset. Shut down completely, disconnect the AC adapter, hold the power button for 15 seconds to drain residual power, then reconnect AC and boot. If the issue persists, open Lenovo Vantage, navigate to Power, and disable then re-enable the Battery Charge Threshold setting — this forces the charge controller to re-initialise against the new cell.

System info on my C740 is showing the wrong Wh rating — 45Wh instead of 50Wh — after the swap. Is the battery undersized?

The Wh figure shown in Windows Device Manager or Lenovo Vantage pulls from the EEPROM on the old cell's last recorded data, not from the physical cell now installed. The replacement cell is 50.18Wh as rated. After one full discharge-to-hibernate cycle and a complete charge to 100%, the BIOS rewrites the stored value and the correct Wh rating appears in system info.

My C740 charge stops at 80% and won't go higher — is this a fault with the replacement cell?

No. Lenovo BIOS on the C740 platform includes a firmware-controlled charge limit that caps charging at 80% when the Conservation Mode setting is active. This is a BIOS function, not a battery fault. Open Lenovo Vantage, go to Power → Battery Settings, and switch from Conservation Mode to Normal Mode — the cell will then charge to 100%.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

Lenovo Yoga C740 14 Replacement Battery, 7.72V, 6500mAh, Li-Polymer 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections