UPS Lead Acid Symetra PX Battery Unit for PX Series APC Symetra The APC SYBTU1PLP is a hotswappable, userreplaceable battery module specifically designed for the APC Symmetra PX Series Uninterruptible Power Supply UPS systems. It utilizes Sealed Lead Acid SLA battery technology in a maintenancefree, spillproof design. This modular unit is crucial for ensuring system uptime by providing reliable power backup and allowing for quick, safe maintenance without interrupting power to critical loads. Compatibility. APC Symmetra PX Series UPSSpecifications. Series PX Series. Capacity 672 Vah. Form Factor Internal. Battery Life 4 to 6 Year. Battery Type Spillproof, Maintenancefree Sealed Lead Acid Hotswappable. Dimension 6.3 H x 4.2 W x 27.6 D. Weight 60 lbs