Check the listing for details. MSA OptimAir TL - Extended-Life Replacement Battery 64.5wh -Battery Only. Condition: New. Listed at 129.89 USD. MSA OptimAir TL - Extended-Life Replacement Battery 64.5wh -Battery OnlyCome with battery only does not come with charger. SKU: MS10076109MPN: 10076109 Product Details Get the maximum work out of your respirator with the extended-life battery for OptimAir TL PAPR. MSA 10076109 is a 14.4 volt (nominal) lithium ion (Li-Ion) battery pack. MSA OptimAir TL PAPR with a fully charged extended life battery and new cartridges should operate for a minimum of eight hours, depending on the conditions in which it is used. For charging the extended life battery pack only MSA battery charger 10076107 can be used. Features of MSA OptimAir TL Extended-Life Replacement Battery: 14.4 volt lithium ion (Li-Ion) battery pack Offers extended battery life - at least eight hours of operation Only MSA extended life battery charger can be used for charging this battery; it is sold separately Specifications