The Siemens 6ES7798-0AA01-0XA0 is a replacement battery for the SIMATIC PG 720 P programming device with Pentium processor. It keeps the real-time clock and SRAM-backed memory alive when the unit is powered down — without it, the PG forgets its program and time on every power cycle.
Siemens 6ES7798-0AA01-0XA0 SIMATIC PG Battery, Mature Lifecy
MPN6ES7798-0AA01-0XA0
Siemens SIMATIC PG replacement battery, 6ES7798-0AA01-0XA0, for PG 720 P with Pentium, mature lifecycle stage.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
What device does this battery fit?
It is the replacement battery for the SIMATIC PG 720 P programming device with Pentium processor. It powers the RTC and memory backup circuit.
How do I source this battery?
Because it is a mature-lifecycle part, it is sourced to order against an RFQ through independent supply channels. No standard lead time applies; availability depends on current surplus stock.
MPN
6ES7798-0AA01-0XA0