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BMS 4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS 14.8V 16.8V
- Product Name: 4 string 14.8V 16.8V 40A lithium battery protection board
- Charging voltage: DC 16.8V~17V
- Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current)
- Continuous charging current: up to 20A
- Balance VersionProduct size: 45*60*4mm
- Enhance VersionProduct size: 44*55*4mm
- Applicable choice: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery
- (including 18650, 26650, polymer lithium battery), can be drilled below 170W
₨ 350 -
3S 60A BMS Li-ion Lithium Battery Charger Protection Board 18650 BMS 11.1V 12V
- 3S 12.6V 60A lithium battery protection board
- Scope: Suitable for lithium battery with 3.7V nominal voltage and 4.2V limited charge voltage. (includes 18650,26650, polymer lithium battery)
- Size:41*55*3.4mm(Enhanced version),41*62*3.4(Balanced version).
- Weight:8.8g(Enhanced version),9.8g(Balanced version).
- Charging voltage: 12.6V – 13.6V
- Continuous discharge current (upper limit): 60A (if the cooling environment is not good, please reduce the load current)
- Continuous charge current (upper limit): 15A
₨ 360 -
3S 12V 100A BMS Li-ion Lithium Battery Protection Circuit Board Li-polymer Balance Charging Module
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🔴 Massive 100A Capacity: Handles extreme over-discharge and over-charge currents.
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🟠 Precision Balancing: Integrated 60mA balance current keeps all cells synchronized.
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🟡 Triple-Mode Flexibility: Designed for 3S but easily adaptable for 4S and 5S setups.
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🟢 Smart Thermal Port: Includes a dedicated temperature control interface for heat safety.
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🔵 Instant Shortage Protect: Shuts down faults in a staggering 100-600 microseconds.
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🟣 High-Current Stability: Supports a steady 80A contact discharge for heavy loads.
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⚪ Intelligent Recovery: Features “Off-load release” mode to safely restore power after a trip.
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🟤 Disconnect Protection: Built-in safeguards against accidental wire disconnection.
- e.
₨ 595 -
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LM2596S DC-DC Constant Current Module LM2596 DC-DC 7V-35V Step-down Adjustable CC/CV Power Supply Module
- 100% brand new and high quality
- Type: DC/DC Constant Current / Constant Voltage
- Size: (L*W*H)4.80*2.40*1.4cm/1.89″*0.94″*0.55″
- Input Voltage: 5V-57V input voltage must be higher 2V than the output voltage
- Output Current: rated current 2.5A/ 3A MAX ( Heat-sink Needed)
- Output Voltage: 1.25-30V (Adjustable)
- Output Power: 15w max at maximum voltage
- Output short circuit protection: Yes, constant current (constant current setting values)
- Input reverse polarity protection: Yes,
- Constant current range: 0.2-3A (adjustable, default transferred 1A)
- Turn lamp current: constant current value * (0.1), turn the lamp current constant current value Linkage
₨ 350 -
150W Boost Converter DC-DC 10-32V to 12-35V Step Up Voltage Module
- Module Properties: non-isolated step-up module (BOOST)
- 65 * 36.5 * 23 (length * width * high) (mm)
- Input voltage :10-32V
- Output voltage: 12-35V (adjustable)
- Output Current: 5A (MAX)
- Input Current: 10A (MAX) (Please enhance heat dissipation if more than 10A)
- Output power: natural cooling 100W (MAX), enhance heat dissipation 150W (MAX)
- Easy to drive 65W 90W dual-core notebook.
- Use a 12V battery drive 19V 3.42A notebook, the module temperature about 45c
- Conversion efficiency: 94% (measured at Input 16V, output 19V 2.5A)
- Output Ripple: 2% (MAX) 20M-bandwidth
₨ 580 -
LM2596 DC DC Step Down Buck Converter Voltage Regulator LED Display Voltmeter
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📊 Real-Time Digital Display: Features a built-in voltmeter with ±0.1V accuracy for instant monitoring of your power status.
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🔘 One-Touch Control: Easily switch between input (IN) and output (OUT) voltage displays with a single tactile button.
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🛠️ Advanced Self-Calibration: Built-in function allows you to manually calibrate voltage readings for ultra-high precision requirements.
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🔌 Easy Wiring: Includes heavy-duty terminal blocks for screw-in connections—no soldering iron required!.
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📉 High-Efficiency Conversion: Adopts a 150KHz internal oscillation frequency for low power consumption and high reliability.
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🛡️ Smart Memory: Automatically saves your last display setting (IN or OUT), even after the power is turned off.
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🔋 Broad Step-Down Range: Perfect for converting batteries, transformers, and industrial power from 40V down to 1.25V.
