72Wh/6.34Ah 45N1136 Replacement Battery for Lenovo ThinkPad X240 X250 T450 T440 T440s

Our brand-new Laptop Battery compatible with Lenovo 45N1136 is engineered to deliver long-lasting and stable performance. It is designed to meet rigorous standards, ensuring full compatibility with devices such as the Lenovo ThinkPad X240 X250 T450 T440 T440s. This battery comes with a one-year warranty and has passed essential safety certifications including CE, RoHS, and ISO9001. Choose our Lenovo 45N1136 battery for a power solution that combines quality, safety, and convenience. Invest in authentic performance and keep your Lenovo ThinkPad X240 X250 T450 T440 T440s running like new.

72Wh/6.34Ah 45N1136 Replacement Battery for Lenovo ThinkPad X240 X250 T450 T440 T440s

Product Specifications

Brand: Lenovo Laptop Battery

Battery Type: Li-ion

Battery Voltage: 11.22V/13.05V

Battery Capacity: 72Wh/6.34Ah

Warranty: 30 Days Money Back, 1 Year Warranty.

Over 500-800 times of charge and discharge.

Compatible Part Numbers:

• 45N1136

Compatible Models:

Lenovo T440S X240 T440 45N1136 45N1137 0C52862 45N1135

Lenovo ThinkPad X240 X250 T450 T440 T440s

Lenovo T440s T450s T460p T470p W550s X250 X260 T560 68+

As a professional manufacturer, we offer a 100% brand new Li-ion battery for Lenovo 45N1136, built with genuine Grade A cells to ensure high quality and stable performance. Certified by CE, ROHS, and MSDS, this battery delivers excellent discharge characteristics and supports over 500–800 charge cycles.

It is fully compatible with original Fujitsu equipment and features multiple built-in protections including over-charge, over-current, over-voltage, and short-circuit prevention. Designed with an advanced printed circuit board (PCB), it provides reliable and safe operation.

Backed by a one-year warranty, 30-day money-back guarantee, and 100% secure shopping assurance, we provide premium performance at a competitive price.

To ensure optimal performance and longevity of your Lenovo 45N1136 Battery, please adhere to the following guidelines:

1.Storage - Store the battery 45N1136 in a clean, dry, and cool environment, away from heat sources and metal objects. During storage, the battery will gradually self-discharge. It is recommended to store it at approximately 40% state of charge.

2.Charging and Discharging - Unlike older battery technologies, lithium-ion batteries do not require frequent full discharge cycles. Only perform a full discharge approximately every 30 charging cycles. Avoid charging the battery beyond its specified threshold voltage.

3.Regular Use - Avoid leaving the battery 45N1136 idle for extended periods. It is advisable to use the battery at least once every two to three weeks. If the battery has been unused for a long time, follow the initial break-in procedure as recommended for new batteries.

4.Calibration - If the battery indicator shows 76% or less during use, fully charge it, then fully discharge it, and finally recharge it completely to calibrate the battery level accuracy.

5.Usage on Fixed Power - Consider removing the battery from the laptop when using a fixed power source for extended periods to reduce unnecessary charging cycles.

6.Short-Circuit Prevention - Do not short-circuit the battery, as this can cause serious damage and compromise safety.

By following these practices, you can help maintain the performance and extend the life of your Lenovo 45N1136 Battery.