How many pieces are in the 4.5V Battery Case?

4.5V Battery Case contains 1 pieces.

What age is the 4.5V Battery Case recommended for?

This set is recommended for ages 18+.

When was the 4.5V Battery Case released?

4.5V Battery Case was released in 1966.

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🏛 4.5V

Set #101-3

4.5V Battery Case

Name: 4.5V Battery Case
Brand: LEGO
SKU: 101-3

The 4.

🏆 Best For: Ideal for collectors of vintage LEGO or those restoring classic trains. ⏱ 0.1 hr build 🧩 1 pcs

★★★★☆ 4.0

Collectors value this piece for its historical significance and the ability to restore vintage LEGO trains. The high price reflects its rarity and the demand from those seeking to complete their classic sets.

MSRP

$2.35

Best Price

$2.12

You Save

10% OFF

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📝 Our Take

The 4.5V Battery Case is a foundational piece of LEGO history. Released in 1966, this simple yet essential component powered early LEGO trains and motorized creations, bringing them to life with the magic of electricity.

This set is perfect for vintage LEGO collectors and hobbyists interested in restoring classic LEGO trains. Owning an original battery box allows you to complete your vintage sets and experience the early days of LEGO electrification.

Skip this if you're only interested in modern LEGO sets. Modern battery solutions offer far more power and control, and this piece is really only for restoration or historical interest.

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What is the best way to test a vintage 4.5V battery box? Are there any modern alternatives for powering 4.5V LEGO trains? What is the historical significance of the 4.5V system in LEGO history? How can I safely clean and maintain a vintage LEGO battery box?

🧱 Building Experience

🧩

Pieces

⏱

0.1h

Build Time

📊

Beginner

Difficulty

Build Highlights:

No building required - it's a single piece!
Essential component for powering 4.5V LEGO trains
Connects to early LEGO motors and accessories
A piece of LEGO history

📈 Investment Analysis

↑ Trending up since release

Investment Grade

⏳ Appreciating

The 4.5V Battery Case represents a unique investment opportunity tied to the nostalgia and collectibility of vintage LEGO. While not a high-growth investment, its value is likely to appreciate slowly but steadily due to its rarity and historical significance. Condition is key, as undamaged, fully functional units command a premium. The increasing interest in vintage LEGO trains and motorized systems should further support its value.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Unlike modern LEGO power functions which are more complex and versatile, the 4.5V Battery Case is a simple on/off power source. While a modern battery box offers more control, this vintage piece is essential for authentic restoration of classic LEGO sets. Consider modern solutions for new builds, but this for historical accuracy.

📦 Full Parts Inventory - 1 unique parts • 1 total pieces

Battery Box, 4.5V...

Part #: 468c01 1× Blue

As a single-piece set, the value lies entirely in the complete, functional assembly of the battery box itself. Condition is paramount.

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Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 1