18650 3.7V 1200mAh Combo – Reliable IMR Li-ion Cell + Holder + Type-C TP4056 Charger (Best High-Drain Performance)

The 18650 3.7V 1200mAh Combo by Shektronix is a complete rechargeable battery kit that includes everything needed to power and safely charge a standard 18650 Li-ion cell. This pack contains one IMR 18650 3.7V 1200mAh 4.44Wh flat-top rechargeable cell, one durable 18650 battery holder, and one USB Type-C TP4056 1A charging module featuring smart auto cut-off and dual LED charge status indicators.

This combo is built for users who want a simple plug-and-charge battery solution without compatibility concerns. The IMR chemistry cell falls under the high-drain category, which means it can deliver higher current when required while maintaining better thermal stability than standard low-drain cells.

The included TP4056 module follows the safest 4.2V CC/CV lithium charging profile, ensuring efficient charging and automatic cutoff at full charge. The onboard LEDs provide clear status: red for charging and blue for fully charged, offering instant visual feedback.

The 18650 holder keeps the battery removable and replaceable, enabling easy swapping without soldering. Spring-loaded contacts ensure firm grip and stable connection even after repeated use. The USB Type-C input allows charging using phone adapters, USB power sources, and power banks.

Specifications

• Cell Format: 18650 Cylindrical (Flat-Top)

• Chemistry: IMR Li-ion (Unprotected)

• Nominal Voltage: 3.7V

• Capacity: 1200mAh

• Rated Energy: 4.44Wh

• Charging Input: USB Type-C (5V)

• Charging Method: 4.2V CC/CV

• Charge Current: 1A

• Charge Status Indicators: Red (charging), Blue (full)

• Holder Type: Spring-loaded 18650 cell holder

• Pack Includes: 1 × 18650 Cell + 1 × Holder + 1 × Type-C TP4056 Module

Features

• IMR 18650 3.7V 1200mAh flat-top rechargeable cell

• USB Type-C TP4056 1A charger with auto cut-off

• Safe 4.2V CC/CV lithium charging

• Dual LED indicators for real-time charge status

• Replaceable holder-based design, no permanent soldering

• High-drain chemistry for stable current delivery

• Compact and portable combo kit

• Secure spring contact battery holder

• India-wide delivery supported by Shektronix

This combo is ideal for anyone working on rechargeable battery circuits, DIY power builds, learning kits, and portable electronics requiring safe 18650 charging and holder-based cell integration. Shektronix ensures secure packaging and reliable reseller quality across India.