18650 Lithium-Ion Battery 2400mAh 3.7V – Rechargeable Battery

�� Product Description: The 18650 Lithium-Ion Rechargeable Battery with a capacity of 2400mAh and 3.7V output is a reliable power source for your DIY electronics, robotics, flashlights, portable devices, and IoT projects. Designed for durability and long cycle life, this battery is compact yet powerful—ideal for embedded systems and custom battery packs. Compatible with 18650 battery holders, powerbanks, solar kits, and more. Rechargeable via standard Lithium-ion chargers like the TP4056 module. �� Note: Handle with care. Use only with proper charging circuits to ensure safety and longevity. ✅ Key Features: Battery Type: Lithium-Ion (Li-Ion) Capacity: 2400mAh (Nominal) Voltage: 3.7V Rechargeable: Yes Standard Size: 18650 Cycle Life: ~500 charge cycles No memory effect Lightweight & compact ⚡ Applications: Power for Arduino, ESP, NodeMCU & IoT boards DIY power banks and energy storage Portable fan and light projects RC vehicles, toys, and robots Backup batteries for mini UPS circuits