The Electro-Voice RE3-ACC-BC2 is a fantastic two-sided, two-slot battery charging station. It's designed to recharge optional NiMH rechargeable cells in both the RE3-HHT and RE3-BPT transmitters. Key features include a 2-slot design, the ability to charge RE3-HHT and RE3-BPT transmitters with rechargeable cells, and a quick 3-hour charging time. Technical specs: Input is DC 12V, 1A or AC 100 - 240V, 0.5A. There are 2 slots per side. When fully charged or on standby, it shows a solid green light. While charging, it flashes green. A flashing red light indicates a fault. It takes 3 hours to charge four 2000mAh NiMH rechargeable cells. Output is DC 12V, 1A. It's black in color, with dimensions of 6.5 inches (165 mm) in length, 3.94 inches (100 mm) in width, and 2.8 inches (71 mm) in depth. The net weight is 1lb 2 oz. (512 g) and the gross weight is 1lb 4.6 oz. (640 g).

Using the Electro-Voice RE3-ACC-BC2 charger is easy. First, make sure the charger is plugged into a suitable power source, either a DC 12V, 1A or an AC 100 - 240V, 0.5A outlet. Then, place the RE3-HHT or RE3-BPT transmitters with NiMH rechargeable cells into the two slots. You'll see a flashing green light, which means the charging process has started. It'll take about 3 hours to fully charge four 2000mAh NiMH rechargeable cells. When the light turns solid green, the batteries are fully charged. For safety, always check the power input before plugging in the charger. Don't expose the charger to water or extreme temperatures. To keep it in good condition, clean it regularly with a dry cloth. If you see a flashing red light, there might be a problem, so stop using it and check for any issues.