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💡 Power Saving Mode: Turn off the voltmeter display entirely by holding the switch for 1–4 seconds to conserve energy.
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💪 Reliable Current Output: Supports a maximum output of 3A, with a recommended continuous working current of 2A for longevity.
₨ 450 -
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Audio Signal Mixer JRC4558 Preamplifier Mixing Board
- Using the JRC4558 audio mixing board, each audio input has an independent volume potentiometer control. Can simultaneously input dual channel audio signals for mixed output.
- Designed with a rectifier circuit that can be used 12V DC
₨ 450 -
Stereo 3-Band EQ Tone Preamp Module 🇯🇵 | Made in Japan by Alpas | DIY Audio Customization
🎚️ 3-Band Tone Control – Adjustable Bass, Mid, Treble for perfect audio
⚡ Low Power Operation – Runs efficiently at 3V DC
💎 Premium Japanese Build – Reliable and durable components
📏 Compact Design (36x31mm) – Fits easily into small enclosures
🔧 Easy Integration – Works with most preamps and audio boards
🎧 Stereo Output – Optimized for dual-channel audio
🛠️ DIY Friendly – Perfect for hobbyists and audio enthusiasts
🔥 Precise Frequency Adjustment – Fine-tune your sound exactly
📦 Versatile Applications – Amplifiers, speakers, and audio projects
🎨 Professional-Grade Audio Control – Crisp and clean tone adjustments₨ 150 -
UM66 Musical Kit – 12V DC Melody Sound Module – Ideal for Popcorn & Ice Cream Carts
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🎵 UM66 Melody IC Module – Pre-programmed for music playback
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🔌 Operating Voltage: 12V DC
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🔊 High Output Power: 25 watts – Loud enough for open areas
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🔧 No Soldering Needed – Plug-and-play operation
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🔈 Supports Horn or Speaker for sound output
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📐 Compact Size: 3.5 x 3.7 cm – Fits in small spaces
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🛒 Perfect for Commercial Use – Especially ice cream carts, popcorn stalls, or street vending setups
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✅ Reliable and Durable Build – Built to perform in outdoor settings
₨ 160 -
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Stereo Pre-Amplifier Board:SK164 Bass, Mid & Treble 3-Way Equalizer with Balance & Master Volume Control
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🎵 3-Band EQ Control: Independent adjustment for Bass, Mid, and Treble for total sound customization.
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🎤 Dedicated Mid-Range: Perfect for bringing out clear vocals and rich instrumental detail.
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🚀 High-Gain Op-Amp: Utilizes an integrated operational amplifier for superior audio signal processing.
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⚖️ Stereo Balance Tuning: Easily calibrate the audio output between your left and right speakers.
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🔊 Master Volume Management: Smooth, integrated control over your entire system’s sound level.
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⚡ Dual Supply Performance: Optimized for 15V-0-15V DC input to ensure maximum dynamic range.
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📉 Low Noise Circuitry: Engineered to eliminate hum and distortion for a crystal-clear listening experience.
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📏 Extended PCB Layout: A spacious, high-quality board design that makes DIY installation and soldering a breeze.
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🔌 Universal Input/Output: Clearly labeled terminals for seamless connection to any power amplifier.
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🛠️ Industrial Reliability: Built by Shehzad Electronics using premium capacitors and resistors for long-lasting use.
₨ 295 -
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Bass Tone Treble Stereo Board SK165 Volume Control
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🎸 Heavy Bass Boost: Tailor your low-end frequencies for deep, powerful resonance.
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🎤 Vivid Treble Control: Enhance high-frequency clarity for crisp vocals and sharp instruments.
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⚖️ Precision Balance Knob: Perfectly align your stereo image between left and right speakers.
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🔊 Master Volume Control: Smooth, linear attenuation for total sound level management.
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🚀 Active Op-Amp Circuit: Uses high-performance operational amplifiers for superior signal gain.
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🔋 Dual Supply Stability: Engineered for 15V-0-15V DC input to maximize dynamic range.
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📉 Low Noise Distortion: High-quality filtering capacitors ensure a hum-free audio experience.
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📏 Compact PCB Footprint: Slim, efficient layout designed for easy mounting in any cabinet.
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🏗️ DIY Friendly Design: Clearly labeled input, output, and power terminals for quick soldering.
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✅ Professional Grade: Built with durable components to withstand continuous, high-heat operation.
₨ 280 -
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Bass Tone Treble Stereo SK199 Kit Board
- Bass Tone Treble kit Volume Control Module
- Better performance, the frequency band is wide and noise is very small
- Sound warm and distorted, high fidelity
- Working Voltage: DC 12V
- Tune type: Low/High Pitch/Balance/Volume
- Channel: Double channel (Stereo)
₨ 135