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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 -
BMS 5S 15A Lithium Battery 18650 Charger 18.5V
- Continuous discharg current: 15A(max)
- Instantaneous discharg current: 25A
- Charge:
- Charge voltage: 21V
- Charging current: 15A(max)
- Overcharge Protect:
- Over-charge detect: 4.28±0.05V
- Over-charge release: 4.28±0.05V
- Over-discharge Protect:
- Over-discharge detect: 2.55±0.08V
- Release voltage: 2.9±0.1V
- Short-circuit Protect:
- Protect condition: Cut load
- Release condition: Cut load
- Over-current Protect:
- Detect voltage: 150mV
- Current detect: 30±3A
- Release condition: Cut load
- Inner Resistance: ≤20mΩ
- Self-consumption:
- Working current: ≤30uA
- Working Temperature Range: -30-+80℃
₨ 370 -
Breadboard 400 Tie Points DIY Bread Board
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🔴 Zero-Solder Prototyping: Effortlessly build and test circuits without welding, making it 100% reusable and perfect for temporary designs.
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🟠 High-Density Tie Points: Features a total of 400 points, including a 300-point terminal strip and dual 100-point distribution strips.
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🟡 Universal Component Support: Fully compatible with resistors, transistors, diodes, LEDs, and capacitors.
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🟢 Precision Wire Fit: Optimized for 21-26 AWG (0.4-0.7MM) wire, offering higher physical strength and lower resistance than standard boards.
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🔵 Durable Spring Clips: Built with phosphor bronze nickel-plated spring clips to ensure long-lasting, secure electrical connections.
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🟣 Easy Component Placement: Includes colored coordinates printed directly on the board to help you place components accurately and quickly.
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🟤 High-Grade Material: Constructed from robust ABS plastic, ensuring the board remains a staple in your toolkit for years.
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⚪ Compact Desktop Footprint: At just 8.5cm x 5.5cm, it fi
₨ 195 -
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BT-168D Battery Tester Universal Battery Volt Tester for AA /AAA/C/D/9V/1.5V Button Cell
- Type : Battery Tester
- Material: ABS
- Color: Black
- Tests 1.5V miniature cells
- Checks power level of all 1.5V & 9V batteries
- Three result: red=replace, yellow=low power, green=good
- Easy to read, colour coded meter indicates power level
- Universal Button Battery Checker Tester AA AAA C D 9V
- Don\’t Which Batteries to Keep and Which to throw Away
- Place your battery between the two points of the battery tester and the easy-to-read display will tell you instantly whether you have a dud or if you can eke out another few minutes of battery life
₨ 490 -
BT136 BT136-600E 600V 4A Triacs RAIL TRIAC TO-220
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🟢 400V PEAK VOLTAGE – Specifically engineered to safely handle high-voltage AC mains.
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⚡ 4A CONTINUOUS CURRENT – Capable of driving loads up to 4 Amps, perfect for household fans, lamps, and small heaters.
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💎 SENSITIVE GATE TRIGGER – Requires very little current to “turn on,” making it compatible with microcontrollers and low-power logic circuits.
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🌡️ TO-220 PACKAGE – Features a metal tab for easy heatsink attachment, ensuring stable performance even under heavy load.
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🚀 BILATERAL SWITCHING – Designed to conduct electricity in both directions, making it the ideal component for AC power control.
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🛠️ DIY VERSATILITY – A must-have for electronics hobbyists looking to bridge the gap between low-voltage sensors and high-voltage appliances.
₨ 45 -
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BTA16-600B | High-Power 16A Triac for Precision Control
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⚡ High Current Capacity: Handles up to 16A of RMS on-state current, perfect for heavy-duty power switching.
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🛡️ Internally Insulated Tab: Features an insulated TO-220AB package, allowing for direct mounting to heatsinks without extra mica washers.
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🔌 600V Blocking Voltage: Provides a robust 600V peak off-state voltage rating to safely manage standard AC mains.
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🎯 High Commutation Performance: Designed specifically for inductive loads, ensuring clean switching without the need for complex snubber circuits.
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🌡️ Superior Thermal Management: Low thermal resistance allows for efficient heat dissipation during prolonged high-power operation.
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📉 Low Gate Trigger Current: Responds accurately to low-level gate signals for precise micro-controller interfacing.
