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Description: 1. An 18650 2-cell holder is a battery housing designed to securely accommodate two 18650 Li-ion batteries, providing a total voltage output of approximately 7.4V for various IoT devices and projects. 2. Design & Material: The holder usually features a robust aluminum casing with an insulated cover to ensure safe battery handling and prevent short circuits. It's often designed with gold-plated spring contacts, ensuring a stable connection between the batteries and the connected circuit. 3. Safety: Protecting against overcharging, overdischarging, and reverse polarity is essential for Li-ion battery safety. The 18650 2-cell holder often incorporates built-in protection circuits to ensure a stable power supply and prolong the battery life. 4. Versatility: The 2-cell holder can be used in numerous IoT applications, such as robotics, renewable energy systems, electric vehicles, portable chargers, and more, thanks to its high voltage output and compatibility with various charging method
| Specification | Details |
|---|---|
| Material | High-quality plastic (ABS or PC) |
| Dimensions | Length: 70mm Width: 35mm Height: 20mm |
| Hole Diameter | 18.5mm (for 18650 battery) |
| Battery Capacity | Supports two 18650 batteries |
| Weight | Approximately 40g |
| Operating Temperature | -10°C to 60°C |
| Color | Available in black or silver |
| Certifications | RoHS CE compliant |
| Packaging | Individual packaging for each unit |
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