Unitree Go2 Battery Long Battery Life
Shipping within 72 hours
*Excluding pre-order items
- • EU & US Delivery: 10 working days
- • Other Countries: 15 working days
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Unitree Go2 Battery Long Battery Life
The Unitree Go2 Battery is a high-capacity, fast-charging power module engineered specifically for the Unitree Go2 quadruped robot. Built with high-performance lithium cells and Unitree’s self-developed advanced Battery Management System (BMS), it delivers stable, efficient, and long-endurance power output for demanding robotic tasks. Two versions are available — BT2-05 Standard and BT2-06 Long Battery Life — allowing users to choose the ideal runtime for research, inspection, outdoor robotics, and high-duty operations.





Features
- Long Battery Life Version (BT2-06) — Specifically designed for extended missions, outdoor tasks, and long-duration autonomous operation.
- High-Performance Lithium Cells — Ensures strong discharge capability and stable power delivery for dynamic robot movements and heavy processing loads.
- Unitree Self-Developed BMS — Provides intelligent monitoring, cell balancing, and multi-layer protection for enhanced safety and maximum battery lifespan.
- Fast Charging Support — Compatible with 3.5A–9A charging current, enabling rapid turnaround times between robotic missions.
- Eight-Layer Protection System — Comprehensive hardware and software safeguards against overcharge, over-discharge, short-circuit, and thermal issues.
- Precision-Engineered for Go2 — Guaranteed perfect mechanical and electrical compatibility with the Unitree Go2 robot platform.
Technical Specifications
| Category | Specification |
|---|---|
| Rated Voltage | DC 28.8V |
| Charge Limit Voltage | DC 33.6V |
| Charging Current | 3.5A – 9A |
| Rated Capacity | 15000mAh / 432Wh |
| Compliance Standards | IEC 62133-2 Certified |
| Dimensions | 120mm × 80mm × 182mm |
Eight-Layer Safety Protection
- Self-discharge protection — Maintains cell health during long-term storage.
- Balanced charging protection — Ensures all internal cells maintain voltage equilibrium.
- Overcharge protection — Prevents damage from excessive electrical input.
- Charging temperature protection — Monitors thermal levels to prevent overheating during power intake.
- Charging current protection — Safeguards the battery from electrical surges.
- Short-circuit protection — Instantly disconnects power in the event of an electrical fault.
- Over-discharge protection — Prevents deep discharge to maintain chemical stability.
- Load detection protection — Optimizes power output based on real-time robot consumption.
Applications
- Long-Duration Research Tasks — Provides reliable power for extended laboratory experiments and AI algorithm testing.
- Outdoor Robotics — Essential for autonomous navigation, environmental mapping, and complex terrain exploration.
- Industrial Automation — Supports high-duty cycles for industrial patrol, facility monitoring, and logistics automation.
- Entertainment & Demonstration — Ensures consistent runtime for shows, events, and interactive robotic displays.
Why Choose the Unitree Go2 Long Battery Life Version?
The BT2-06 Long Battery Life version provides significantly extended runtime compared to the standard model, making it ideal for mission-critical and outdoor applications. With high-capacity lithium cells, fast charging, and advanced BMS protection, it delivers dependable energy for the Unitree Go2 robot in both research and industrial environments. Its robust safety features and precise compatibility make it the most reliable power solution for long-endurance Go2 operations.
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
- Shipping addresses must be entered in English without special symbols to help the courier company recognize your address in the system. We will ship strictly according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
- Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
- We can ship all in-stock orders within 1 business day after your order has been confirmed.
- All items are inspected before dispatch and are carefully hand-packed.
- With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
🚀 Need Faster Shipping?
If you require expedited shipping (Express), please contact our customer support team at info@openelab.io for a customized quote tailored to your location.
2. Shipping Rates & Options
Our shipping rates are calculated based on the order value and destination. Please refer to the tables below for details.
