The 24-85-13-B battery is a high-performance power storage solution designed for industrial and commercial applications. With a 24V nominal voltage and 85Ah capacity, it delivers robust energy output for demanding equipment like UPS systems, telecommunications infrastructure, and emergency power supplies. Key features include maintenance-free operation, extended cycle life (10+ years under proper conditions), and spill-proof design. Built with advanced lead-acid chemistry and multi-layer terminal seals, it ensures reliable performance in temperatures ranging from -15°C to 45°C. Pro Tip: These batteries maintain ≤1% monthly self-discharge—ideal for backup systems requiring long-term readiness.
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What voltage range does the 24-85-13-B operate within?
Designed for 24V systems, this battery functions optimally between 21.6V (fully discharged) and 26.4V (absorption charge). Unlike standard 12V units, the doubled voltage allows efficient power transfer for heavy loads while minimizing current-related energy losses. Deep Dive: Engineers achieve this through 12-cell lead-acid architecture—each 2V cell operates within 1.8–2.2V parameters. Critical applications like data-center UPS require tight voltage regulation; 24-85-13-B batteries maintain ±1% deviation under 80% depth-of-discharge. For perspective, a 24V 85Ah battery stores 2.04kWh—equivalent to powering a 100W server rack for 20 hours during outages. Pro Tip: Use compatible 24V chargers with temperature compensation to prevent overvoltage during seasonal changes.
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How does capacity affect runtime in industrial applications?
The 85Ah rating determines energy reserves, directly impacting operational uptime during grid failures. Deep Dive: At 24V, this translates to 2.04kWh usable energy (factoring in 80% safe discharge threshold). For telecom towers drawing 500W continuously, this provides 3.26 hours of backup—15% longer than standard 75Ah industrial batteries. Advanced plate design using corrosion-resistant lead-calcium alloys maintains capacity through 1,200+ cycles. Real-world example: Three paralleled 24-85-13-B units power a hospital’s MRI cooling system for 8 hours during outages. Table below compares runtime across common loads:
| Load (Watts) | Runtime | Peak Current |
|---|---|---|
| 300 | 6.8h | 12.5A |
| 600 | 3.4h | 25A |
| 1200 | 1.7h | 50A |
What maintenance features distinguish this battery?
24-85-13-B batteries eliminate routine upkeep through valve-regulated (VRLA) design and recombinant electrolyte. Deep Dive: Oxygen recombination efficiency exceeds 99%, preventing water loss even during 28.8V equalization charges. Unlike flooded batteries requiring monthly checks, these units employ pressure-relief valves that reseal after venting excess gas during overcharge scenarios. Maintenance intervals stretch to 3-5 years—six times longer than conventional units. Pro Tip: Despite being “maintenance-free,” always clean terminals biannually with baking soda solution to prevent corrosion-induced voltage drops.
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How does temperature tolerance impact deployment?
With -15°C to 45°C operational range, these batteries adapt to extreme environments—from frozen warehouses to desert solar farms. Deep Dive: At -15°C, capacity reduces to 65% but maintains cranking current for diesel generators. Above 40°C, built-in thermal sensors trigger charging voltage reductions (3mV/°C/cell) to prevent thermal runaway. Real-world example: Oil rigs use 24-85-13-B batteries in unvented equipment rooms where ambient temperatures reach 50°C—specialized AGM separators prevent electrolyte stratification under heat stress.
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What safety mechanisms prevent failures?
Three-tier protection includes flame-arresting vents, short-circuit resistant separators, and anti-arc terminal covers. Deep Dive: The UL94-V0 rated ABS casing withstands 10J impacts without cracking—crucial for vibration-heavy industrial settings. Internal thermal fuses disconnect at 85°C, while staggered plate alignment prevents warping during deep discharges. For nuclear facilities, optional double-sealed terminals provide IP67 protection against conductive dust ingress. Table compares safety features:
| Feature | 24-85-13-B | Standard Industrial |
|---|---|---|
| Case Rating | UL94-V0 | UL94-HB |
| Vent Design | Flame arrestor | Open vent |
| Terminal Protection | IP67 | IP44 |
Redway Battery Expert Insight
FAQs
No—using voltage converters causes 15-20% energy loss. Rewire two 12V batteries in series instead for optimal efficiency.
What’s the recharge time after full discharge?
Approximately 8 hours using 10A charger. Bulk charging at 25.2V (14.4A) restores 80% capacity in 4 hours for urgent scenarios.
Do these batteries require special disposal?
Yes—lead-acid units mandate EPA-certified recycling. Many suppliers offer core return programs with $15–$20 credit per battery.
