Midac OPzSblock
Last updated: 3 November 2026
Battery and charging
- Boost voltage it applies
- 2.35 – 2.45
- Float voltage it applies
- 2.22 – 2.23
- How fast it loses charge sitting idle
- less than 4%/month at 20 °C
Row from the maker’s page: “Boost voltage” | “2.35 – 2.45 Vpc”
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
Row from the maker’s page: “Float voltage” | “2.22 – 2.23 Vpc”
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
“Self-discharge: less than 4%/month at 20 °C (68 °F)”
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
Battery care and safety
- Operating temperature range
- -10 to +60 °C
Row from the maker’s page: “Operation” | “-10 to +60 °C”
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
Size and fit
- Terminals
- d.24 mm with M10 threaded insert
“Terminals d.24 mm with M10 threaded insert in lead-plated copper”
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
Sources
- Archived document
Source: midacbatteries.com/wp-content/uploads/2026/02/SPE-OPzS-BLOCK_STANDBY_EN-01_2023-5013998-0205-00.pdf
Retrieved November 2, 2026