The 48V 24-85-21 Hyster E50Z forklift battery is a 48-volt industrial power source optimized for medium-duty electric forklifts. As a lead-acid battery with approximately 850 Ah capacity, it provides 40.8 kWh total energy storage, supporting 6–8 hours of continuous operation in warehouse logistics. Compared to standard 48V forklift batteries, its modular cell design allows easier maintenance while maintaining 1,500+ charge cycles at 80% depth-of-discharge.
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What distinguishes the 24-85-21 battery configuration?
The “24-85-21” designation indicates 24 cells arranged for 48V output, with 85Ah per cell and 21mm terminal spacing. This unique cell stacking enables compact dimensions (L1020×W540×H620mm) compatible with Hyster E50Z battery compartments while delivering higher current density than conventional 48V packs.
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This configuration’s dual-voltage balancing system maintains ±0.5V cell variation during heavy loads, preventing premature capacity fade. A typical 8-hour shift consumes 70–75% capacity, requiring smart charging strategies. For example, Hyster’s recommended 48V/100A charger replenishes 80% charge in 4.5 hours. Pro Tip: Use temperature-compensated charging (3mV/°C/cell) to extend service life in extreme warehouse environments.
| Parameter | 24-85-21 | Standard 48V |
|---|---|---|
| Cycle Life | 1,500+ | 1,200 |
| Peak Current | 750A | 650A |
| Weight | 1,180kg | 1,300kg |
How does capacity compare to other Hyster batteries?
With 850Ah capacity at C5 rating, the 24-85-21 provides 15% more usable energy than Hyster’s standard 48V/740Ah packs. At 0.85C discharge rates, it maintains 48V±2V for 90% of discharge time versus 80% in legacy models.
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Compared to lithium alternatives, this lead-acid variant offers lower upfront cost ($29K vs $47K) but requires daily watering checks. Runtime analysis shows:
| Load | 24-85-21 | E50Z Lithium |
|---|---|---|
| 1,500kg @ 6km/h | 7.2h | 8.5h |
| 2,000kg @ 4km/h | 6.1h | 7.8h |
Redway Battery Expert Insight
How Much Does a Forklift Battery Weigh?
FAQs
Only with updated battery trays—the 24-85-21 requires 35mm additional clearance for ventilation vs older 48V packs. Always consult Hyster’s retrofit guide first.
What charger specifications are required?
Use 48V chargers with 80–120A output and automatic equalization. Underpowered (<60A) units increase sulfation risk by extending charge times beyond 8 hours.
