Fast Overseas Warehouse Delivery

Estimated delivery: 3-7 business days from our local warehouses.

• UK Warehouse: United Kingdom
• USA Warehouse: United States
• Canada Warehouse: Canada
• Japan Warehouse: Japan
• Europe Warehouse: Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Poland and other EU countries

Built for serious heavy-lift missions, the DXF 14S 51.8V 66000mAh 10C battery uses advanced semi-solid state cell technology to deliver huge energy density, low internal resistance and outstanding voltage retention under sustained load. Stable automatic stacking technology keeps single-cell capacity consistent, so your drone or UAV stays powerful and predictable deep into every flight. Housed in a lightweight Soft Case and wired with thick 10AWG silicone wire, it's available with your choice of XT60, EC5, TRX, Deans/T, XT90, XT90S, XT150 or Q8S connectors.

Watch DXF Batteries in Action

Key Features

• Semi-Solid State Technology: High energy density, low IR and stable voltage for long, efficient flights.
• 10C Continuous Discharge: Smooth, reliable power for heavy-lift drones and large RC platforms.
• Massive 66000mAh Capacity: Extended runtime for mapping, agriculture, cargo and endurance missions.
• Flexible Connectors: XT60 / EC5 / TRX / Deans-T / XT90 / XT90S / XT150 / Q8S with 10AWG silicone wire.
• Soft Case Design: Light and compact for maximum payload efficiency.
• Grade-A Cells: Consistent performance and long cycle life.
• Certified Safety: Complies with CE and RoHS standards.

Specifications

• Brand: DXF
• Series: Semi-Solid State
• Capacity: 66000mAh
• Voltage: 51.8V (14S1P)
• Discharge Rate: 10C
• Form Factor: Soft Case, 239 x 89 x 308 mm
• Weight: approx. 11578g
• Main Connector: XT60 / EC5 / TRX / Deans-T / XT90 / XT90S / XT150 / Q8S (selectable)
• Balance Connector: JST-XH
• Wire Gauge: 10AWG silicone wire
• Application: Heavy-lift drones, UAVs, agricultural drones, large RC cars, trucks and tanks

Package Includes

• DXF 14S 51.8V 66000mAh 10C Battery x 1-6 (based on selected pack)
• Battery Strap
• User Manual

180-Day Warranty & Customer Support

Every DXF battery is covered by a 180-day warranty against manufacturing defects. Our professional support team is ready to help with any questions before or after your purchase.

Usage & Safety Guidelines (Battery Care)

• Charging: Always use a LiPo balance charger in balance mode, and charge inside a LiPo safe bag. Never leave charging unattended.
• Voltage Limits: Max 4.20V per cell; never discharge below 3.2V per cell.
• Storage: Store at 3.80V-3.85V per cell in a cool, dry place away from corrosive gases.
• Safe Handling: Stop use if the surface exceeds 65°C and let it cool naturally. Avoid punctures, crashes and short circuits.
• Pre-Use Inspection: Check for swelling, damage or cell voltage differences over 0.03V before every use.

Why Choose DXF

• Advanced Cell Tech: Graphene and semi-solid state platforms for top performance.
• Strict QC: Every pack is tested before shipping.
• Certified Safety: CE and RoHS compliant.
• Global Warehouses: Fast local delivery in the UK, USA, Canada, Japan and Europe.
• Professional Support: Real hobby experts on hand to help.

Perfect For

• Heavy-lift multirotor drones and UAVs
• Agricultural and industrial drones
• Large-scale RC cars, trucks and tanks
• Large RC boats

Package Options

Choose from 1 to 6 packs. A single pack is perfect for getting started, while 2-6 packs let you rotate batteries, fly longer sessions and save more per unit.

Subscribe to our YouTube channel for reviews, tips and flight tests.
DXF POWER – Power Your Passion.

The DXF SEMI-SOLID 12S 44.4V 66000mAh 5C Soft Case LiPo Battery delivers ultra-high-capacity endurance power for compatible toy cars, toy boats, UAVs, large drones, aircraft models, and custom RC projects. The SEMI-SOLID platform supports dependable energy density and stable sustained output, while its massive 66000mAh capacity helps maximize mission operating time. Heavy-duty 8AWG high-flex silicone wire and eight selectable connector types make it easier to match compatible power systems.

