2AAA rechargeable square battery pack with lid and switch, black
Product Name: 2 AA (7) Battery Holder with Cover, Switch, and Black Color
Appearance and Structural Features:
Overall Design: This is a compact black square battery holder designed specifically for two AA (7) batteries. Its most notable feature is the rectangular base flange with wide edges, making it ideal for embedding into pre-drilled holes in device panels or lying flat on a surface.
Material and Manufacturing: The casing is made of high-quality black engineering plastic (usually ABS) with a matte finish, offering excellent insulation, wear resistance, and impact resistance.
Functional Features (Key Points):
Integrated Toggle Switch: A small toggle switch is integrated on one side edge of the battery holder, clearly marked with "ON" and "OFF" positions. Users can directly control the power on/off from the battery holder itself, eliminating the need for an additional switch in the external circuit.
Flip-Top Protective Cover: The top of the battery compartment features a flip-top lid connected by a hinge. The edge of the lid has a snap design that secures the batteries in place after closing, preventing them from falling out due to vibration and providing dust protection. The lid is printed with "OPEN" and an opening direction arrow for easy operation.
Mounting Holes: There is a round screw mounting hole at each of the four corners of the wide-edge base. This four-corner fixation design provides excellent stability, making it perfect for embedding into device casings or securing on a flat surface.
Contact System:
Negative Terminal: High-elasticity nickel-plated coil springs are installed at both ends inside to ensure tight and flexible battery contact.
Positive Terminal: A metal spring contact is located at the other end.
Connection Method: Metal spring pins are provided at the bottom, suitable for soldering wires or direct insertion into circuit board sockets.
Dimension Specifications:
Length: 67.6mm
Width: 39.3mm
Height: 14.5mm
Electrical Characteristics: The internal circuit is designed as a series connection, and two AA batteries can provide a DC output voltage of 3V.
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