TREE.NB 76Wh C41N1837 Laptop Battery for ASUS ROG/TUF

TREE.NB's 76Wh C41N1837 is a direct replacement laptop battery designed to restore runtime for compatible ASUS ROG Zephyrus, TUF Dash F15, and ProART StudioBook 15 models.

If your gaming laptop or mobile workstation is losing runtime, this 76Wh replacement battery offers a high-capacity, tested alternative to the worn original. Built from grade-A cells and factory-tested with built-in circuit protection, the pack is made to meet the power and safety expectations of performance-oriented ASUS machines. It fits a wide range of part numbers and model series, providing a straightforward swap for users who need reliable battery life without replacing the whole laptop.

Which ASUS models and part numbers does this battery replace?

This battery is compatible with many ROG Zephyrus, TUF Dash F15, and ProART StudioBook models. It specifically replaces part numbers such as C41N1837 and OEM codes listed by ASUS, covering multiple GA, GU, GX, and GX532/GU532 series variants.

• Compatible part numbers: C41N1837, 0B200-03380100, 0B200-03380200, 0B200-03380300
• Zephyrus GA502, GA532 and GU502, GU532 model series supported
• Fits GX502/GX532 series and select GX502LXS/GX502LWS models
• Also compatible with TUF DASH F15 FX516PR/PM and ProART StudioBook 15 H500GV/W500GV lines

How long will this TREE.NB battery last and what are the safety features?

The 76Wh 4-cell battery is rated to deliver up to 500 full recharge cycles before notable capacity decline, giving months or years of restored runtime depending on use. It incorporates overcharge, overcurrent, and short-circuit protections to protect both the battery and the laptop during everyday use and charging.

• Battery capacity: 76Wh at 15.4V for extended on-battery operation
• Cell count: 4-cell configuration for balanced power delivery
• Lifecycle expectation: up to 500 recharge cycles
• Protection: built-in circuit safeguards against common electrical faults

Will this battery perform the same as the original ASUS unit?

TREE.NB supplies 100% new manufacturer-grade cells designed to match the performance profile of the original packs. While aftermarket batteries can show slight differences in discharge curves or charging speed, grade-A cells and factory testing help ensure reliable, consistent runtime close to OEM expectations.

• Grade A cells for efficient charging and lower power loss
• Factory-tested to verify capacity and electrical performance
• Engineered to fit and connect like the original C41N1837 unit
• 24/7 customer support for installation or compatibility questions

How easy is installation and what support is available if I need help?

Replacing this internal battery typically involves removing the laptop’s bottom cover and unplugging the old pack—procedures common to these ASUS models. TREE.NB offers round-the-clock email support and seller messaging for guidance, so you can get help quickly if you run into fitment or installation questions.

• Standard internal replacement—requires basic screwdriver and static precautions
• Follow model-specific teardown guides to avoid damage
• Contact TREE.NB via seller page or email for step-by-step assistance
• Customer service committed to prompt, professional responses

Who is this for: This replacement battery is aimed at gamers, content creators, and mobile professionals using compatible ASUS ROG Zephyrus, GX/GU series, TUF DASH F15, or ProART StudioBook 15 machines who need to regain unplugged runtime without buying a new laptop. It’s also suited to technicians and refurbishers seeking a tested, grade-A replacement pack with broad model coverage and factory-backed safety features.