• Power Functions battery box and motor, brick-built battle-scene diorama

Power Functions Rechargeable 7.4V 900mA Lithium Battery Box with Charging Cable

Rechargeable Lithium Battery Box 🔋⚡

🔋 7.4V 900mA Power — rechargeable lithium battery for motorized builds.

🔌 Charging Cable Included — ready to power up right out of the box.

⚡ No Disposables — recharge and reuse for repeated builds.

🔩 Power Function Compatible — works with major building block power systems.

Rechargeable power, ready when your build is.
Power Functions Rechargeable 7.4V 900mA Lithium Battery Box with Charging Cable

$39.99

Recharge the build. Keep it moving.

Power motorized vehicles, machines, trains, and custom building-block projects with a rechargeable 7.4V 900mA lithium battery box.

What's Included

  • One rechargeable 7.4V 900mA lithium battery box
  • One charging cable

Product Details

  • Voltage: 7.4V
  • Capacity: 900mA
  • ABS plastic housing
  • Rechargeable with the included cable

Compatibility

Designed for compatible power-function building systems. Check the connector shown in the product photos against your existing components before ordering.

Your Collection Needs Some Company

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Build Your Mini World

Every fig, every theme. All brick-compatible.

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Gear Up

Weapons, tools, and props that make the scene real.

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Look at this dude

What battle will you take him into? Printed sharp, armed, and ready to snap into your build. Grab one, or raise the whole army.

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History in Brick

WWII, Civil War, and the armies that made it. Build the scene.

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Build To Last

Made from durable, non-toxic ABS — the same material trusted in real building sets. Real clutch that snaps, grips, and holds through years of handling.

Fits What You Own

Compatible with every major brick brand. No adapters, no workarounds. Pop it onto your existing build the second it arrives.

90-Day Guarantee

We offer a hassle-free returns policy to ensure you're fully satisfied. If it doesn't fit or hold up, simply return it within 90 days for a full refund.

Are these compatible with my Lego collection?

They are major-brick compatible! Should fit just fine.

What happens if I don't like it?

We accept returns on all unopened items!

How fast is shipping?

Most orders ship within 24-48 hours. Then standard shipping times.

What's the returns policy?

You can return your unopened items for a full refund within 90 days of your purchase!

Testimonials

  • I was three figures short of finishing a diorama I'd been working on for months. Couldn't find the pieces anywhere reasonable. Brick Bros had exactly what I needed. fit perfectly, finished the scene the same week it arrived.

    Marcus
    Director, Company name

  • My son wanted a whole squad and the brand-name versions would've cost a fortune. These were a fraction of the price, snapped right onto his existing sets, and I didn't have to worry about the material. He hasn't put them down.

    Sarah K
    Director, Company name

  • Ordered in bulk expecting cheap plastic. Got solid ABS, perfect clutch, fair price. Already reordered twice.

    Johnny
    Director, Company name

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