Description
IMREN 21700 4000mAh 35A High Drain Rechargeable Battery – Reliable Power for High-Performance Devices
The IMREN 21700 4000mAh 35A Battery is engineered to deliver steady, high-drain power for devices requiring stable current and extended runtime. Rated at 4000mAh by IMREN Lab with a pulse and burst rate of 35.12A, this battery is ideal for high-demand applications such as mods and high-performance flashlights. Designed with safety and stability as top priorities, it offers consistent performance, backed by rigorous quality testing to ensure reliability and peace of mind. Enjoy a dependable power source that enhances your devices’ performance when it matters most.
Key Features:
- Big Capacity: Boasting an impressive 4000mAh capacity, this battery provides extended runtime, reducing the need for frequent recharging and maximizing convenience.
- Steady High Drain: With a robust 35A steady current, the IMREN 21700 battery is tailored for high-drain applications, ensuring consistent and reliable power output for demanding devices.
- Enhanced Performance: Elevates your device's performance by delivering smooth, uninterrupted power even in challenging scenarios, making it ideal for high-drain uses.
- Longevity: Built to last with a long cycle life, supporting numerous charge-discharge cycles without significant capacity loss, providing a reliable, long-term power solution.
- Versatility: Suitable for a wide range of devices and applications, from mods to high-performance flashlights, offering a versatile power solution for various needs.
The IMREN 21700 4000mAh 35A High Drain Rechargeable Battery is your ultimate power solution for high-drain applications. With its big capacity, steady output, and reliable performance, this battery is designed to keep your devices running efficiently and effectively.
SPECIFICATIONS
| Manufacturer: | IMREN |
| Size: | 21700 |
| Positive Terminal: | Flat Top |
| Protected: | NO, UNPROTECTED. |
| Nominal Capacity: | 4000mAh |
| Discharge Current: | 35A Max Continuous |
| Nominal Voltage: | 3.7V |
| Maximum Voltage: | 4.2A |
| Approximate Dimensions: | 21.80mm x 70.80mm |
| Approx. Weight: | 70.0g |
| Country of Origin: | China |
⚠ Important Safety Warnings
Improper handling or misuse of this lithium-ion battery can result in FIRE, EXPLOSION, or THERMAL RUNAWAY, causing personal injury, property damage, or death. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.
- Critical Warning: Never carry loose batteries in your pocket, purse, or bag. Loose batteries can come into contact with metal objects like keys or coins, causing a short circuit, which may result in severe burns, fire, or explosion. Always store or transport batteries in a protective case or box.
- Intended Use: This battery is designed for integration into protected battery packs with a Battery Management System (BMS) or Protection Circuit Board (PCB). It is not intended for standalone use or use in devices such as e-cigarettes or vaporizers.
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What is Thermal Runaway?
- A dangerous chain reaction where heat generated by a failing battery causes it to overheat further, potentially leading to fire or explosion.
- Causes: Overcharging, short circuits, physical damage, or exposure to high temperatures.
- Prevention: Use a smart charger, avoid physical damage, and store batteries in a cool, dry place.
- Storage & Transport: Always store batteries in protective cases or boxes to prevent accidental contact with metal objects. Never store loose batteries in pockets, purses, bags, or near conductive materials.
- Inspection: Do not use if the PVC wrapper, terminal insulator, or casing is damaged, dented, leaking, or bulging. These are signs of internal damage or instability, and continued use could result in failure, fire, or explosion.
- Charging: Use a smart charger designed specifically for lithium-ion batteries and ensure that the charger's voltage matches the battery's specifications. Never overcharge, over-discharge, or leave unattended while charging.
- Prohibited Activities: Do not short circuit, modify, puncture, crush, expose to liquids, or solder directly onto the battery (spot weld only).
- Emergency Response: If the battery shows signs of thermal runaway (e.g., smoke, swelling, or heat), immediately stop use and move it to a non-flammable surface (e.g., concrete or sand). For fires, use a Class D fire extinguisher or sand—never use water.
Disclaimer
IMR Batteries is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to their customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.