Varta Mempac 2V150H 24V 150MAH 1 STCK GALLUNOPTIMAL serves as a compact backup power module designed for systems that require reliable 24 V support in limited space. This unit targets applications where space constraints and stable voltage delivery are both critical, making it suitable for demanding environments.
Engineered with maintenance-friendly characteristics, this component integrates directly into existing power architectures without demanding complex setup procedures. The design emphasizes consistent performance, allowing engineers to incorporate it into devices that prioritize operational continuity.
| Model | Voltage | Capacity | Form | Primary Use |
|---|---|---|---|---|
| Varta Mempac 2V150H | 24 V | 150 mAh | Standard block | Backup and memory retention |
| Sealed construction | Lithium-based chemistry | Low self-discharge | Single stick unit | Plug-and-play installation |
| Operating temperature range | Mounting flexibility | Long cycle life under float | Galvanic isolation support | Suitable for industrial boards |
Power Backup Design Principles
Reliable power backup architecture depends on selecting cells that balance size, voltage, and runtime expectations. The 24 V configuration targets systems that require higher voltage rails, reducing current stress on traces and connectors. By maintaining a stable 24 V output, the module minimizes voltage fluctuations that could affect sensitive logic.
Memory retention in networking and industrial equipment often relies on small batteries capable of handling low, continuous loads. Engineers value predictable discharge curves, which allow for accurate modeling of hold-up time during main power interruptions. This predictability supports better system design and compliance with safety regulations.
Installation and Integration Guidelines
Proper integration begins with verifying the host system’s voltage and current requirements against the module’s specifications. The single stick form factor simplifies board layout, yet attention to polarity and mechanical clearance remains essential. Correct installation reduces stress on solder joints and prolongs overall reliability.
Environmental factors such as temperature and humidity also influence performance over the lifecycle. Mounting the module in well-ventilated areas helps maintain optimal operating conditions, avoiding premature aging caused by heat accumulation. Following recommended spacing and securing methods ensures both electrical and mechanical integrity.
Performance and Reliability Characteristics
Under typical float conditions, the cell preserves its charge efficiently, supporting long standby durations without frequent replacements. The lithium-based chemistry offers a balanced combination of energy density and cycle durability, suitable for equipment that remains powered for extended periods. These traits make the module a dependable element in critical power paths.
Real-world performance depends on load profile, temperature, and maintenance practices. Monitoring internal resistance and open-circuit voltage during inspections can reveal early signs of degradation. Scheduled checks help identify when replacement is necessary, supporting proactive maintenance strategies.
Technical Specifications and Compatibility
Confirming compatibility requires careful review of electrical characteristics, physical dimensions, and interface requirements. The outlined voltage, capacity, and form factor should align with existing board layouts and cooling arrangements. Matching these parameters reduces integration risks and supports smoother deployment.
| Parameter | Value | Condition | Test Method |
|---|---|---|---|
| Nominal Voltage | 24 V | Standard operating range | Measured at 20 °C |
| Capacity | 150 mAh | Rated at C/20 | 20 °C, stabilized load |
| Self-discharge | < 2 % per month | Room temperature, no load | Measured after 30 days |
| Cycle Life | > 1000 cycles | 80 % depth of discharge | Standard IEC stress test |
| Operating Temperature | -20 °C to +60 °C | Storage and function | Performance verified in cycles |
Operational Best Practices and Recommendations
- Verify polarity before connection to prevent reverse voltage damage.
- Keep the module within the recommended temperature range to maximize cycle life.
- Perform periodic voltage checks to monitor health over time.
- Use proper insulation and strain relief to avoid mechanical stress on terminals.
- Document installation date and expected replacement interval for maintenance planning.
FAQ
Reader questions
Can this battery be used in any 24 V device directly?
Compatibility depends on the device’s current draw and connector type; verify specifications match before installation.
How long can the module hold memory during a power loss?
Runtime varies with load, but the low self-discharge and stable voltage help maintain memory for extended outages.
Is soldering required for replacing an old unit?
Spring clip terminals may allow tool-free replacement, though some boards still require careful soldering.
What indicates that the cell needs replacement?
Frequent system resets during short outages or measurable voltage sag under float conditions suggest it is time to change the cell.