Give your air-purifying equipment a new lease of life with this battery from 3M. It juices up a powered air turbo respirator from the Versaflo TR-800 series. The battery lasts for four to eight hours between charges, meaning your kit stays up and running throughout the working day. When it's flat, you can recharge up to 90% of the capacity in under 3.5 hours, so you'll be back in business before you know it.

• Mechanical attachment keeps it in place to avoid sparking
• Built-in bumpers prevent fall damage
• 750 full charge or discharge cycles for long-term use

• Transportation systems
• Paint preparation
• Construction sites
• Welding

Yes, it comes with a charge level indicator, so you can stay on top of battery life.