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Superior High-Capacity Power: 2200mAh 3.7V Li-ion Battery
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⚡ Maximum Energy Density: Boasts a massive 2200mAh capacity to provide industry-leading runtime for portable devices.
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📐 High-Efficiency Output: Provides up to 9.12Wh of energy, making it ideal for high-drain electronic components.
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🔌 Ready-to-Use JST Connector: Features a pre-installed white JST connector for immediate, secure, and hassle-free connectivity.
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🛡️ Advanced Safety Board: Includes an integrated protection circuit to safeguard against overcharging and electrical faults.
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🎯 Stable 3.7V Performance: Maintains a consistent nominal voltage to protect sensitive microchips and internal sensors.
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📏 Optimized Slim Design: Features a thickness of only 0.97 cm, allowing it to fit into sleek, high-capacity enclosures.
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🔄 Reliable Rechargeable Cycles: Engineered with modern Li-ion chemistry for high stability and a long operational lifespan.
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🏗️ Robust Construction: Durable build quality designed to withstand the demands of professional and industrial DIY projects.
₨ 370 -
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High-Capacity Powerhouse: 3.7V 850mAh Li-ion Battery
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⚡ High-Capacity Performance: Boasts a concentrated 850mAh for superior device longevity.
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📏 Space-Efficient Design: Features a compact 3.5 x 2.4 cm footprint to maximize enclosure space.
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🛡️ Advanced Build Quality: Manufactured with high-grade Lithium-ion chemistry for consistent power delivery.
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🪶 Optimized Power-to-Weight: Weighs just 15g, striking the perfect balance between high capacity and portability.
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🎯 Stable 3.7V Supply: Delivers a steady nominal voltage to ensure the safety of sensitive internal components.
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🔄 Long-Lasting Cycle Life: Designed for hundreds of recharge cycles with minimal capacity loss over time.
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📐 Low-Profile Thickness: At only 0.9 cm thick, it is ideal for slim-line electronic enclosures.
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🛠️ Universal Application: The go-to power source for GPS units, portable audio, and advanced robotic prototypes.
₨ 180 -
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Compact Power Solution: 3.7V 400mAh Li-ion Polymer Battery ### Reliable Energy for Your High-Tech Projects
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📏 Ultra-Thin Profile: Features a slim 0.6 cm thickness, ideal for low-profile and space-constrained device designs.
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🪶 Feather-Light Design: Weighs only 9g, ensuring it adds minimal weight to your portable or aerial projects.
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🔌 JST Connection Ready: Equipped with a standard red JST connector for quick, secure, and easy plug-and-play installation.
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🛡️ Built-in Protection: Features an integrated PCM (Protection Circuit Module) on the terminal to safeguard against electrical faults.
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🎯 Consistent Performance: Maintains a steady 3.7V output to ensure the smooth operation of sensitive microcontrollers.
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🔄 Rechargeable Efficiency: Built with modern Lithium-ion Polymer chemistry for a long life cycle and hundreds of recharges.
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🛠️ Universal Compatibility: Perfect for powering Bluetooth headsets, miniature RC toys, GPS trackers, and DIY IoT sensors.
₨ 150 -
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🔋 High-Performance 390mah 3.7V Lithium-Ion Battery
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⚡ Optimized Capacity: Offers a concentrated 390mAh of power for small-scale devices.
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📏 Sleek & Narrow Design: Unique 3.3 x 1.6 cm footprint is perfect for long, thin enclosures.
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🛡️ Advanced Safety Board: Features an integrated protection circuit to prevent over-discharge and short circuits.
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🪶 Ultra-Lightweight: Weighs only 7.7g, making it ideal for weight-sensitive applications like mini drones.
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🔌 Pre-Wired Connection: Comes with durable red and black leads for easy soldering and secure polarity identification.
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🔄 Steady Voltage Supply: Maintains a reliable 3.7V output for consistent performance of sensitive components.
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📐 Low-Profile Thickness: Only 0.8 cm thick, allowing for incredibly slim product designs.
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🌍 Efficient Rechargeability: Designed for a long life cycle with modern Li-ion chemistry for maximum sustainability.
