Product Overview
The ZO04XL is a premium 6-cell 64Wh (4210mAh) Li-ion replacement battery designed specifically for HP ZBook Studio G3 and G4 mobile workstations. Engineered to sustain professional workloads including CAD, modeling, and rendering while restoring all-day portability. Replaces original part numbers including ZO04XL, 808396-421, and 808450-001. Built with Grade-A cells and integrated safety circuitry. Ships 100% brand new with a 1-year warranty.
Technical Specifications
| Standard Model | ZO04XL / 808396-421 / 808450-001 |
|---|---|
| Capacity | 64Wh / 4210mAh |
| Voltage | 15.2V |
| Battery Type | Li-ion Polymer |
| Condition | 100% Brand New Replacement |
| Warranty | 1 Year |
Replace Part Numbers
- ZO04XL
- 808396-421
- 808450-001
- HSTNN-LB6W
- HSTNN-C02C
- 808396-422
- 3ICP7/60/81
Compatible Laptop Models
- HP ZBook Studio G3 Series
- HP ZBook Studio G3 (V3W13UT)
- HP ZBook Studio G3 (T7W01ET)
- HP ZBook Studio G4 Series
- HP ZBook Studio G4-Y6K17EA
FAQ
Q: Is the ZO04XL compatible with the standard ZBook 15 G3?
A: No. The standard ZBook 15 G3 uses the VV09XL battery. The ZO04XL is designed exclusively for the thinner **Studio** version of the ZBook G3 and G4. Please verify your exact laptop model name.
Q: What cells are used in this replacement workstation battery?
A: We use high-quality Grade-A cells (sourced from Korea/Japan) to ensure the peak power delivery required by workstation graphics and high-performance processors.
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
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
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WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
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Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
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.