Witty Fox 3.7V 10000mAh Li-Ion Rechargeable Battery
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The Witty Fox 3.7V 10000mAh Li-Ion Battery is a high-capacity rechargeable lithium-ion cell designed for stable and efficient power delivery in electronics, IoT devices, robotics, and DIY applications. It provides a consistent 3.7V output with high energy density, making it suitable for compact and portable electronic systems powered by the ESP32 Development Board, Raspberry Pi Pico, and Arduino Nano Original
Built for reliability and long-term use, the battery supports 600+ charge cycles and features built-in protection against over-voltage, over-current, and low-voltage conditions, ensuring safer operation in sensitive electronic projects. It supports regulated CC/CV 4.2V charging, making it compatible with standard lithium-ion charging systems such as the TP4056 Lithium Battery Charging Module.
With its lightweight design and stable discharge performance, it is widely used in GPS devices, Bluetooth speakers, power banks, mobile backup systems, MP4 players, IoT devices, and industrial electronics, offering dependable performance across both consumer and prototyping applications.

Engineering Students: Ideal for electronics projects, embedded systems, and robotics prototypes requiring a stable power source.
IoT Developers: Suitable for powering connected devices, smart systems, and low-power wireless applications.
DIY Makers & Hobbyists: Perfect for custom gadgets, portable builds, and experimental electronics projects.
Electronics Engineers: Useful for prototyping and testing battery-powered circuits and devices.
Product Developers: Supports early-stage product design and portable device development.
Small Businesses: Reliable option for low-volume production and embedded product integration.
Delivers a high 10000mAh capacity for longer runtime in portable and embedded applications.
Provides a stable 3.7V output, ensuring consistent performance across electronic systems.
Offers 600+ charge cycles, making it suitable for long-term and repeated use.
Built-in protection against over-voltage, over-current, and low-voltage conditions improves operational safety.
Supports CC/CV 4.2V charging, ensuring compatibility with the TP4056 Lithium Battery Charging Module
Compact and lightweight design makes it ideal for space-constrained DIY, IoT, and robotics projects.
For additional power solutions, browse the Rechargeable Batteries Collection and Battery Chargers & Management Modules Collection.
The Witty Fox 3.7V 10000mAh Li-Ion Rechargeable Battery price in India starts at ₹699 at Robocraze, with occasional seasonal offers and limited-time discounts depending on availability. (Final pricing may vary based on current promotions and stock availability.)
Shop from Robocraze for genuine Witty Fox batteries with verified specifications, secure packaging, and dependable performance for IoT devices, robotics, DIY electronics, and embedded applications. Every battery is quality-checked to ensure stable output, consistent capacity, and reliable long-term performance.
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Specification |
Witty Fox 3.7V 8000mAh |
Witty Fox 3.7V 10000mAh |
Witty Fox 3.7V 10400mAh |
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Product Name |
Witty Fox 3.7V 8000Mah Rechargeable Li-Ion Battery |
Witty Fox 3.7V 10000mAh Li-Ion Battery |
Witty Fox 3.7V 10400mAh Rechargeable Li-Ion Battery |
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Brand |
Robocraze / Witty Fox |
Witty Fox (Sold by Robocraze) |
Robocraze / Witty Fox |
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Battery Capacity |
8000 mAh |
10000 mAh |
10400 mAh |
|
Nominal Voltage |
3.7 V |
3.7 V |
3.7 V |
|
Dimensions (L x W x H) |
60 x 35 x 30 mm |
74 x 70 x 20 mm |
68 x 75 x 19 mm |
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Weight |
280 g |
193 g |
140 g |
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Connector Type |
2-Pin JST Connector |
Not explicitly named (Connector dims: 9 x 7 x 5 mm) |
2-Pin JST Connector |
|
Internal Resistance |
25-35 mΩ |
25-35 mΩ |
25-35 mΩ |
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Max. Charging Current |
2.5 A |
2.5 A |
1.5 A (1500 mA) |
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Max. Discharge Current |
2.5 A |
2.5 A |
2.0 A (2000 mA) |
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Cycle Life |
> 600 Cycles |
> 600 Cycles |
> 700 Cycles |
|
Charging Method |
Regulated DC, CCCV 4.2V |
Regulated DC, CCCV 4.2V |
Regulated DC, CCCV 4.2V |
|
Self-Discharge |
< 2% per month |
< 2% per month |
< 2% per month |
| Brand | Witty Fox |
| Voltage | 3.7V |
| Battery Capacity | 10000 mAh |
| Internal Resistance | 25-35m? |
| Charging | Regulated DC, CCCV 4.2V |
| Self–Discharge | < 2% per month |
| Battery Type | Lithium-Ion |
| Battery Dimension (L x W x H) |
74 x 70 x 20mm |
| Connector Dimension (L x W x H) |
9 x 7 x 5 mm |
| Weight | 193 grams |
A 3.7V lithium-ion battery typically lasts around 600 charge cycles, depending on usage and charging conditions. One cycle means a full discharge and recharge of the battery.
To ensure safe usage and longer battery life:
Lithium batteries are non-rechargeable (single-use), while lithium-ion batteries are rechargeable and reusable, making them suitable for electronics, robotics, and portable devices.
4. Do lithium-ion batteries lose charge when not in use?
Yes. Lithium-ion batteries naturally self-discharge over time even when not in use. Proper storage helps slow down capacity loss and maintain battery health.
Lithium-ion batteries are preferred because they offer high energy density, lightweight design, fast charging, and long cycle life, making them ideal for portable electronics and embedded systems.
Yes. The battery is sourced from verified manufacturers and is QC tested before dispatch. It is checked for capacity accuracy, voltage stability, and safety performance to ensure reliable use in electronics, IoT, and robotics applications.