Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
7.4V 4000mAh 2S LiPo Receiver Battery: Universal Receiver, EC3
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Why choose 7.4V 4000mAh 2S LiPo Receiver Battery: Universal Receiver, EC3 through RC-MODEL?
7.4V 4000mAh 2S LiPo 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
7.4V 4000mAh 2S LiPo 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 SPMB4000LPRX / SKU SPMB4000LPRX
Key details
- Battery Voltage: 7.4V
- Number of Cells: 2
- Product Height: 1.14 in (29mm)
- Product Length: 2.74 in (69.5mm)
- Product Weight: 7.1 oz (200 g)
- Product Width: 1.86 in (47.25mm)
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.
7.4V 4000mAh 2S LiPo 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: SPMB4000LPRX
- Product Family: Spektrum receiver and radio-link range
- Application: Receiver
- 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: 7.5cm
- Battery Balance Connector: JST_XH
- Battery Voltage: 7.4V
- Charge Protection Circuitry: No
- Connector Type: EC3
- Discharge Lead Length: 22cm
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.
How to bind an RC transmitter and receiver
A practical binding guide for matching protocol, bind mode, receiver power, model memory, control checks and common binding mistakes.
How to set failsafe correctly on an RC aircraft
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMB4000LPRX |
| Spektrum Category | Radios / Accessories / Batteries |
| Connector Type | EC3 |
| Product Family | Spektrum receiver and radio-link range |
| Application | Receiver |
| Compatibility Focus | Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering. |
| Battery Voltage | 7.4V |
| Number of Cells | 2 |
| Product Height | 1.14 in (29mm) |
| Product Length | 2.74 in (69.5mm) |
| Product Weight | 7.1 oz (200 g) |
| Product Width | 1.86 in (47.25mm) |
| Wire Gauge | 16 AWG |
| Battery Balance Connector | JST_XH |
| Hard Case | No |
| Maximum Charge Rate | 3C |
| Maximum Continuous Discharge Rate | 15C |
| Watt Hours | 29.6Wh |
| Capacity | 4000mAh |
| Charge Protection Circuitry | No |
| Normal/Standard Charge Current | 4 |
| Normal/Standard Charge Rate | 1C |
| Maximum Charge Current | 12A |
| Balance Lead Length | 7.5cm |
| Discharge Lead Length | 22cm |
Tags: Spektrum, SPMB4000LPRX, Spektrum receiver and radio-link range, Spektrum Catalog, Spektrum Batteries, RC-MODEL