What Is Battery 18-85-17-a, 36V 680Ah For Forklift?

The Battery 18-85-17-a, 36V 680Ah is a high-capacity lead-acid or lithium-ion battery designed for industrial forklifts. Operating at 36 volts with 680 ampere-hours (Ah) capacity, it provides extended runtime for medium-to-heavy-duty material handling equipment. These batteries typically utilize deep-cycle technology to withstand frequent discharges and recharge efficiently. Proper maintenance, including regular watering (for flooded lead-acid types) and temperature-controlled charging, ensures optimal performance and lifespan exceeding 1,500 cycles in industrial environments.

How to Jumpstart a Forklift Safely and Effectively

Table of Contents

Wholesale lithium golf cart batteries with 10-year life? Check here.

Toggle

What applications use 36V 680Ah forklift batteries?

36V 680Ah batteries power Class I-III electric forklifts handling 3–5 ton loads in warehouses, distribution centers, and manufacturing plants. Their high energy density supports 8–10 hour shifts without mid-day charging, ideal for multi-shift operations with opportunity charging compatibility.

Beyond basic voltage requirements, 680Ah capacity becomes critical for high-throughput environments. For example, a forklift moving pallets across 100,000 sq.ft facilities benefits from reduced battery swaps—a single charge cycles through 500+ lifts. Pro Tip: Always verify battery dimensions (typically L1000xW500xH600mm for this capacity) to ensure compartment compatibility. Thermal management proves crucial too; lithium-ion variants maintain stable performance in -20°C to 60°C ranges, unlike lead-acid’s narrower 5°C–40°C tolerance. Transitioning from 36V 500Ah units? Expect 30% longer runtime but 18% increased weight—reinforce battery handling equipment accordingly.

How does 680Ah compare to standard forklift batteries?

Standard 36V forklift batteries typically range 450–600Ah, making the 680Ah capacity a 13–50% upgrade. This extended capacity translates to 22 kWh energy storage versus 16–21 kWh in standard units, enabling longer operational periods between charges.

Practically speaking, a 680Ah battery reduces daily charge cycles from 2–3 to 1 in most applications. Consider a warehouse using 500Ah batteries: operators must swap batteries midday, causing 90+ minutes downtime. The 680Ah solution eliminates this interruption through optimized C-rate discharge—0.5C vs. 1C in smaller units reduces heat generation. Warning: Chargers must match the Ah rating; using 500Ah chargers on 680Ah batteries extends charge times 36% and risks under-charging. Transitional phrase: While capacity matters, don’t overlook ventilation—680Ah lead-acid batteries release 15% more hydrogen during charging than 500Ah models, requiring upgraded ventilation systems.

Want OEM lithium forklift batteries at wholesale prices? Check here.

What maintenance does a 36V 680Ah battery require?

Maintenance protocols vary by chemistry: lead-acid demands weekly water refills and terminal cleaning, while lithium-ion needs monthly SOC checks and firmware updates. Both require clean, dry storage environments below 80% humidity to prevent corrosion.

For flooded lead-acid models (common in 680Ah capacities), electrolyte levels must stay 6–8mm above plates. Deionized water replenishment should occur post-charge when electrolyte expands. Real-world example: A logistics center using 40 units reduced water top-up labor 70% by installing automatic watering systems. Pro Tip: Use insulated tools when servicing—a dropped wrench across terminals can deliver 18,000+ amps, instantly welding metal components. Transitional phrase: Beyond physical maintenance, data monitoring proves critical—cloud-connected BMS in lithium variants predict capacity fade within 2% accuracy, enabling proactive replacement planning.

Redway Battery Expert Insight

FAQs

How to Choose and Maintain Doosan Forklift Batteries Effectively

What is a Battery 18-85-17-a, 36V 680Ah used for?
The 18-85-17-a battery is designed for industrial electric forklifts and material-handling equipment. With 36 volts and 680Ah capacity, it provides consistent, long-lasting power for medium- to heavy-duty operations.

What do the numbers 18-85-17 mean on a forklift battery?
In the code 18-85-17, “18” represents 18 cells (2 volts each = 36V), “85” indicates plate capacity in ampere-hours, and “17” means each cell contains 17 plates. This configuration determines the battery’s voltage and capacity.

What are the typical dimensions and weight of a Battery 18-85-17-a?
This 36V battery usually measures around 38 inches long, 20 inches wide, and 23 inches high, with a weight of approximately 2,100 pounds. Exact size may vary slightly by manufacturer or battery type.

Is the Battery 18-85-17-a available in lithium and lead-acid versions?
Yes, the 18-85-17-a model is available in both lead-acid and lithium-ion options. Lithium versions offer faster charging, longer lifespan, and lower maintenance, while lead-acid types are cost-effective and widely used.

What forklifts are compatible with a 36V 18-85-17 battery?
This battery fits many 36V electric forklifts, including models from Crown, Hyster, Yale, and Toyota. Compatibility depends on tray size and connector type, so always verify specifications before purchase.

How long does a 36V 680Ah forklift battery last per charge?
A fully charged 18-85-17 battery typically powers a forklift for 6–8 hours under moderate use. Runtime varies based on load, driving conditions, and battery age or chemistry type.

What maintenance does a lead-acid 18-85-17 battery require?
Regular maintenance includes checking electrolyte levels, adding distilled water after full charging, cleaning terminals, and ensuring proper ventilation during charging to prevent overheating and extend battery life.

Does Redway Power offer lithium alternatives to the 18-85-17 battery?
Yes, Redway Power manufactures LiFePO4 forklift batteries compatible with 36V systems. These alternatives deliver higher efficiency, faster charging, and a longer service life compared to traditional lead-acid batteries.