For wireless microphones, and really anything that requires serious staying power from batteries, let ProCell be your first choice. Broadcasters, Stage Managers and Theatres all around the world depend on the battery that gives them maximum output for as long (and consistently) as possible. Factory Sound keeps huge volumes of Procell batteries in stock, so you always get great bulk-buy pricing, all year round. PROCELL is made by Duracell - it's their professional user model, high on voltage...low on packaging.
Duracell PROCELL AA The pro AA battery with serious staying power Our Price: $1.00Duracell PROCELL 9V The pro 9V battery with serious staying power Our Price: $3.50Duracell PROCELL AA CTN260 Carton of 260 Procell AA Batteries Our Price: $177.00Duracell PROCELL AA-4 Sleeve of 4 Procell AA Batteries Our Price: $3.00