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6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3

6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3


  • Brand:Spektrum
  • Product Code:SPMB4000LFRX
  • Availability:Availability on request

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Why choose 6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3 through RC-MODEL?

6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3 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

6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3 fits customers looking for Spektrum items in Spektrum Catalog, Spektrum Batteries, with RC-MODEL support for choosing the right configuration.

  • Relevant category: Spektrum Catalog, Spektrum Batteries
  • Product identification for inquiry: model SPMB4000LFRX / SKU SPMB4000LFRX

Key details

  • Application: Receiver Pack
  • Battery Type: LiFe (3.3V per cell)
  • Battery Voltage: 6.6V
  • Product Height: 1.54 in (39mm)
  • Product Length: 2.87 in (73mm)
  • Product Weight: 235 g (8.2 oz)

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.

6.6V 4000mAh 2S LiFe Receiver Battery: Universal Receiver, EC3 is a Spektrum product intended for matching RC power packs to compatible Spektrum Smart-capable models, chargers and field equipment. 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 receiver and radio-link range.
  • Intended for matching RC power packs to compatible Spektrum Smart-capable models, chargers and field equipment.
  • Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering.
  • Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.

Core Specifications

  • Manufacturer: Spektrum
  • Brand: Spektrum
  • Product Code: SPMB4000LFRX
  • Product Family: Spektrum receiver and radio-link range
  • Application: Receiver Pack
  • Compatibility Focus: Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering.
  • Spektrum Category: Radios / Accessories / Batteries
  • Capacity: 4000mAh
  • Balance Lead Length: 1.97 in (50mm)
  • Battery Balance Connector: JST_XH
  • Battery Type: LiFe (3.3V per cell)
  • Battery Voltage: 6.6V
  • Connector Type: EC3
  • Discharge Lead Length: 5.91 in (150mm)
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 SPMB4000LFRX
Spektrum Category Radios / Accessories / Batteries
Connector Type EC3
Product Family Spektrum receiver and radio-link range
Application Receiver Pack
Compatibility Focus Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering.
Battery Type LiFe (3.3V per cell)
Battery Voltage 6.6V
Product Height 1.54 in (39mm)
Product Length 2.87 in (73mm)
Product Weight 235 g (8.2 oz)
Product Width 1.89 in (48mm)
Wire Gauge 16 AWG
Battery Balance Connector JST_XH
Maximum Continuous Discharge Rate 20C
Watt Hours 26.4 Wh
Capacity 4000mAh
Normal/Standard Charge Current 800mA
Normal/Standard Charge Rate 1C
Maximum Charge Current 4.0A
Balance Lead Length 1.97 in (50mm)
Discharge Lead Length 5.91 in (150mm)

Tags: Spektrum, SPMB4000LFRX, Spektrum receiver and radio-link range, Spektrum Catalog, Spektrum Batteries, RC-MODEL