The Panasonic LCR12V72 battery is a 12V 7.2Ah lead-acid battery designed for backup power and emergency applications. As part of Panasonic’s LC-R series, it features maintenance-free operation with valve-regulated technology, making it suitable for UPS systems, emergency lighting, and security devices. Its compact dimensions (~151x65x94mm) and terminal design ensure compatibility with standard equipment racks. The battery utilizes absorbent glass mat (AGM) technology for spill-proof operation and delivers up to 300+ discharge cycles at 50% depth-of-discharge. With a typical 3–5-year service life, it meets CE and RoHS certifications for commercial use.
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What are the technical specifications of the LCR12V72?
This 12V sealed lead-acid battery provides 7.2Ah capacity (20hr-rate) with a 12.5kg weight. It supports ≤0.9mA self-discharge monthly and operates in -15°C–40°C. Pro Tip: Use Panasonic-recommended chargers with 13.6–13.8V float voltage to prevent sulfation.
Key parameters include a 0.9C10 internal resistance and 3ms transient response for sudden load changes. Practically speaking, the AGM separator ensures oxygen recombination efficiency >99%, minimizing water loss. For example, in fire alarms, it can sustain 72-hour standby with ≤0.5W quiescent draw. Warning: Avoid inverted mounting—electrolyte stratification reduces capacity by 15–30% in vertical installations.
| Parameter | LCR12V72 | Generic 12V7Ah |
|---|---|---|
| Cycle Life (50% DoD) | 300+ | 150–200 |
| Self-Discharge/Month | ≤3% | 5–8% |
| Operating Temp | -15°C–40°C | 0°C–40°C |
Where is the LCR12V72 commonly used?
Deployed in mission-critical backup systems, this battery powers emergency exit signs, CCTV networks, and telecom base stations. Its vibration resistance (IEC 61427) suits industrial UPS applications.
Beyond standard backup roles, the LCR12V72 excels in environments requiring low-maintenance reliability. Solar gate operators benefit from its deep-cycle tolerance, while medical carts use it for mobility systems. Did you know hospitals prioritize these batteries for defibrillator cabinets due to their consistent 0.1C5 discharge rates? A real-world example: 12 units parallel in a 500W server rack provide 4-hour runtime during outages. Transitioning to maintenance, quarterly voltage checks (+13.2V) and terminal cleaning prevent premature failures.
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FAQs
Yes, but limit daily depth-of-discharge to 30%—deeper cycles below 12.1V accelerate capacity fade in lead-acid chemistries.
How to store unused LCR12V72 batteries?
Keep at 20°C with 13.2V float charge. Storing below 12.6V for >6 months causes irreversible sulfation damage.
