2 Cell 4000mAh 7.4v LiPo Rx Battery
The Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery delivers high-capacity performance for extended RC airplane and helicopter flights. Designed as a superior alternative to traditional receiver packs, this 7.4V LiPo receiver battery provides steady power to your servos and control systems. Its pre-installed EC3 battery connector ensures quick, hassle-free recharges at the flying field.
Upgrade your aircraft's radio system with the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery, built specifically to meet the high demands of modern RC models. Featuring a massive 4000mAh capacity in a compact 2S1P rectangular configuration, this Spektrum RC battery minimizes downtime by eliminating frequent recharges between flights. Outfitted with durable 16AWG wiring, a standard receiver plug, and a main EC3 connector, it offers seamless installation and effortless balance charging. Experience dependable voltage stability and lighter weight compared to legacy NiMH battery packs, giving your high-voltage servos the steady power required for top-tier control.
What battery charger should I use with the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery?
You should use a dedicated LiPo balance charger equipped with an EC3 connector or appropriate charging adapter to balance and charge the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery safely.
Do I need a voltage regulator with the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery?
If your receiver and servos are rated for High Voltage (HV) operation up to 8.4V, you can plug the battery in directly. If using standard 6.0V servos, a voltage regulator (UBEC) is required to prevent component damage.
How long will the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery last on a single charge?
Depending on servo current draw and flight duration, the 4000mAh capacity of the Spektrum 2 Cell 4000mAh 7.4v LiPo Rx Battery typically provides enough power for a full day of flying without needing field recharges.