2.1 Germany (Domestic)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0 - €50.00 | €4.95 | 2-4 Business Days |
| Deutsche Post | Over €50.00 | Free | 2-4 Business Days |
|
DHL Paket (Faster Delivery) |
€0 - €50.00 | €6.95 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
€50.00 - €100.00 | €2.00 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
Over €100.00 | Free | 1-3 Business Days |
2.2 European Union (EU)*
*Including:
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0 - €100.00 | €7.95 | 5-9 Business Days |
| Deutsche Post | Over €100.00 | Free | 5-9 Business Days |
|
DHL Paket (Faster Delivery) |
€0 - €100.00 | €15.95 | 3-7 Business Days |
|
DHL Paket (Faster Delivery) |
€100.00 - €250.00 | €7.95 | 3-7 Business Days |
|
DHL Paket (Faster Delivery) |
Over €250.00 | Free | 3-7 Business Days |
2.3 United States
| Region | Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|---|
|
Continental U.S. (50 States) |
USPS Ground Advantage | €0 - €45.00 | €5.95 | 3-7 Business Days |
| USPS Ground Advantage | Over €45.00 | Free | 3-7 Business Days | |
| USPS Priority Mail | €0 - €45.00 | €16.95 | 1-4 Business Days | |
| USPS Priority Mail | Over €45.00 | €14.95 | 1-4 Business Days | |
|
Non-Continental U.S. (AK, HI, PR, etc.) |
USPS Ground Advantage | €0 - €60.00 | €6.95 | 5-9 Business Days |
| USPS Ground Advantage | Over €60.00 | Free | 5-9 Business Days |
* The regions in the Non-Continental U.S. include: Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, and all U.S. Armed Forces addresses. The shipping and delivery to these areas are subject to the Non-Continental U.S. shipping rules.
2.4 International (Outside EU)
For specific international destinations, including Switzerland, United Kingdom, and Norway.
| Order Amount | Shipping Cost |
|---|---|
| €0 - €300.00 | €19.95 |
| Over €300.00 | Free |
Important Notice:
- Inventory Status: Please check the inventory status on the product page. Our system displays real-time stock for our Munich and Long Beach warehouses. If an item is out of stock in these locations, it will be marked as "Pre-order". You can still place an order for these items.
- Pre-order Fulfillment: For "Pre-order" items, we arrange the most efficient logistics solution to ensure you receive your goods as quickly as possible. Your package may be shipped directly from our Shenzhen warehouse. Alternatively, as part of our standard restocking process, we may transport the goods to our Munich or Long Beach warehouse first (typically taking 5-10 business days) before dispatching them to you.
- Split Shipments: If your order contains both in-stock and Pre-order items, we will prioritize shipping the in-stock items from the local warehouse immediately. The remaining Pre-order items will be sent to you in a separate shipment once they are ready.
3. International Warehouse
Our products are stored in our Munich, Long Beach, and Shenzhen warehouses to provide more flexible logistics solutions tailored to different regions and customer needs. On each product's description page, we indicate the specific warehouse location to help you better plan your purchase and delivery schedule.
3.1 German Warehouse
For products stored in our warehouse in Munich, we use either Deutsche Post or DHL for shipping, depending on the size of the package. Logistics within Germany are very efficient, with an estimated delivery time of 2-4 business days, ensuring you receive your order quickly and conveniently. For Western EU countries, the estimated delivery time is 4-6 business days. For Eastern EU countries, the estimated delivery time is 6-8 business days.
3.2 US Warehouse
For products stored in our warehouse in Long Beach, we use either USPS or UPS for shipping, depending on the size of the package. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days, ensuring you receive your order quickly and conveniently.
3.3 Chinese Warehouse
For Pre-order items or orders fulfilled directly from our Shenzhen warehouse, we utilize YunExpress for reliable international shipping. Given the complexities of international shipping, the estimated delivery time for these packages is around 10 business days, though this may vary slightly due to customs processes or other uncontrollable factors. Otherwise, products will be restocked to our Munich or US warehouses before final delivery, as detailed in the "Important Notice" above.
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
For EU Member States: Whether shipped from Germany or China, we cover all import duties and taxes (DDP), ensuring that you receive your package without any additional costs or hassle with customs.
For countries outside of the European Union, such as Switzerland and Norway, you may be subject to import duties, taxes, and/or customs fees charged upon delivery. These fees vary from country to country and are the sole responsibility of the recipient.
⚠️ Refusal of Delivery: If you refuse to pay these fees upon delivery and the package is returned to us, the refund amount will be calculated after deducting the original shipping costs, return shipping costs, and any applicable customs or storage fees.
4.2 How is VAT charged when the Customer places an order from OpenELAB?
In accordance with the newest VAT e-commerce rules in the EU, OpenELAB shall have the right to charge the amount of VAT at checkout. The standard rate of actual VAT applied is subject to the destination country's regulations. No additional VAT will be charged upon delivery for these orders.






