Bulk buy these Wholesale Duracell Procell MN1604 batteries in bulk boxes of 50 batteries. The outer boxes contain 5 boxes of 10. This Duracell Procell MN1604 battery replaces 9V PC1604 6LR61 E-BLOCK 4022 6LF22 1604A PP3. The Procell range from Duracell is a long lasting alkaline battery range, bulk packed, so ideal for using direct in equipment. Ideal for smoke alarms, radio microphones, paint ball guns and wireless equipment. Duracell Procell Bulk Buy Specialists.