Witty Fox 3.7V 400mAh Li-Ion Battery
ଦ୍ .ାରା
My Store
SKU: TES-EV102498
Witty Fox 3.7V 400mAh Li-Ion Battery
A compact, rechargeable 3.7V 400mAh lithium-ion battery by Witty Fox - ideal for powering small electronics projects, IoT devices, wearables, and portable gadgets. Lightweight design with reliable discharge performance and built-in protection circuitry for safe operation. Available at The Engineer Store, Bengaluru with fast shipping and full technical support.
Specifications
| Brand | Witty Fox |
| Battery Chemistry | Lithium-Ion (Li-Ion) |
| Nominal Voltage | 3.7V |
| Capacity | 400mAh |
| Charging Voltage | 4.2V (max) |
| Cut-off Voltage | 2.75V (approx.) |
| Protection Circuit | Built-in (overcharge, over-discharge, short circuit) |
| Connector Type | JST PH 2.0mm 2-pin (typical) |
| Rechargeable | Yes - 500+ charge/discharge cycles |
| Weight | Approx. 8-10 grams |
| Form Factor | Compact pouch/prismatic cell |
| Origin | Original Witty Fox - Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Reliable 3.7V Output: Stable nominal voltage suitable for microcontrollers, sensors, and low-power electronics.
- 400mAh Capacity: Provides adequate runtime for small IoT nodes, GPS trackers, wearables, and handheld devices.
- Built-in Protection Circuit Module (PCM): Safeguards against overcharging, deep discharge, and short circuits - extending battery lifespan and ensuring safe operation.
- Lightweight & Compact: Weighing under 10 grams, it fits easily into space-constrained enclosures and portable builds.
- Rechargeable - 500+ Cycles: Charge via standard TP4056 or similar Li-Ion charging modules for hundreds of reliable cycles.
- JST 2-Pin Connector: Plug-and-play compatibility with many development boards, charging modules, and custom PCBs.
- Witty Fox Quality: Trusted Indian brand known for reliable, hobbyist-friendly battery solutions with consistent capacity ratings.
Why Choose the Witty Fox 3.7V 400mAh Battery?
- 100% authentic Witty Fox product sourced from authorized channels - genuine rated capacity
- Ideal balance of size, weight, and capacity for compact portable projects
- Integrated safety protection eliminates the need for external protection circuits
- Compatible with widely available TP4056 charging boards for easy recharging
- 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
- Expert technical support to help you integrate the battery into your project
Project Ideas
- IoT Sensor Nodes: Power ESP8266/ESP32-based wireless sensor nodes for temperature, humidity, or air quality monitoring with deep-sleep optimization for extended battery life.
- GPS Tracker: Build a compact, battery-powered GPS tracking device for pets, bicycles, or personal belongings using a NEO-6M GPS module.
- Wearable Electronics: Create LED wristbands, smart badges, or health-monitoring wearables that need a small, lightweight power source.
- Portable Bluetooth Speaker: Power a miniature Bluetooth audio module for a custom pocket-sized speaker build.
- Arduino/Microcontroller Projects: Use as a portable power supply for Arduino Nano, ATtiny, or STM32-based handheld instruments and data loggers.
- RC Micro Drones & Robots: Lightweight enough for small robotic platforms, micro quadcopters, or line-following robots.
- Emergency LED Lamp: Combine with a TP4056 charger and white LEDs for a simple rechargeable emergency light.
- Learning & Education: Perfect for students exploring battery management, power electronics, and embedded systems in lab or classroom settings.
Recommended Companion Components
- TP4056 Li-Ion Charging Module: Micro-USB or USB-C based charger board with built-in protection - the standard way to recharge this battery.
- 3.3V/5V Boost Converter: Step-up module to convert 3.7V to 5V for powering Arduino, sensors, or USB devices.
- SPDT Slide Switch: Simple on/off switch to control power delivery from the battery to your circuit.
