The 3.7V 3000mWh Lithium-ion Rechargeable Battery 18650 – A Grade is a high-quality power cell engineered for performance, safety, and long-lasting durability. Delivering a stable 3.7V output with 3000mWh energy capacity, this A Grade 18650 battery is an excellent choice for a wide range of applications, from DIY electronics and flashlights to portable power systems and battery backup modules.
Crafted using premium-grade lithium-ion materials, the battery supports high discharge rates, long cycle life (500+ charge cycles with proper care), and consistent energy output. While it does not include a built-in protection circuit, it is compatible with external BMS or protection PCBs for safe operation.
Its standard size ensures it fits snugly in most 18650 battery holders, chargers, and casings—making it an ideal option for makers, professionals, and electronics hobbyists.
Now available at MICROSPARK – Your Trusted Electronic Component Shop.
Key Features:
- Battery Type: 18650 Lithium-ion Rechargeable
- Voltage: 3.7V nominal
- Energy Capacity: 3000mWh
- Grade: A Grade (High-quality cell)
- Size: ~18mm x 65mm
- Cycle Life: 500+ charge/discharge cycles
- Protection Circuit: Not built-in (requires external BMS/protection)
- Weight: ~45g
Applications:
- Flashlights and emergency lights
- DIY electronics and prototyping
- Power banks and USB chargers
- Battery packs for IoT, sensors, and robotics
- RC cars, drones, and hobby electronics
- Portable backup power systems
