Quick view APC Back-UPS BK650MC Battery - 6 Volt 12.0 Ah APC Back-UPS BK650MC Battery Replacement - 6 Volt 12.0 Ah *Please retain all connectors, fuses and covers to be reattached to new batteries. Voltage: 6 Volts Capacity: 12 Amp... MSRP: Was: Now: $60.00 Add to Cart Compare