Watch DXF Batteries in Action

Key Features

• SEMI-SOLID technology: Advanced battery construction for endurance-focused, high-capacity power systems
• 66000mAh ultra capacity: Extended runtime for aerial, marine, vehicle, and heavy RC applications
• 12S 44.4V platform: Ultra-high-voltage power for heavy-lift and extended-duty systems
• 5C discharge rate: Stable sustained output for long-duration operation
• Heavy-duty 8AWG silicone wire: Thick, flexible cable supports efficient high-current transfer
• Eight plug choices: XT60, EC5, TRX, Deans/T‑Plug, XT90, XT150, XT90S, or Q8S
• Grade-A cells: Selected for consistent voltage, capacity, and cycle performance

Specifications, Per Battery

• Brand: DXF POWER
• Technology: SEMI-SOLID battery platform
• Capacity: 66000mAh
• Voltage: 44.4V nominal
• Configuration: 12S
• Discharge Rate: 5C
• Form Factor: Soft case
• Dimensions: Approximately 230 × 89 × 264mm
• Weight: Approximately 9950g
• Wire Gauge: 8AWG high-flex silicone wire
• Main Connector Options: XT60, EC5, TRX, Deans/T‑Plug, XT90, XT150, XT90S, and Q8S
• Applications: Compatible hobby-grade toy cars, toy boats, UAVs, large drones, FPV platforms, aircraft models, helicopters, multirotors, trucks, tanks, buggies, truggies, and custom RC projects

Package Includes

• DXF SEMI-SOLID 12S 44.4V 66000mAh 5C battery with selected connector, quantity chosen from 1–6 packs
• Battery strap for each battery
• User manual and safety guide

Choose Your Ideal Power Bundle

• 1 Pack – Start Strong: One ultra-high-capacity battery for a compatible heavy-duty model, replacement, or custom build
• 2 Pack – Double Your Runtime: Keep one battery ready while the other cools or charges
• 3 Pack – Stay in Rotation: Run, cool, and charge in sequence for extended field sessions
• 4 Pack – Mission Ready: Support multiple flights, vehicles, boats, or compatible power systems
• 5 Pack – Endurance Power Set: Flexible charging with dependable reserve capacity
• 6 Pack – Maximum Runtime & Value: Built for professional operators, teams, clubs, and multi-model fleets

More packs provide longer operating time, fewer charging interruptions, and reliable backup power.

180-Day Warranty & Customer Support

Every battery is covered by a 180-day manufacturer warranty against defects in materials and workmanship. DXF support can assist with connector selection, compatibility, charging, storage, and care.

Usage & Safety Guidelines

• Use a professional charger that explicitly supports a 12S standard LiPo battery.
• Balance-charge in standard LiPo mode, use a fire-resistant battery bag, and never leave charging batteries unattended.
• Never charge above 4.20V per cell or discharge below 3.2V per cell.
• Store at approximately 3.80–3.85V per cell.
• Inspect the soft case, 8AWG wires, main connector, and balance lead before use.
• Do not use a swollen, punctured, overheated, or damaged battery.
• Secure the battery against movement and protect it from sharp edges, vibration, moisture, and excessive heat.
• Confirm voltage, dimensions, weight, connector, ESC, motor, charger, and current compatibility before ordering.

Why Choose DXF?

• SEMI-SOLID high-capacity battery technology
• 66000mAh ultra-endurance power
• Stable 5C output for long-duration operation
• Heavy-duty 8AWG high-flex silicone wire
• Eight connector options for broader compatibility
• Strict voltage, capacity, and internal-resistance testing
• Premium Grade-A cell selection
• Professional pre-sale and after-sale support

Perfect For

Designed for compatible hobby-grade toy cars, toy boats, heavy-lift UAVs, large multirotor drones, long-endurance aircraft models, helicopters, heavy RC trucks, tanks, buggies, truggies, and custom high-voltage power systems that can safely accommodate a large 12S 44.4V soft-case battery.

Go farther with DXF SEMI-SOLID high-capacity power. For product tests and setup guides, visit the DXF YouTube channel.

