Offering wall, chassis, and PCB mounting accommodations, the BK-6089 holds six AA batteries in series, delivering a 9V output. Offering wall, chassis, and PCB mounting accommodations, the BK-6089 ...

AA Battery Holders Include Retainer Strap. March 9, 2010. the BK-6100-PC4 features a hard retainer plastic strap that keeps batteries in place and offers easy battery changes without the use of tools.