Altronix ReServ24B provides redundancy and rapid charging of back-up batteries. It is perfect for critical applications where constant power isn’t available (switched power) or faster battery charging is required. ReServ24B supports two (2) 24VDC power supplies and automatically transfers from the first power input to the secondary without delay, ensuring that system security is maintained. When power is restored, it’s routed to the devices first power input and any excess is used to rapidly recharge the batteries. ReServ24B can be added to any existing or new security/access system to keep systems operating.