Product Overview
The GAG-J40 is a premium high-capacity 6200mAh / 94.24Wh Li-ion gaming replacement battery at 15.2V for Gigabyte Aero 14, Aero 15 and Aorus X7 gaming laptops. Engineered for gamers and content creators, it replaces part numbers GAG-J40, 4ICP4/77/128, 541387460003, 541387460005 and 541387460002. The advanced 4-cell design delivers stable power for extended gaming sessions, RTX-class workloads, video editing and streaming. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | GAG-J40 |
| Capacity | 6200mAh / 94.24Wh |
| Voltage | 15.2V |
| Battery Type | Li-ion |
| Cell | 4 Cells, made in China, high quality guarantee |
| Color | Black |
| Condition | Brand New Replacement Battery (1-Year Warranty) |
Replace Part Numbers
- GAG-J40
- 4ICP4/77/128
- 541387460003
- 541387460005
- 541387460002
Compatible Models
Gigabyte Aero Series
- Gigabyte Aero 14
- Gigabyte Aero 14-V7
- Gigabyte Aero 14-K7
- Gigabyte Aero 14 P64WV7-De325Tb
- Gigabyte Aero 14-P64WV6
- Gigabyte Aero 14-W-CF2
- Gigabyte Aero 15 Series
- Gigabyte Aero 15 (RTX 20 Series)
- Gigabyte Aero 15w
- Gigabyte Aero 15x
- Gigabyte Aero 15x V8
- Gigabyte Aero 15-x9-9rt5
Gigabyte Aorus Gaming Series
- Gigabyte Aorus X7 Dt V6
- Gigabyte Aorus X7 Dt V7
- Gigabyte Aorus X7 Dt V8
FAQ
Which Gigabyte laptops fit the GAG-J40 battery?
It is verified for the Gigabyte Aero 14 / Aero 15 series and the Aorus X7 DT V6 / V7 / V8 gaming laptops. Confirm the printed GAG-J40 or 4ICP4/77/128 code on your original battery before ordering.
Is 94.24Wh enough for gaming?
Yes — the 94.24Wh high-capacity pack supports hours of intensive gaming and content-creation workloads, including RTX 20-series graphics platforms.
Does it include safety protection?
Yes — overcharge protection, short-circuit protection, temperature control and voltage regulation keep your gaming hardware safe, backed by a 1-year warranty.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
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Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Google Pay
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Apple Pay
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Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.