The Yale ERC050 30 48V 24-85-19 forklift battery is a 48-volt industrial battery designed for heavy-duty material handling equipment. With a capacity of 850 Ah (based on the 24-85-19 designation), it uses lithium iron phosphate (LiFePO4) chemistry for 2,000+ cycles at 80% depth of discharge. Typical weight ranges from 480-520 kg, optimized for Class III forklifts requiring sustained 6-8 hour shifts. Charging voltage reaches 54.6V (3.65V/cell) with temperature compensation between 0-45°C. Dimensions generally align with standard 24″ x 19″ battery compartments.
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What is the energy capacity of the 48V 24-85-19 battery?
This battery delivers 40.8 kWh (48V × 850Ah), supporting continuous 18-21 kW loads. Pro Tip: Monitor state of charge (SOC) between 20-90% to prevent capacity fade.
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Energy calculations derive from the 24-85-19 nomenclature—85Ah per cell group across 6 series connections (48V). For example, warehouse forklifts using this battery achieve 4-5 hours runtime with 3,000 lb lifts. Transitioning to lithium-ion, the energy density doubles compared to lead-acid equivalents. Proper thermal management ensures stability during rapid 1C charging (0-100% in 1 hour). But how do you maintain peak efficiency? Regular cell balancing through the BMS prevents voltage divergence beyond ±50mV.
What chemistry does this Yale battery use?
It employs LiFePO4 cells with nickel-plated steel housings, operating at -20°C to 60°C. Cycle life exceeds 2,000 cycles at 25°C ambient temperatures.
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LiFePO4 chemistry provides thermal runway resistance above 270°C vs. NMC’s 210°C threshold. In cold storage applications, self-heating systems maintain electrolyte conductivity down to -15°C. For instance, a Yale ERP050 truck using this battery retains 82% capacity after 5 years of 3-shift operation. Pro Tip: Use factory-approved chargers—third-party units lacking OCV calibration can overcharge by 0.5V, triggering safety cutoffs. What’s the trade-off? LiFePO4’s energy density (120-160 Wh/kg) lags behind NMC, but safety justifies the compromise in industrial settings.
| Parameter | LiFePO4 | Lead-Acid |
|---|---|---|
| Cycle Life | 2,000+ | 500-800 |
| Charge Efficiency | 98% | 80% |
What are the physical dimensions and weight?
Typical dimensions measure 24″ L × 19″ W × 28″ H with a 495 kg (±3%) mass—35% lighter than equivalent lead-acid packs.
The compact design fits standard battery trays while reducing forklift counterweight needs by 18%. For example, replacing a 1,200 lb lead-acid battery with this lithium unit improves lift capacity by 150-200 lbs. Transitionally, operators notice better maneuverability due to the 22% weight reduction. Always verify compartment clearances—some older forklifts require 1-2″ spacer kits for proper fitment. Pro Tip: Use lifting equipment rated for 600+ kg when installing—the concentrated mass demands OSHA-compliant handling.
What charging infrastructure is required?
Use 48V LiFePO4-specific chargers delivering 50-100A with CAN bus communication for adaptive voltage control (54.6V max).
Chargers must comply with UL 1564 standards, featuring IP54 splash resistance for warehouse environments. Opportunistic charging during breaks extends runtime—partial 20-minute charges add 2-3 operational hours. For example, a Delta-Q IC650 charger completes 20-80% charges in 40 minutes with 92% efficiency. Warning: Analog chargers without temperature sensors risk overcharging cells by 0.3V in hot conditions. Why risk it? Mismatched charppers cause accelerated anode breakdown, voiding the 5-year performance warranty.
| Charger Type | Charge Time (0-100%) | Efficiency |
|---|---|---|
| 50A Standard | 105 mins | 93% |
| 100A Fast | 52 mins | 88% |
How does temperature affect performance?
Operational range spans -20°C to 60°C, with optimal discharge between 15-35°C. Capacity drops 12% at -10°C without heating systems.
Built-in thermal pads maintain cell temperatures above 0°C in freezers through 200W resistive heating. For instance, cold storage facilities using ERC050 batteries report 18% longer runtime when preheating to 10°C before shifts. Transitionally, high temperatures above 45°C activate cooling fans drawing 0.5A from the pack. Pro Tip: Install ambient temperature monitors—every 5°C above 35°C reduces cycle life by 250 cycles. What’s the solution? Active liquid cooling systems maintain <5°C inter-cell differentials during summer peaks.
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FAQs
Yes, with voltage-compatible controllers—retrofit kits adjust mounting points and include 48V-12V DC converters for legacy systems.
What’s the typical lifespan in multi-shift operations?
7-10 years with 2,000 cycles, assuming 1.5 daily charges and maintained below 35°C operating temperatures.
