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3S 11.1V 300mAh 30C LiPo Battery: RCY

3S 11.1V 300mAh 30C LiPo Battery: RCY


  • Brand:Spektrum
  • Product Code:SPMX3003SJ30
  • Availability:Availability on request

Prices are intentionally not displayed on the site. Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Quote quantity Choose the requested quantity, select options/variants if available, and add the item to one combined quote request.

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Why choose 3S 11.1V 300mAh 30C LiPo Battery: RCY through RC-MODEL?

3S 11.1V 300mAh 30C LiPo Battery: RCY is an RC product from Spektrum. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.

Fit and use

3S 11.1V 300mAh 30C LiPo Battery: RCY fits customers looking for Spektrum items in Spektrum Catalog, Spektrum Batteries, Spektrum Aircraft Electronics, with RC-MODEL support for choosing the right configuration.

  • Relevant category: Spektrum Catalog, Spektrum Batteries, Spektrum Aircraft Electronics
  • Product identification for inquiry: model SPMX3003SJ30 / SKU SPMX3003SJ30

Key details

  • Battery Type: LiPo (3.7V per cell)
  • Battery Voltage: 11.1V
  • Number of Cells: 3
  • Product Height: 0.7" (18 mm)
  • Product Length: 1.65" (42 mm)
  • Product Weight: 24.5g

Before ordering

  • Confirm dimensions, power system, radio compatibility or material size before purchase.
  • Ask us to match required accessories, adhesives, hardware, batteries or replacement parts.
  • RC-MODEL helps with fit checks, availability, compatible accessories and a formal quote in Israel.

3S 11.1V 300mAh 30C LiPo Battery: RCY is a Spektrum product intended for aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.

The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.

Key Advantages

  • Organized under the Spektrum Smart battery range.
  • Intended for aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter.
  • Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
  • Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
  • Spektrum Smart compatibility is highlighted where relevant for batteries, chargers, ESCs or telemetry-aware systems.

Core Specifications

  • Manufacturer: Spektrum
  • Brand: Spektrum
  • Product Code: SPMX3003SJ30
  • Product Family: Spektrum Smart battery range
  • Application: UMX 3S airplanes
  • Compatibility Focus: Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
  • Spektrum Category: Airplanes / Parts, Electronics & Accessories / Batteries
  • Capacity: 300mAh
  • Battery Type: LiPo (3.7V per cell)
  • Battery Voltage: 11.1V
  • Connector Type: JST-RCY
  • Discharge Lead Length: 2" (51 mm)
  • Maximum Burst Discharge Rate: 30C
  • Maximum Charge Rate: 0.9 Amps (3C)
Relevant RC Academy guides

Learn before you buy

These guides explain the setup, safety checks and accessory choices that usually matter for this product type.

Technical Specifications
Manufacturer Spektrum
Brand Spektrum
Product Code SPMX3003SJ30
Spektrum Category Airplanes / Parts, Electronics & Accessories / Batteries
Connector Type JST-RCY
Product Family Spektrum Smart battery range
Application UMX 3S airplanes
Compatibility Focus Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
Battery Type LiPo (3.7V per cell)
Battery Voltage 11.1V
Number of Cells 3
Product Height 0.7" (18 mm)
Product Length 1.65" (42 mm)
Product Weight 24.5g
Product Width 0.74" (19 mm)
Maximum Charge Rate 0.9 Amps (3C)
Maximum Continuous Discharge Rate 30C
Capacity 300mAh
Maximum Burst Discharge Rate 30C
Maximum Continuous Discharge Current 9 Amps
Discharge Lead Length 2" (51 mm)

Tags: Spektrum, SPMX3003SJ30, Spektrum Smart battery range, Spektrum Catalog, Spektrum Batteries, Spektrum Aircraft Electronics, RC-MODEL