₨ 150 -
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Premium 600mah 3.7V Lithium-Ion Polymer Rechargeable Battery
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⚡ High Energy Density: Packs significant power, such as 6.66Wh or 2.22Wh, into a miniature footprint.
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🛡️ Integrated Protection: Features a built-in Protection Circuit Module (PCM) to prevent overcharging and short circuits.
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📏 Ultra-Slim Profile: Available in thicknesses as thin as 0.48 cm to 1 cm, fitting into the tightest enclosures.
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🔌 Plug-and-Play Ready: Select models come equipped with standard white JST connectors for effortless installation.
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🔄 Long Cycle Life: Engineered to endure hundreds of recharge cycles with minimal capacity degradation.
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🪶 Feather-Light Design: Extremely portable weights ranging from only 10.6g to 34g.
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🎯 Stable Voltage Output: Maintains a consistent 3.7V nominal output for the smooth operation of sensitive components.
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🛠️ Universal Compatibility: Ideal for GPS trackers, smartwatches, RC toys, and custom Arduino/Raspberry Pi projects.
₨ 160 -
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Premium 1800mAh 3.7V Li-Po Rechargeable Power Battery
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🚀 High-Capacity Storage: Boasts a massive 1800mAh capacity to keep your devices running longer.
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🔌 Plug-and-Play JST Connector: Equipped with a standard JST-PH-2.0mm connector for instant, secure attachment.
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🛡️ Built-in Smart Protection: Integrated PCM protection circuit guards against over-charging, over-discharging, and short circuits.
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🔄 Extended Cycle Life: Designed to last for at least 500 charge cycles, providing years of dependable service.
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📐 Ultra-Slim Prismatic Design: Measuring just 10mm thick, it slides easily into tight, low-profile enclosures.
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🪶 Featherweight Portability: Weighs approximately 30–36 grams, adding significant power without the bulk.
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🔋 Stable Power Delivery: Maintains a steady 3.7V nominal output for the smooth operation of sensitive microcontrollers.
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🌡️ Wide Operating Temperature: Reliable performance across a broad range from -20°C to 60°C.
₨ 220 -
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Premium 560mAh 3.7V Lithium-Ion Polymer Battery
* 🚀 High Energy Density: Delivers a potent 2.07Wh of energy in a remarkably small form factor.
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📏 Ultra-Thin Profile: Only 5mm thick, ideal for sleek, low-profile device enclosures.
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🛡️ Integrated PCM: Built-in protection circuit prevents over-charging, over-discharging, and short circuits.
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🪶 Feather-Light: Weighing just 10.6g, it’s perfect for drones and weight-sensitive RC models.
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⚡ Stable Voltage: Maintains a consistent 3.7V output for smooth and reliable component performance.
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🔄 Long Cycle Life: Designed to endure hundreds of charge/discharge cycles with minimal capacity loss.
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🧵 Pre-Wired Leads: Comes with flexible positive/negative wires for quick and easy installation.
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🌍 Eco-Friendly Efficiency: Modern Lithium-ion chemistry provides a cleaner, more efficient alternative to Ni-Cd batteries.
₨ 150 -
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High-Power 4000W AC 220V Dimmer Motor Speed Controller PCB
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🚀 Extreme Power Handling: Supports up to 4000W (peak) for heavy-duty appliances.
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💎 Premium Fiber Material: Built on a high-grade Fiber PCB for superior heat resistance and durability compared to standard boards.
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🎯 Precision Control: Designed for the BTA16-600 TRIAC to provide flicker-free dimming and smooth motor speed adjustment.
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📏 Perfect Form Factor: Compact 11.6cm x 9.1cm size with pre-drilled mounting holes for easy installation.
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🛠️ Clear Component Labeling: Features high-visibility silk-screen printing for easy soldering and assembly of resistors, diodes, and capacitors.
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🔌 Universal Compatibility: Works seamlessly with 220V AC input for fans, heaters, incandescent bulbs, and AC motors.
₨ 180 -
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PRO-SERIES 200W D1047 STEREO AMPLIFIER PCB
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🔊 Dual-Channel Stereo: Complete Left and Right channel amplification on a single, high-quality board.
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💎 Quad D1047 Power: Utilizes four D1047 NPN transistors for a balanced and punchy output.
