GHU ThinkPad 44+ 58Wh Battery for Lenovo X220/X230

GHU's 58Wh ThinkPad 44+ replacement battery delivers extended runtime for compatible Lenovo X220/X230 series laptops in a single, high-capacity unit.

Whether your original battery no longer holds charge or you need a dependable spare, this GHU replacement is built to match OEM fit and function for a range of ThinkPad X220/X230 models and listed part numbers. Engineered for safety and cycle longevity, it restores mobility to older ThinkPads while maintaining compatibility with the machine’s battery reporting and charging systems.

What Lenovo models and part numbers does this battery work with?

This battery is designed specifically for ThinkPad X220 and X230 family laptops and compatible variants (X220i, X230i, X220s). It supports many OEM part numbers so you can replace exact legacy SKUs without guesswork.

• Common compatible part numbers: 0A36306, 0A36307, 0A36305, 45N1019, 45N1023, 45N1025, 42T4863.
• Fits models: Lenovo ThinkPad X220, X220i, X220s, X230, X230i.
• Works as a 44+ / 58Wh higher-capacity option for longer runtime than standard packs.

How long will the GHU 58Wh battery last and how many charging cycles can I expect?

The GHU 58Wh pack is rated for approximately 500 charge-discharge cycles under normal use, which translates to multiple years of practical service for many users. Actual lifespan varies with workload, temperature, and charge habits.

• Nominal capacity: 58Wh (higher than many original lower-capacity replacements).
• Estimated cycle life: around 500 full cycles before notable capacity loss.
• Improved runtime for productivity tasks vs original smaller cells.

Is this battery safe and will it charge properly in my ThinkPad?

GHU batteries undergo safety testing and are built to meet common certifications so they charge, report status, and operate safely within the laptop’s power-management system. They include protections against overcharge, short circuit, and thermal events.

• Safety standards: CE/FCC/UL-tested components and manufacturing practices.
• Integrated protection circuitry for safe charging and discharge behavior.
• Designed to work with Lenovo’s battery status reporting and charging thresholds.

How easy is installation and what should I check before buying?

Installation is straightforward: power down the laptop, remove the original pack, and slide the GHU battery into the bay until it clicks into place. Before purchasing, verify your laptop’s model and the existing battery part number to ensure a match.

• Installation: no tools typically required—user-replaceable bay design.
• Pre-purchase check: confirm model (X220/X230 series) and OEM part number compatibility.
• Return policy: risk-free returns if the battery doesn’t meet expectations.

Who is this for? This replacement battery is for owners of Lenovo ThinkPad X220/X230 laptops who need a reliable, higher-capacity power pack to restore mobility—students, field technicians, remote workers, or anyone maintaining older ThinkPad hardware. It’s also a practical choice for refurbishers and IT departments that need consistent, tested replacement batteries compatible with legacy Lenovo part numbers.