The Technik TR2148 premium protected 21700 lithium-ion rechargeable battery is a commercial-grade, high-capacity energy cell engineered to deliver exceptional performance, stable voltage monitoring, and dependable safety under intensive multi-shift operational cycles. Fabricated using high-density lithium chemistry, this professional-grade cylinder yields a robust nominal capacity of 4800 mAh (17.76 Wh) to provide an extended runtime pathway for demanding professional equipment. It serves as an essential logistics procurement component for industrial security teams, tactical field crews, engineering departments outfitting heavy-duty portable hardware, and high-volume B2B consumer electronics accessory wholesale distribution networks looking to supply reliable high-current power cells.
The sophisticated internal architecture of the Technik TR2148 is centered around an integrated, heavy-duty electronic protection circuit module (PCM). This built-in safety infrastructure continuously shields the internal chemistry against structural overcharging, over-discharging, external short-circuits, and overcurrent conditions, mitigating thermal runaway or cellular fatigue. Adhering to the universal 21700 form factor metrics (21 mm diameter x 70 mm length), the cell features a streamlined Flat Top terminal layout (no button on the positive pole) that guarantees an absolute flush alignment within compatible high-drain battery trays. Rated at a 3.7 Volts nominal output with a 4.2V maximum charging threshold, this premium industrial cell ensures immediate technical alignment and total field deployment readiness inside advanced tactical flashlights, high-drain monitoring apparatus, and high-current portable electronic equipment.
| Technical Specification Parameter | Specifications |
|---|---|
| Product Brand Designation | Technik (Premium High-Current Power Line) |
| Hardware Model Designation | TR2148 (Specialty 21700 Lithium Matrix) |
| Primary Component Classification | Protected Rechargeable Lithium-Ion Cylindrical Battery Cell |
| Universal Battery Size Form Factor | 21700 Standard Configuration Matrix |
| Nominal Cell Energy Capacity | 4800 mAh (Nominal Core Rating Profile) |
| Total Measured Watt-Hour Energy | 17.76 Wh High-Density Output Capacity |
| Nominal System Voltage Output | 3.7 Volts Constant Power Supply Path |
| Maximum Charging Voltage Limit | 4.2 Volts Top-Off Voltage Threshold |
| Anode/Cathode Terminal Design | Flat Top Configuration (No button on positive pole) |
| Integrated Safety Shielding PCB | Active protection circuit module against overcharge, over-discharge, short-circuit, and overcurrent |
| Total Physical Cell Dimensions | 21 mm diameter x 70 mm length baseline cylinder footprint |
| Primary Fleet Utility Purpose | Turnkey industrial cell replenishment, high-power tactical flashlight outfitting, heavy-drain portable diagnostic hardware backup, and professional asset safety maintenance |