The DXF 6S 22.2V 66000mAh 5C Soft Case LiPo Battery delivers ultra-high-capacity endurance power for compatible toy cars, toy boats, UAVs, large drones, aircraft models, and custom RC projects. Designed for extended operating time and stable sustained voltage output, this high-capacity pack features heavy-duty 8AWG high-flex silicone wire and eight selectable connector types to easily match compatible power systems.

Watch DXF Batteries in Action

Key Features

• 66000mAh ultra capacity: Extended mission and runtime for aerial, marine, vehicle, and heavy RC applications
• 6S 22.2V platform: Dependable power output for compatible 6S systems
• 5C discharge rate: Stable sustained output for long-duration operation
• Heavy-duty 8AWG silicone wire: Thick, flexible cable supports efficient high-current transfer
• Eight plug choices: XT60, EC5, TRX, Deans/T‑Plug, XT90, XT150, XT90S, or Q8S
• Grade-A cells: Selected for consistent voltage, capacity, and cycle performance

Specifications, Per Battery

• Brand: DXF POWER
• Series: DXF High Capacity
• Capacity: 66000mAh
• Voltage: 22.2V nominal
• Configuration: 6S
• Discharge Rate: 5C
• Form Factor: Soft case
• Dimensions: Approximately 230 × 89 × 133mm
• Weight: Approximately 5110g
• Wire Gauge: 8AWG high-flex silicone wire
• Main Connector Options: XT60, EC5, TRX, Deans/T‑Plug, XT90, XT150, XT90S, and Q8S
• Applications: Compatible hobby-grade toy cars, toy boats, UAVs, large drones, FPV platforms, aircraft models, helicopters, multirotors, trucks, tanks, buggies, truggies, and custom RC projects

Package Includes

• DXF 6S 22.2V 66000mAh 5C battery with selected connector, quantity chosen from 1–6 packs
• Battery strap for each battery
• User manual and safety guide

Choose Your Ideal Power Bundle

• 1 Pack – Start Strong: One ultra-high-capacity battery for a compatible model, replacement, or custom build
• 2 Pack – Double Your Runtime: Keep one battery ready while the other cools or charges
• 3 Pack – Stay in Rotation: Run, cool, and charge in sequence for extended field sessions
• 4 Pack – Mission Ready: Support multiple flights, vehicles, boats, or compatible power systems
• 5 Pack – Endurance Power Set: Flexible charging with dependable reserve capacity
• 6 Pack – Maximum Runtime & Value: Built for professional operators, teams, clubs, and multi-model fleets

More packs provide longer operating time, fewer charging interruptions, and reliable backup power.

180-Day Warranty & Customer Support

Every battery is covered by a 180-day manufacturer warranty against defects in materials and workmanship. DXF support can assist with connector selection, compatibility, charging, storage, and care.

Usage & Safety Guidelines

• Use a professional charger that explicitly supports a 6S standard LiPo battery.
• Balance-charge in standard LiPo mode, use a fire-resistant battery bag, and never leave charging batteries unattended.
• Never charge above 4.20V per cell or discharge below 3.2V per cell.
• Store at approximately 3.80–3.85V per cell.
• Inspect the soft case, 8AWG wires, main connector, and balance lead before use.
• Do not use a swollen, punctured, overheated, or damaged battery.
• Secure the battery against movement and protect it from sharp edges, vibration, moisture, and excessive heat.
• Confirm voltage, dimensions, weight, connector, ESC, motor, charger, and current compatibility before ordering.

Why Choose DXF?

• High-capacity endurance-focused power
• Stable 5C output for long-duration operation
• Heavy-duty 8AWG high-flex silicone wire
• Eight connector options for broader compatibility
• Strict voltage, capacity, and internal-resistance testing
• Premium Grade-A cell selection
• Professional pre-sale and after-sale support

Perfect For

Designed for compatible hobby-grade toy cars, toy boats, long-endurance UAVs, large multirotor drones, FPV platforms, aircraft models, helicopters, heavy RC trucks, tanks, buggies, truggies, and custom power systems that can safely support a large 6S 22.2V soft-case battery.

Go farther with DXF high-capacity power. For product tests and setup guides, visit the DXF YouTube channel.