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🔄 Bidirectional Switching: Full four-quadrant triggering capability for versatile AC power control.
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🏗️ Durable TO-220 Package: Standardized industrial form factor ensures easy soldering and secure mechanical mounting.
₨ 48 -
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C1383 Transistor – NPN High Frequency Transistor | 50V, 1A, 0.8W
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Voltage Rating (Vce): 50V
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Collector Current (Ic): 1A
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Power Dissipation (Pd): 0.8W
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Package Type: TO-126
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Gain (hFE): 40 – 320 (Typical Range)
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Applications: Audio Amplifiers, RF Amplifiers, Switching Circuits, Signal Processing
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High-Frequency Performance
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Compact and Efficient Design
₨ 8 -
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C945 – Low Power NPN Transistor | 50V, 0.15A, 0.25W
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Voltage Rating (Vce): 50V
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Collector Current (Ic): 0.15A
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Power Dissipation (Pd): 0.25W
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Package Type: TO-92
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Gain (hFE): 70 – 700 (Typical Range)
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Applications: Audio Amplifiers, Signal Processing, Switching Circuits, Voltage Regulators
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Compact and Efficient Design
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Cost-effective and Reliable Performance
₨ 5 -
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CA-6928/Gold82d05 Bluetooth Audio Module Board 5V
- 📡 Bluetooth Connectivity — Stable wireless audio reception from mobile devices
- 🔊 Mono Audio Output — L/R/G terminals for amplifier connection
- ⚡ Wide Voltage Range — Operates on DC 3.5V–5V supply
- 📏 Ultra‑Compact Size — Just 24×15×1mm, fits anywhere
- 🚀 Extraordinary Range — Reliable up to 10 meters
- 🔋 Low Power Consumption — Efficient 300mA draw
- 🛠️ DIY Friendly — Perfect for custom amplifier boards
- 🎼 Versatile Compatibility — Works with 4–8Ω speaker systems
- 🟢 Small but Powerful — Delivers strong performance despite size
- 🎧 Best for Amplifiers — Tailored for any kind of amplifier project
₨ 185 – ₨ 195 -
CA1235 Adjustable Buck Power Module | DC-DC Step-Down Converter 1.25V–5V Output
⚡ Mini DC-DC Step-Down Converter – Compact size for easy integration
🔌 Wide Input Range: DC 5–16V – Compatible with multiple power sources
🎯 Multiple Output Voltages: 1.25V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
🛠 High Conversion Efficiency: Up to 90% – Saves energy and reduces heat
💡 Precise Voltage Adjustment: Short-connecting design ensures accuracy
📏 Compact Board Size: 3 × 2 cm – Fits in tight spaces
🧱 Stable & Reliable Output – Ideal for sensitive electronics
🌟 Durable Build – Long-lasting and robust for DIY projects
🔧 Easy to Use – Ready-to-use module for hobby or professional applications₨ 130 -
CD4011 Quad 2-Input NAND Gate IC – CMOS Logic Gate IC for Digital Circuits
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✅ Contains four independent 2-input NAND gates
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✅ CMOS technology – low power, high noise immunity
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✅ Wide operating voltage: 3V to 15V
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✅ Compatible with TTL logic levels
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✅ Available in 14-pin DIP or SMD packages
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✅ Ideal for logic control, timing, and digital circuit applications
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✅ Great for use in educational kits and DIY electronics projects
₨ 50 -
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CD4017 Decade Counter IC – Sequential Digital Counter with 10 Outputs
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Decade Counter: Counts from 0 to 9 in a sequential manner, resetting automatically after reaching 9.
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10 Output Pins (Q0 to Q9): Each output pin is activated sequentially, with one output active at a time based on the clock input.
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Low Power Consumption: Operates with low power, making it suitable for battery-powered projects.
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Easy to Use: Simple connection with a clock pulse input and a reset pin to control the counting sequence.
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Wide Supply Voltage Range: Operates with a supply voltage from 3V to 15V, making it flexible for various power sources.
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Fast Counting Speed: Capable of counting at high speeds, depending on the clock frequency.
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Versatile Applications: Perfect for sequential control of LEDs, stepper motors, timing circuits, frequency dividers, and more.
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Reset Function: The reset pin allows for manual or automatic resetting of the counter to zero.
₨ 30 -
