4PCS Transparent AA to Size D Battery Converter Adapter Case AA Battery Case,Default NO

Features:

1. Pure copper galvanized fittings, the negative electrode is made of pure copper nickel-plated fittings, not the iron fittings used in other factories (our domestic cable wires are made of copper wire without wire).

2. Negative electrode plating, greatly reducing the resistance, directly reducing the power loss!

3. After the negative electrode cover is opened, you can see that the four \"small claws\" around the bottom of negative electrode alloy are firmly fastened to the bottom.

4. This converter has a diameter of about 3.25cm and a length of about 6.0 cm. It can be equipped with one AA battery or 2 AA batteries.

5. PP material, durable.

6. Weight: about 12g.

Specification:

The main difference between the improved and the old models:

1. The old negative metal sheet has a small area and is invaginated, which causes a bad contact with some electrical appliances.

2. The improved: the area of the negative metal sheet is greatly increased, and it is higher than the plastic outer ring at the bottom. This design perfectly solves the problem of poor contact. The two sides of the conversion tube are horizontally and vertically interwoven. The reinforced column design ensures that the converter can withstand higher pressures.

Tips:

If you put AA battery in this converter, you can only put the same in the same conversion tube! Either put 1 or 2 batteries of 3.2V, or put 1 or 2 batteries in the occupying cylinder.If you put a 3.2V battery in the same cylinder, it is short circuited! The batteries are connected in parallel.

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