3.7V 4000mAh Lithium-Ion Battery | High-Capacity Compact Battery for Electronics & DIY Projects

The 3.7V 4000mAh Lithium-Ion Battery from EVA Batteries is a high-performance and rechargeable power solution designed for long-lasting and reliable energy supply. Built with advanced NMC lithium-ion technology, this battery offers high energy density, stable voltage output, and efficient performance for a wide range of applications.

With its 4000mAh capacity and 3.7V output, this battery provides extended runtime for electronic devices, DIY projects, and portable gadgets. Its lightweight and compact design makes it ideal for applications where space and efficiency are important.

Equipped with an inbuilt Battery Management System (BMS), it ensures safe operation by protecting against overcharging, over-discharging, and short circuits, making it a dependable choice for everyday use.

Product Features

✅ 4000mAh High Capacity – Provides long-lasting and reliable power
✅ Lithium-Ion (NMC) Technology – High energy density with extended lifespan
✅ Inbuilt BMS Protection – Ensures safe and stable operation
✅ Compact & Lightweight Design – Ideal for portable and DIY applications
✅ Low Self-Discharge – Maintains charge for longer durations
✅ 1 Year Warranty – Assured quality and reliability

Key Features

✅ Voltage: 3.7V
✅ Capacity: 4000mAh
✅ Power: 7.4W
✅ Battery Chemistry: NMC Lithium-Ion
✅ Battery Model: 18650
✅ Configuration: 1S2P
✅ No. of Cells: 2 Cells
✅ Max Discharge Rate: 1C
✅ With BMS: Yes
✅ Dimensions: 38 × 20 × 65 mm
✅ Weight: 115 g
✅ Colour: Blue
✅ Model No.: 1S2P200018650
✅ Manufacturer: EVA Batteries