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Castle Creations (CSE)
SKU:CSE010000400
10-Amp Adjustable BEC (CSE010000400)
10-Amp Adjustable BEC (CSE010000400)
The 10-Amp Adjustable BEC (battery eliminator circuit) powers the RC receiver and servos directly from the main motor battery, eliminating the need for a separate receiver battery. It draws power from high-current packs and regulates it to a safe voltage for the receiver and servos, making it ideal for setups with multiple servos or when using more than a 3S LiPo pack.
Peak output current is 10A, with continuous operation around 7A at 12V input and 5A at 24V input (ratings assume about 5 mph airflow). It accepts 5–25.2V input (2S–6S LiPo) and delivers 5.1V out of the box, adjustable from 4.8 to 9V. The unit measures roughly 1.2 inches long, 0.6 inches wide and 0.4 inches tall, weighing about 11 grams. Note that servo connectors are typically rated for 5A; for higher current needs, heavier connectors may be required.
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Parts List
Product Manual
Product Manual

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Overview
The 10-Amp Adjustable BEC (CSE010000400) is an essential component for hobbyists looking to optimize their energy supply in RC models. This Battery Eliminator Circuit efficiently eliminates the need for a separate battery for the receiver and servos by drawing higher voltage from motor batteries and reducing it to a level that's suitable for your receiver and servos.
This BEC is particularly advantageous in high-power applications, allowing usage with multiple servos or in setups employing more than 3S motor packs, since most electronic speed controllers (ESCs) with linear BECs are not designed to handle such demands. The current output peaks at 10 amps, ensuring reliable power delivery, while continuous ratings indicate that it can support up to 7 amps with a 12-volt input and 5 amps with a 24-volt input. Please note that these ratings are based on usage with a 5mph airflow over the BEC, and servo connectors are not rated for current exceeding 5 amps, so users should consider replacing the connectors if anticipating higher currents.
The output voltage starts at 5.1 volts out of the package but can be adjusted from 4.8 to 9 volts using the Castle Link (sold separately). It accepts an input voltage range from 5v to 25.2v, making it compatible with 2S to 6S LiPo batteries. This compact device measures 1.2” in length, 0.6” in width, and 0.4” in height, weighing only 0.4 oz. This makes it a lightweight and efficient addition to any RC setup.
Features
- Eliminates the need for a separate battery for the receiver and servos
- Peak current output of 10 amps
- Continuous current output: 7 amps at 12 volts input, 5 amps at 24 volts input
- Output voltage adjustable from 4.8 to 9 volts using Castle Link (sold separately)
- Initial output voltage of 5.1 volts out of the package
- Input voltage range of 5v to 25.2v (suitable for 2S to 6S LiPo batteries)
- Compact dimensions: 1.2” (length) x 0.6” (width) x 0.4” (height)
- Lightweight design at 0.4 oz (11 grams)
- Designed for high power applications with multiple servos
Needed to Complete
- Castle Link (sold separately)
Specifications
- Model Number: CSE010000400
- Current Output: Peak: 10 amps
- Continuous Output: 12 volts input = 7 amps, 24 volts input = 5 amps
- Output Voltage: 5.1 volts (adjustable from 4.8 to 9 volts using Castle Link)
- Input Voltage: 5v to 25.2v (2S to 6S LiPo)
- Length: 1.2 inches (30mm)
- Width: 0.6 inches (15mm)
- Height: 0.4 inches (10mm)
- Weight: 0.4 oz (11 grams)
- Application: Suitable for high power applications with multiple servos
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