Concorde Battery's STC with installation approvals for new turbine engine starting RG-442 and temp sensor TS-C4 replacements provide a lower cost per hour option on Embraer 135/145 models. Concorde's VRLA technology is recognized for quality and performance over nickel cadmium battery technology at a fraction of the price. The Concorde VRLA offers maintenance free operation without deep cycling or water replenishment. The RG Series batteries are excepted from Hazardous Materials regulations, an additional benefit for less expensive transport costs via air, land, or sea. Concorde Batteries are individually tested at the factory and shipped charged, ready to install upon delivery, improving aircraft readiness. For more information call (626) 813-1234 or visit www.concordebattery.com.