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　As multirotor UAVs continue to evolve toward higher-altitude stability, longer flight time, and faster performance, system-level demands for thrust, endurance, and power density keep rising. Under this trend, the power connectors linking the central battery to the motor drive system are no longer just passive components—they have become critical nodes that directly determine overall UAV performance an

　Within the UAV Power Mana, them ( Battery→ PDB→ Electronic Speed Controller→ Motor) is the core energy-triggering pathway.

　At the very front end of this chain, the main battery power connector and its wire harness must withstand high current, rapid transient load changes, and long-term vibration. If connector or harness design is insufficient, issues such as voltage drop, heat accumulation, and unstable contact may occur—ultimately reducing main power-chain efficiency, degrading ESC drive performance, lowering motor thrust output, and accelerating battery and system wear.

 Built on deep insight into the UAV supply chain, Nextron introduces the Mini Series, designed around high current capability, high stability, and a lightweight structure. By reducing the need for redundant power design, the Mini Series helps customers build efficient, safe, and mass-producible UAV power system architectures.

Why Are Connectors Between the Battery and Motor So Critical?

1. Power ceiling: Insufficient connector capability limits the actual output of the ESC and motor.
2. Endurance & efficiency: High contact resistance leads to voltage drop and energy loss.
3. Flight stability: Unstable contacts can cause ESC malfunction and thrust fluctuations.
4. System lifetime & safety: Arcing during insertion/removal, overheating, or looseness may result in system damage.

The Mini Series is engineered precisely to address these challenges, purpose-built for stable and reliable connections between the UAV main power source and motor drive systems.

Mini Series Application Scenarios

1.      Aerial photography & imaging
2.     Inspection & mapping
3.     Small to mid-size logistics UAVs

1. High Current Rating

·         Supports 30A / 60A current requirements

·        Low contact resistance (≤ 2 mΩ) effectively reduces heat generation and voltage drop

·        Improves overall energy conversion efficiency and extends flight time

·        Suitable for high-thrust motors and high C-rate battery systems

2. Lightweight & Anti-Vibration Design

·         Housing made of high-strength, heat-resistant engineering plastic

·         Structure optimized for vibration resistance in long-duration flight conditions

·         Maintains stable contact quality to ensure continuous power delivery

3. Safety & Foolproof Design

·         Keyed structure prevents incorrect mating, reducing assembly and maintenance risks

·         Mitigates inrush current impact at power-on, protecting ESC and battery lifespan

·         Especially suitable for main battery power line applications

4. System Integration Ready

Customized module and harness integration to meet UAV mechanical and system requirements：

·         Wire integration (crimped or soldered versions)

·         Modular power harnesses (PDB / ESC / Motor harness)

·         Customized mating orientation and mounting bases

Features

Mechanical Specifications:

l   Mating/Un-mating Force: 40N Max;

l   Contacts Retention Force : 10N Min. (After Potting)

l   Endurance: 30 Mating Cycles,

l   Vibration: Frequency Range 10~55Hz;

l   Shock Resistance: Peak Acceleration 30g;

Electrical Specifications:

l   Dielectric Withstanding Voltage: 300V DC;

l   Contact Resistance: ≤ 2mΩ;

l   Insulation Resistance: ≥ 100MΩ;

l   Rated Current: 20A; per pin

l   Rated Voltage: 48V;

l   AWG: AWG14(Max)

Environment Specifications:

l  Operation Temperature: -40°C to +125°C;

l  Thermal Shock: -40°C to +85°C