2x18650 Battery Holder with 5.5mm/2.1mm DC Plug

This DFRobot battery holder takes two cells of type 18650 and connects them in series, nominal 7.4 V. The cable ends in a 5.5 × 2.1 mm DC barrel plug which, according to DFRobot, fits directly into the DC jack of an Arduino. Batteries are not included.

Caution: A short circuit or incorrect connection of lithium batteries can lead to destruction or fire. Cells connected in series need a protection circuit (BMS) for the number of cells.

Important: The holder has no protection circuit and no switch. Fully charged, two cells deliver up to 8.4 V; check the input voltage of the connected device.

Recommended Accessories:

• DC Socket Female Barrel Jack 5.5mm / 2.1mm with Screw Terminals

Features:

• 2 18650 cells in series, nominal 7.4 V, up to 8.4 V fully charged
• Cable with 5.5 × 2.1 mm DC barrel plug
• ABS housing, spring contacts made of nickel-plated stainless steel
• Without protection circuit, without switch
• According to DFRobot the shape of the DC plug may vary slightly between batches

Application Examples:

• Mobile power supply for Arduino and other boards with DC jack
• Driving robots and models
• Battery-powered prototypes

Technical Data:

• Manufacturer: DFRobot
• Manufacturer SKU: FIT0538
• Cell type: 18650
• Number of cells: 2, in series
• Nominal voltage: 7.4 V
• Plug: DC barrel plug 5.5 × 2.1 mm
• Material: ABS, contacts nickel-plated stainless steel
• Dimensions: 77.9 × 40.1 × 21.4 mm
• Weight: 19 g (DFRobot: 15.5 g)

Scope of Delivery:

• 1× Battery holder 2× 18650 with cable and 5.5 × 2.1 mm DC barrel plug