Spektrum 7.4V 4000mAh 2S 15C Smart LiPo Battery – Universal Receiver IC3/IC5 (SPMX40002SRX)

Meet the Spektrum Smart LiPo Battery

Power your RC setups with the Spektrum 7.4V 4000mAh 2S 15C Smart LiPo Receiver Battery. This pack blends solid capacity with intelligent charging features designed to simplify field maintenance while delivering reliable, steady power to a wide range of receivers and models.

Smart technology is at the core of this battery. A microchip stores unique parameters for each pack, and when you connect it to a Spektrum Smart charger, you’ll see those details uploaded automatically. This means you can tailor charging preferences with minimal setup, and start charging with a single tap, letting the charger apply the right profile for that battery every time.

As you race or relax with your model, the battery’s smart memory helps ensure you benefit from consistent performance across sessions. The next-generation IC3 or IC5 output connector is designed to be plug‑and‑play with older EC3 and EC5 systems, giving you flexibility to upgrade in stages without a full equipment swap.

What Makes It Smart

• Unique battery parameters automatically read by compatible Spektrum Smart chargers
• Automatic health and status details help inform your charging choice
• Factory-equipped with IC3/IC5 connectors for broad compatibility with EC3/EC5 setups
• Includes a standard servo connector discharge lead for added convenience

Real‑World Use and Convenience

Think of the daily routine at the field: you connect the pack, tap Start on a Spektrum Smart charger, and the system handles the rest. The 4000mAh capacity on a 2S configuration provides a dependable balance of runtime and weight for many sport and scale models. The smart discharge feature helps you store the battery safely between sessions, while the universal receiver compatibility supports a wide range of models and setups.

• Smart discharge helps keep packs in a safe state for storage or transport
• IC3/IC5 compatibility with EC3/EC5 ecosystems supports existing gear
• Compact, lightweight packaging suited for nimble RC planes, cars, boats, and more

Overall, this Spektrum pack offers a practical blend of power, intelligence, and adaptability. It’s designed to integrate smoothly with Spektrum's ecosystem while remaining usable with older hardware, helping you keep your rigs ready for action without extra fuss.