How many pieces are in the Battery Motor, 9V?

Battery Motor, 9V contains 27 pieces.

What age is the Battery Motor, 9V recommended for?

This set is recommended for ages 18+.

When was the Battery Motor, 9V released?

Battery Motor, 9V was released in 1992.

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Recent reviews

Brickset • about 16 hours ago

🏛 Supplemental

Set #845

Battery Motor, 9V

Name: Battery Motor, 9V
Brand: LEGO
SKU: 845-1

The Battery Motor, 9V is a quintessential LEGO power component.

🏆 Best For: Perfect for LEGO builders of all ages wanting to add motorized functions to their creations ⏱ 0.5 hr build 🧩 27 pcs

★★★★☆ 4.2

A highly sought-after set for powering older LEGO Technic models. Fans appreciate its reliability and ease of use, but note that it requires a 9V battery which is not included.

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📝 Our Take

The Battery Motor, 9V is a quintessential LEGO power component. Released in 1992 as part of the Supplemental theme, this set provides the means to motorize various LEGO creations, adding a dynamic element to builds that would otherwise be static.

This set is perfect for LEGO enthusiasts interested in adding motion to their models and exploring basic mechanics. It's a simple way to introduce motorized functions into Technic creations, offering a hands-on learning experience about gears, axles, and electric power.

Skip this if you're looking for a complete building set with instructions. This is purely a supplemental power component; consider purchasing a full Technic set that utilizes similar motors if you want a project with step-by-step guidance.

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How can I integrate this motor into my existing LEGO Technic models? What types of projects are best suited for this 9V motor? How does this motor compare to modern LEGO power functions? What is the best way to store and maintain this motor for long-term use?

🧱 Building Experience

🧩

Pieces

⏱

0.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple integration with Technic models
Introduction to basic motorized functions
Durable and reliable 9V motor
Easy to understand wiring

📈 Investment Analysis

→ Price stable

Investment Grade

⏳ Active

The Battery Motor, 9V (845-1) holds moderate investment potential due to its age, functionality, and the enduring appeal of LEGO power functions. Complete sets in good condition are increasingly rare, making them attractive to collectors and Technic enthusiasts seeking to restore or enhance vintage models. However, the presence of newer, more advanced power systems might limit its potential for explosive growth. Still, given its historical significance and practical utility, it remains a worthwhile addition to any LEGO investment portfolio, particularly for those specializing in vintage Technic components.

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

⚖ Compare Similar Sets

Power Functions Motor Set

Simple & Powered Machines Set

Education • 396 pcs

$139.99

The Battery Motor, 9V, while functional, is an older system compared to modern LEGO Power Functions or Powered Up systems. While it lacks the advanced control features of newer systems, its simplicity and compatibility with older Technic sets make it a valuable component for vintage builders. Consider modern Power Functions for more versatile control options, but stick with the 9V system for authentic vintage builds.

📦 Full Parts Inventory - 8 unique parts • 27 total pieces

Battery Box, 9V 4...

Part #: 2847c01 1× Light Gray

Wheel with Split ...

Part #: 3482 8× Red

Tyre Offset Tread...

Part #: 3483 4× Black

Tyre 43 x 17

Part #: 3634 4× Black

Technic Brick 1 x...

Part #: 3701 4× Black

Technic Axle 6

Part #: 3706 4× Black

Motor, 9V 4 x 10 x 3

Part #: 5011 1× Black

Wire with Brick 2...

Part #: 5306bc162 1× Black

The 9V motor and battery box are the most valuable components, essential for powering vintage LEGO creations. The included Technic axles are useful for connecting the motor to various mechanisms.

🛒 Where to Buy

💎 Notable Parts

Black Motor, 9V 4 x 10 x 3 (1x) $10.00

Black Wire with Brick 2 x 2 x 2/3 Pair, 162L (1x) $7.50

Light Gray Battery Box, 9V 4 x 14 x 4 with Dark Gray Base [Complete Assembly] (1x) $15.00

Black Technic Axle 6 (4x) $0.75

Est. BrickLink Part Value

$33.25

💡 MOC Potential

🚗 Motorize classic LEGO cars

🤖 Add movement to LEGO robots

🏙 Power simple LEGO train setups

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Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 1