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Bolder Tech patented Thin Metal Film (TMF) technology is a breakthrough in portable engine starting applications for the auto and marine industries.

Bolder's batteries out performs the competition and have set new performance standards including:
High power
Low internal Resistance
compact size
Light-weight
Fast recharge
Fast response (discharge)
Superior low temperature performance
Easy to recycle

TMF® batteries provide 8 to 10 times the starting power of conventional lead acid batteries in a smaller space and has more starting power than conventional batteries but weigh 6 times less and is 6 times smaller.
Greater surface area to generate electricity using:
Spiral wound thin lead film (0.05mm); and
A continuous end-cap cast-on connector
Based on proven lead acid technology
  US PATENT # 5,047,300
  1. Thin Positive Plate
2. Thin Negative Plate
3. Separator
4. Offset

  US PATENT # 5,198,313
  5. Cast On Connector
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