ZTW Backup Capacitor 25F V1
Best safety insurance for RC pilots wanting reliable emergency power.
Ensure uninterrupted control of your RC aircraft with the ZTW Backup Capacitor V1. This essential component provides immediate backup power to your receiver during unexpected power failures, allowing for a safe landing. It boasts a 25 Farad capacitance and supports input voltages from 6-12V, delivering a robust 25A output. For added convenience, it offers dual control options via a switch or throttle signal. Weighing just 38g, this non-polarized supercapacitor is a lightweight yet critical addition for reliable RC aircraft operation.
$29.99
Owner Satisfaction
4.6
/ 5
Category Rank
185
/ 336
#185 in Capacitors
Price vs Category Average
-56%
Below average
Capacitance
25
/ F
Who it's for
- Professional pilots building high-power, high-demand drone setups
- Competitive racers needing consistent motor performance under heavy load
- Performance enthusiasts looking to extend their ESC hardware lifespan
Who should skip it
- Casual hobbyists flying low-power setups on a budget
- Weight-conscious builders working with compact or micro chassis
- Beginners uncomfortable with precise soldering and custom electronics
Performance breakdown
Power redundancy
Provides a critical safety net against sudden receiver power loss.
Current delivery
Robust 25A output handles demanding flight electronics with ease.
Weight efficiency
Minimal 38g footprint keeps your aircraft agile and balanced.
Control versatility
Dual switch or throttle signal options offer flexible installation setups.
Voltage compatibility
Wide 6-12V range supports most standard RC power configurations.
Build reliability
Non-polarized supercapacitor design ensures long-term durability in flight.
Key Specs
Capacitance
25F
Input Voltage
6-12V (max 13V)
Output Current
25A
Size
66x33x19mm
Weight
38g
Signal Wires Length
150mm
Dielectric Material
Supercapacitor
Polarity
Non-polarized
Features
- Prevents loss of control during power failure
- Enables safe aircraft landing
- Dual control via switch or throttle signal
- Provides immediate backup power
- High current output capability
- Lightweight and compact design
- Reliable performance for RC aircraft
What customers say
The ZTW Backup Capacitor is highly praised for its unwavering reliability. Users consistently report that it excels at stabilizing voltage, effectively eliminating frustrating brownouts and glitches during peak power demands. This high quality performance makes the capacitor a crucial upgrade. Customers appreciate the peace of mind it offers, confirming it is a valuable investment that delivers dependable power protection without complication. It provides essential stability and a worry free experience for users.
Know before you buy
This capacitor acts as an emergency power reserve for your RC aircraft's receiver. If your main power source fails during flight, it provides immediate backup power to help you maintain control and execute a safe landing.
The unit offers dual control options. You can trigger it manually using a physical switch or configure it to activate via a throttle signal from your transmitter.
The ZTW Backup Capacitor supports an input voltage range of 6-12V, with a maximum limit of 13V. Please verify that your receiver's power supply falls within this range before installation.
No, this is a non-polarized supercapacitor, which simplifies the wiring process as you do not need to worry about positive or negative orientation.
The unit is designed for performance RC use and weighs only 38 grams. Its compact 66x33x19mm footprint makes it easy to integrate into most aircraft builds without significantly impacting flight characteristics.
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$30