00HW028 Replacement Battery for ThinkPad X1 Carbon 4th Gen - Reliable

In this review the reviewer looks at the 00HW028 replacement battery intended for the Lenovo ThinkPad X1 Carbon 4th Gen and X1 Yoga Gen1/Gen2 series. The bottom line is that this battery is a practical, no-frills replacement for users who need to restore portable runtime quickly and affordably; it is best for owners of the specified 2016 and 2017 models who want a direct-fit, higher-capacity Li-ion swap without changing chargers or adapters. Installation is straightforward and the included tool kit makes the swap accessible to anyone comfortable opening a laptop.

Key Features

• Compatibility: Designed to replace several OEM part numbers so it fits the ThinkPad X1 Carbon 4th Gen and X1 Yoga Gen1 and Gen2 models exactly.
• Capacity and Voltage: Rated at 52 Wh and 15.2 V which provides a full replacement capacity matching the original battery spec for sustained use.
• Battery Type: Uses Li-ion cells for consistent discharge behavior and compatibility with the laptops power management.
• Durability: Manufacturer notes up to 1000+ recharge cycles over the life of the battery, which suggests a long usable lifespan under normal charging habits.
• Included Accessories: Arrives with a small installation tool kit and instructions, making the physical replacement faster and reducing the need to buy tools separately.
• Packaging: Packaged with protective sponge or bubble wrap to prevent damage during shipment, helping ensure the unit arrives ready to install.

Who It's For

This battery is aimed at owners of the Lenovo ThinkPad X1 Carbon 4th Gen (2016) and ThinkPad X1 Yoga 1st and 2nd Gen (2016 and 2017) who need a direct replacement that matches the original specs. It is a good fit for professionals, students, or technicians who prefer to replace a worn original battery themselves and value a full accessory kit for installation.

It is not suitable for owners of other X1 Carbon or X1 Yoga generations (Gen1/Gen2/Gen3/Gen5-7 or Yoga Gen3/Gen4) so those users should look for a model specifically listed for their generation. Users who need manufacturer warranty parity or official branded parts may prefer an authorized Lenovo battery instead.

Pros & Cons

Pros

• Direct-fit replacement for multiple part numbers, simplifying compatibility concerns for listed models.
• Includes installation tools and instructions so replacement can be completed at home in under 10 minutes by many users.
• Li-ion chemistry and a 52 Wh capacity restore expected run times for typical productivity work.
• Packaged to reduce shipping damage risk and described as 100% new grade A cells.

Cons

• Some users report mixed battery life behavior after installation, so individual unit longevity can vary.
• Not compatible with many other X1 Carbon and Yoga generations, so careful model checking is required before purchase.

Specifications

Battery Model	00HW028
Voltage	15.2 V
Capacity	52 Wh / 3290 mAh
Cell Type	Li-ion
Compatible Models	ThinkPad X1 Carbon 4th Gen; X1 Yoga Gen1 & Gen2
Replacement Part Numbers	01AV458, 01AV439, SB10F46466 and others listed

Our Verdict

The 00HW028 replacement battery is a solid value for owners of the specified 2016 and 2017 X1 Carbon and X1 Yoga models who want a straightforward, direct-fit swap. With a matching 52 Wh capacity, Li-ion chemistry, and an included tool kit, it restores laptop portability at a reasonable cost; buyers should verify model compatibility and be aware that individual battery longevity reports vary.

Frequently Asked Questions

Will this battery fit my X1 Carbon?
It fits the X1 Carbon 4th Gen (2016) specifically; check your system model to confirm generation before buying.

Are tools included to replace the battery?
Yes, the package includes a small installation tool kit and instructions to assist with replacement.

How long will the battery last?
The battery is rated for up to 1000+ recharge cycles in its life, but some users report mixed real-world charging longevity, so results may vary.