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Rectangular nickel-zinc battery pack, green label, 75 by 53 by 50.8 mm

Cameron Sino M668 DD-0668003 2000mAh 6.0V vacuum accessory

SKU CH-2N33-7SC2E

A 2000 mAh 6.0 V nickel-zinc replacement battery for Dirt Devil M668 vacuums

  • Battery pack size75 × 53 × 50.8 mm
  • Battery typeNickel zinc
  • Battery capacity2,000 mAh
  • Battery voltage rating6 V AC
  • Details75 × 53 × 50.8 mm
  • Product typeNickel zinc
  • Compatible with Dirt Devil M668 and DD-0668003 models
  • 2000mAh capacity at 6.0V provides reliable runtime
  • Nickel-zinc chemistry with 12.00Wh energy rating
  • Compact 75.00 x 53.00 x 50.80mm form factor
  • ISO9001, RoHS and CE certified for safety

Replacement Battery for Dirt Devil M668

This nickel-zinc battery pack replaces the original Dirt Devil DD-0668003 cell in the M668 handheld vacuum. It delivers 2000mAh capacity at 6.0 volts and matches the 75.00 x 53.00 x 50.80mm form factor. The fully decoded chip communicates with the vacuum electronics exactly like the factory unit. Installers report straightforward fitment using widely available online guides.

Sustained Runtime and Protection

The 12.00Wh energy rating supports extended cleaning sessions rather than brief bursts. Integrated circuitry guards against overcharge, over-discharge, over-voltage and short-circuit events during continuous draw. A new pack reaches its fullest runtime after two or three complete charge and discharge cycles. The 169.0g mass keeps the vacuum balance unchanged during prolonged use.

Nickel-Zinc Chemistry Limits

Nickel-zinc cells operate at a nominal 6.0 volts and must not be charged with low-quality third-party adapters that can shorten service life. Storage above 60 Celsius (140 Fahrenheit) is prohibited, as is disassembly or disposal in fire or water. The pack carries ISO 9001, RoHS and CE certifications confirming compliance with recognized safety and environmental standards.

How it compares

Measured against everything we stock in Vacuum Parts & Batteries, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 60% of the 131 comparable items (median $26.99).

Specifications

Product
Brand nameCameron Sino
Model nameM668
Part numberDD-0668003
Product typeNickel zinc
Power
Battery typeNickel zinc
Battery capacity2,000 mAh
Battery voltage rating6 V AC
In the box
Battery pack size75 × 53 × 50.8 mm

Questions about this item

Does the 6.0 V nickel-zinc pack generate noticeable heat during a full day of cleaning?

The 2000 mAh nickel-zinc chemistry runs cool under normal vacuum loads; the pack includes over-charge, over-discharge and short-circuit protection that limits temperature rise during extended use.

What must I already own for this DD-0668003 battery to work in my machine?

You need a Dirt Devil M668 vacuum that accepts the original DD-0668003 pack; the replacement slides into the same compartment and uses the existing connector.

Will this 75.00 x 53.00 x 50.80 mm pack fit the older M668 chassis I have been using for years?

Yes — the dimensions match the original battery exactly, and the fully decoded chip communicates with the vacuum’s electronics just like the factory unit.

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