Description

🚚 Fast Overseas Warehouse Delivery (3-7 Business Days)
Orders are dispatched directly from local overseas warehouses with an estimated delivery time of 3-7 business days. Please ensure you choose the matching warehouse option for your delivery destination:
- UK Warehouse: Ships to United Kingdom only.
- USA Warehouse: Ships to United States only.
- Canada Warehouse: Ships to Canada only.
- Japan Warehouse: Ships to Japan only.
- Europe Warehouse: Ships only to: Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden.
Massive 8400mAh Capacity & Explosive 140C Power for 1:8 & 1:10 RC Vehicles
Engineered for high-demand RC bashers and racers who refuse to compromise on run time and throttle punch, the DXF 4S 14.8V 8400mAh 140C Graphene Hardcase LiPo battery delivers exceptional energy density, rock-solid voltage stability, and rugged crash resistance. Built with premium Grade A graphene-enhanced cells, automatic cell-stacking technology, and a pre-installed heavy-duty XT90 connector, it supplies the relentless torque and endurance needed to push your vehicles to the absolute limit.
🎥 Watch DXF Batteries in Action:
Key Features:
- Ultra-High 8400mAh Capacity: Enjoy marathon running times on the track or trail without the hassle of constant battery swaps.
- Explosive 140C Discharge Rate: High-rate discharge delivers instant throttle response, blisteringly fast straightaway punch, and minimal voltage sag under heavy load.
- Rugged Impact-Resistant Hardcase: Built with high-impact composite casing to shield internal cells against aggressive crashes, rollovers, and track debris.
- True 4S 14.8V Power: 4-cell series configuration provides high-voltage efficiency and cooler running temperatures for your ESC and brushless motor.
- Pre-Installed Genuine XT90 Connector: Fitted with low-resistance, gold-plated XT90 plug for spark-resistant, high-current power transfer.
- Universal JST-XH Balance Lead: Standard multi-cell balance connector ensures safe, accurate balancing and cell monitoring.
Specifications:
- Model: DXF 8400 4S Hardcase 140C
- Capacity: 8400mAh
- Voltage: 14.8V (4S)
- Discharge Rate: 140C
- Form Factor: Impact-Resistant Hardcase
- Dimensions: 138×46×50mm (5.43×1.81×1.97 in)
- Weight: ~632g per pack
- Output Connector: XT90 Plug (Pre-installed)
- Balance Connector: JST-XH
📦 Package Includes:
- DXF 4S 14.8V 8400mAh 140C Hardcase LiPo Battery with XT90 Plug (Quantity as selected: 1-Pack or 2-Pack)
- LiPo Battery Strap (Per pack)
- User Manual
🛡️ 180-Day Warranty & Customer Support:
We stand behind the quality and performance of DXF batteries. This product comes with a 180-Day Manufacturer Warranty against craftsmanship and material defects. If you have any questions or require support, our dedicated after-sales team is ready to assist you.
⚠️ Usage & Safety Guidelines (Battery Care):
- Proper Charging: Always use a professional LiPo balance charger. Never leave charging batteries unattended and always charge in a fireproof LiPo safety bag.
- Voltage Limits: Do not charge beyond 4.20V per cell and never discharge below 3.2V per cell to prevent permanent cell damage.
- Storage Voltage: When not in use for more than 48 hours, balance charge/discharge the pack to storage voltage (3.80V–3.85V per cell) and keep in a cool, dry place.
- Safe Handling: Keep away from flammable materials, moisture, and excessive heat. Do not puncture, drop, or short-circuit the battery terminals.
- Pre-Use Inspection: Inspect the battery case, wires, and connectors before each run to ensure they are in good condition.
⭐ Why Choose DXF? Power You Can Trust:
Experience the DXF difference where cutting-edge technology meets proven reliability. Trusted by thousands of RC enthusiasts worldwide:
- ✓ Premium Grade Cells: High-purity graphene-enhanced formula for superior power delivery, low internal resistance, and extended cycle life.
- ✓ Rigorous Quality Control: Every battery undergoes strict voltage, capacity, and impedance testing to ensure peak performance and safety.
- ✓ Certified Safety: RoHS & CE certified, built with impact-resistant hardcase protection for demanding environments.
- ✓ Global Local Warehouses: Fast 3-7 day shipping directly from our warehouses in the UK, USA, CA, JP, and EU.
- ✓ Professional Support: Dedicated customer service committed to providing top-tier RC power solutions.
Perfect For:
- 1:8 and 1:10 Scale RC Monster Trucks, Buggies, and Truggies (Traxxas, Arrma, HPI, Losi, Team Associated)
- Short Course Trucks, Stadium Trucks, and Rock Bouncers
- High-Demand Brushless RC Setups Requiring Long Runtime and Heavy Burst Power
- Custom 4S and Dual-Pack 8S RC Builds
📦 Multi-Pack Options:
Choose your pack size: Select your preferred quantity at checkout:
- 1-Pack: Perfect for testing or single vehicle use
- 2-Pack (Recommended): Best value! Keep one pack charged while you run for non-stop action
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Experience the DXF difference – where power meets precision.
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