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⚡ 200W Total Power: Delivers 100W per channel, perfect for 8-inch to 10-inch home speakers.
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📏 Extended PCB Design: Large 14.6cm x 8cm layout provides better airflow and easier soldering.
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🛠️ Error-Proof Assembly: All component values are printed directly on the board for a “no-manual” assembly experience.
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🌡️ Integrated Heat Management: Linear transistor alignment allows for direct mounting to a single aluminum heat sink.
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🔋 Efficient Voltage Range: Optimized for 25V-0-25V AC input, making it compatible with standard 5A-7A transformers.
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🛡️ Built-in Power Section: Features dedicated slots for large filter capacitors ($4700\mu F$ or higher) for hum-free audio.
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🔌 Versatile Connectivity: Separate pads for Ground (GND), Speaker Out (SP), and Audio Input (IN) for clean wiring.
₨ 110 -
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ULTRA-POWER 300W MOSFET MONO AMPLIFIER PCB
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💎 Dual N-Channel Output: Utilizes two IRF240 MOSFETs for superior current handling and a rich, musical audio signature.
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⚡ High Power Delivery: Capable of pushing a massive 300 Watts RMS in mono configuration for high-impact sound.
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🔋 Wide Voltage Range: Optimized for Dual $56V$ DC operation, allowing for maximum dynamic range and headroom.
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🛠️ User-Friendly Silk Screen: Features ultra-clear component labeling, making it easy for hobbyists to populate and solder with zero errors.
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🌡️ Advanced Thermal Logic: Designed with dedicated mounting spaces for BD139 and MJE series driver transistors to manage heat effectively.
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🔊 Subwoofer Ready: The high current output makes it an ideal choice for driving large-diameter subwoofers with tight control.
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📐 Space-Saving Footprint: The pro-engineered $10\text{cm} \times 9\text{cm}$ PCB fits easily into standard amplifier chassis and heat sinks.
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🛡️ Premium Build Quality: Manufactured on a high-grade glass epoxy substrate for long-lasting durability and heat resistance.
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🔌 Flexible Inputs: Includes dedicated pads for Audio Input, Ground, and Speaker Output for clean and easy wiring.
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🏗️ Heavy-Duty Support: Supports large-wattage ceramic resistors and high-voltage electrolytic capacitors ($80V$) for stable performance.
₨ 150 -
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High-Fidelity 650W Stereo Power Amplifier DIY Kit – Pro-Grade Dual Rail BJT Design
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🚀 Peak Output Power: 800 Watts Total (400W + 400W @ 4Ω Load).
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⚡ Operating Voltage: Dual Rail ±45V to ±70V DC (Symmetrical).
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🎸 Transistor Tech: Optimized for NPN/PNP Power Pairs (Class AB).
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🌈 Audio Fidelity: Ultra-low THD (Total Harmonic Distortion) for “Crystal Clear” highs.
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🛡️ Rugged Build: FR-4 Glass-Epoxy PCB with Extra-Thick Copper Paths.
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🎧 Channel Layout: True Stereo (Independent Left/Right inputs and outputs).
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🌡️ Thermal Design: Includes footprints for 0.47Ω 5W Emitter Resistors for heat stability.
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🎯 Versatility: Perfect for Subwoofers, Floor-standers, or Pro-Audio monitors.
₨ 360 -
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HIGH-CAPACITY 3.7V 5000mah LITHIUM ION BATTERY
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🔴 Massive Energy Storage: Boasts a high-capacity 5000mAh rating for extended device runtime.
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🟠 Optimized Power Output: Provides a stable 3.7V nominal voltage, ideal for most modern electronic circuits.
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🟡 Fully Tested Reliability: Every unit is “Fully Tested” to ensure safety, quality, and peak performance.
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🟢 Ultra-Slim Profile: Features a thickness of just 0.58cm, making it easy to fit into tight enclosures.
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🔵 Lightweight Efficiency: Weighs only 77g, perfect for weight-sensitive applications like drones or handheld gadgets.
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🟣 High Energy Density: Delivers a powerful 37Wh of energy within a compact physical footprint.
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🟤 Ready-to-Connect Terminals: Comes with pre-installed flat metal tabs for easy soldering or connector attachment.
₨ 750 -