The company's custom pc-board battery packs feature special brackets or stand-offs that piggyback existing circuit boards, eliminating the need for retooling of the circuit board. Incorporating battery shapes and chemistries based upon user specification, battery packs can be made using a variety of standard battery shapes including prismatic, cylindrical coin and button cells. Available chemistries include nickel metal hydride, lithium-ion, and LMNO2. Price is based on configuration, chemistry and quantity. GENERATION ELECTRONICS, INC., Lowell, MA. (800) 441-2833.