LiPo Battery TF ECO-X MTAG, 4S/4000mAh, 14.8V, 25C, Hacker, 140x43x26mm, 355g
As of April 2026 · Prices incl. VAT unless stated otherwise.
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LiPo Battery TF ECO-X MTAG, 4S/4000mAh, 14.8V, 25C, Hacker, 140x43x26mm, 355g
LiPo Battery TF ECO-X MTAG, 4S/4000mAh, 14.8V, 25C
140x43x22mm, 355g
Product Description and Features
ECO-X cells have been proven thousands of times over and strike the perfect balance between resilience, weight, and lifespan.
The battery is pre-soldered with the XT90-S connector system with anti-spark function. It is perfectly suited for tough everyday use.
Can be used in all flight or ship models as well as in the R/C car sector.
Connections
- XT90-S connector with gold contacts and anti-spark function, suitable for continuous loads up to 90 amps
- XH balancer connector
Safety when connecting
The XT90-S connector features an integrated anti-spark function that prevents sparking, e.g., when connecting to the ESC.
Internal chip for battery telemetry
Battery data such as type, cell count, capacity, C-rate, or battery ID are stored on the passive MTAG chip. These values can be read out with an external NFC sensor such as the HACKER or JETI MTAG and transferred to the transmitter telemetry if required*.
The built-in MTAG chip also offers the possibility to count and store charging cycles manually or automatically. When using several identical batteries in series or parallel operation, more effective active battery management becomes possible.
*Note: It is up to the user whether they want to use the MTAG function or not. The TopFuel battery can be used without MTAG like any ordinary battery.
Voltage Indicator Technology
The TopFuel battery comes with the proven Voltage Indicator Technology. At the touch of a button, the battery's charge status is displayed via four differently colored LEDs. The Voltage Indicator helps to correctly assess the battery's charge status at all times.
Optimized ex-works
The special manufacturing process, in which the batteries are compressed during filling, makes these cells up to 10 percent thinner and more robust than comparable cells with the same capacity and resilience.
An excerpt from our FAQ
How long is the processing time?
The processing time for orders where all items are in stock is a maximum of 24 hours. If products are missing from your order, we will immediately send you an order confirmation with a delivery date for the missing items.
Do you also ship internationally?
Of course, we also ship internationally. You can find more information under Shipping Methods.
How can I return it?
You can return purchased items within the statutory withdrawal period. You can find more information on this in the Widerrufsbelehrung (right of withdrawal policy).