The Jungheinrich EFG 220 48V 24-85-13 battery is a lead-acid battery system designed for heavy-duty forklifts, with a nominal voltage of 48V and capacity likely around 85Ah. It features a 4-cell configuration (12V per cell) optimized for cyclic performance and industrial applications. Key specs include a deep-cycle design with corrosion-resistant alloy grids, centralized venting for safe gas expulsion, and AGM separators for vibration resistance. The battery operates across -15°C to 50°C and supports rapid charging with ≤1.5% monthly self-discharge. Pro Tip: Use matched 48V chargers with voltage stabilization to prevent plate sulfation during partial-state-of-charge cycling.
48V 200Ah Lithium Forklift Battery
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What voltage configuration does the 24-85-13 battery use?
The 24-85-13 designation indicates a 48V system comprising four 12V modules. The “85” likely references 85Ah capacity per cell, totaling 4.08kWh. This series configuration delivers the required voltage while maintaining compact dimensions for forklift compartments. Transitional Tip: Unlike lithium batteries, lead-acid configurations require periodic electrolyte checks due to gassing during charge cycles.
How does the charging system work?
Charging follows a three-stage lead-acid protocol: bulk (constant current), absorption (tapered voltage), and float maintenance. At 48V, the absorption phase typically peaks at 57.6V (±0.5V). Warning: Exceeding 2.4V per cell causes accelerated grid corrosion. Real-world Example: A fully discharged 85Ah battery requires 8-10 hours at 10% C-rate (8.5A) for safe recharging. Transitional Note: Thermal management is critical—every 10°C above 25°C halves battery life.
| Parameter | Spec | Lithium Equivalent |
|---|---|---|
| Cycle Life | 1,200 cycles @50% DoD | 3,000+ cycles |
| Energy Density | 30-40 Wh/kg | 110-150 Wh/kg |
What maintenance is required?
Water topping remains crucial—distilled water replenishment compensates for electrolysis losses. Monthly checks should include terminal cleaning (baking soda solution for corrosion) and torque verification (8-12 Nm for M8 terminals). Pro Tip: Use load testers quarterly to identify weak cells before capacity plunges. Transitional Reminder: Equalization charges every 10 cycles prevent stratification in flooded lead-acid variants.
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Redway Battery Expert Insight
FAQs
Yes, but verify controller compatibility—lithium’s voltage curve differs significantly. Our 48V lithium systems include voltage-matching BMS for drop-in replacements.
How to interpret “24-85-13”?
Likely denotes cell arrangement (24 cells), nominal capacity (85Ah), and design revision (13). Confirm through OEM datasheets for exact interpretation.