- JST PH 2.0mm Connectors: Spare connectors and pigtails
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Witty Fox 3.7V 400mAh Li-Ion Battery Online in India
Purchase the Witty Fox 3.7V 400mAh Li-Ion Battery online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Witty Fox 3.7V 400mAh Li-Ion Battery with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Witty Fox 3.7V 400mAh Li-Ion Battery at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Witty Fox 3.7V 400mAh Li-Ion Battery
A compact, rechargeable 3.7V 400mAh lithium-ion battery by Witty Fox - ideal for powering small electronics projects, IoT devices, wearables, and portable gadgets. Lightweight design with reliable discharge performance and built-in protection circuitry for safe operation. Available at The Engineer Store, Bengaluru with fast shipping and full technical support.
Specifications
| Brand | Witty Fox |
| Battery Chemistry | Lithium-Ion (Li-Ion) |
| Nominal Voltage | 3.7V |
| Capacity | 400mAh |
| Charging Voltage | 4.2V (max) |
| Cut-off Voltage | 2.75V (approx.) |
| Protection Circuit | Built-in (overcharge, over-discharge, short circuit) |
| Connector Type | JST PH 2.0mm 2-pin (typical) |
| Rechargeable | Yes - 500+ charge/discharge cycles |
| Weight | Approx. 8-10 grams |
| Form Factor | Compact pouch/prismatic cell |
| Origin | Original Witty Fox - Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Reliable 3.7V Output: Stable nominal voltage suitable for microcontrollers, sensors, and low-power electronics.
- 400mAh Capacity: Provides adequate runtime for small IoT nodes, GPS trackers, wearables, and handheld devices.
- Built-in Protection Circuit Module (PCM): Safeguards against overcharging, deep discharge, and short circuits - extending battery lifespan and ensuring safe operation.
- Lightweight & Compact: Weighing under 10 grams, it fits easily into space-constrained enclosures and portable builds.
- Rechargeable - 500+ Cycles: Charge via standard TP4056 or similar Li-Ion charging modules for hundreds of reliable cycles.
- JST 2-Pin Connector: Plug-and-play compatibility with many development boards, charging modules, and custom PCBs.
- Witty Fox Quality: Trusted Indian brand known for reliable, hobbyist-friendly battery solutions with consistent capacity ratings.
Why Choose the Witty Fox 3.7V 400mAh Battery?
- 100% authentic Witty Fox product sourced from authorized channels - genuine rated capacity
- Ideal balance of size, weight, and capacity for compact portable projects
- Integrated safety protection eliminates the need for external protection circuits
- Compatible with widely available TP4056 charging boards for easy recharging
- 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
- Expert technical support to help you integrate the battery into your project
Project Ideas
- IoT Sensor Nodes: Power ESP8266/ESP32-based wireless sensor nodes for temperature, humidity, or air quality monitoring with deep-sleep optimization for extended battery life.
- GPS Tracker: Build a compact, battery-powered GPS tracking device for pets, bicycles, or personal belongings using a NEO-6M GPS module.
- Wearable Electronics: Create LED wristbands, smart badges, or health-monitoring wearables that need a small, lightweight power source.
- Portable Bluetooth Speaker: Power a miniature Bluetooth audio module for a custom pocket-sized speaker build.
- Arduino/Microcontroller Projects: Use as a portable power supply for Arduino Nano, ATtiny, or STM32-based handheld instruments and data loggers.
- RC Micro Drones & Robots: Lightweight enough for small robotic platforms, micro quadcopters, or line-following robots.
- Emergency LED Lamp: Combine with a TP4056 charger and white LEDs for a simple rechargeable emergency light.
- Learning & Education: Perfect for students exploring battery management, power electronics, and embedded systems in lab or classroom settings.
Recommended Companion Components
- TP4056 Li-Ion Charging Module: Micro-USB or USB-C based charger board with built-in protection - the standard way to recharge this battery.
- 3.3V/5V Boost Converter: Step-up module to convert 3.7V to 5V for powering Arduino, sensors, or USB devices.
- SPDT Slide Switch: Simple on/off switch to control power delivery from the battery to your circuit.
- JST PH 2.0mm Connectors: Spare connectors and pigtails
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Witty Fox 3.7V 400mAh Li-Ion Battery Online in India
Purchase the Witty Fox 3.7V 400mAh Li-Ion Battery online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Witty Fox 3.7V 400mAh Li-Ion Battery with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Witty Fox 3.7V 400mAh Li-Ion Battery at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.