The 12-085-07-482AHL-B-Group battery is a 48V lithium-ion pack with 85Ah capacity, designed for commercial equipment requiring high-cycle durability. Using LiFePO4 chemistry, it operates efficiently in -20°C to 60°C ranges and supports 4,000+ cycles at 80% DoD. Its modular design integrates advanced BMS for thermal protection and cell balancing, ideal for forklifts, AGVs, and telecom backup systems. Charging voltage peaks at 54.6V (2C rate).
48V 450Ah/456Ah Forklift Lithium Battery
What voltage and capacity define the 12-085-07-482AHL-B-Group?
This battery operates at 48V nominal voltage with an 85Ah rated capacity, delivering 4.08kWh energy. Designed for high discharge needs (up to 170A continuous), it suits industrial applications demanding sustained power. Pro Tip: Always verify voltage compatibility with equipment—48V systems often replace legacy lead-acid setups but require updated charging protocols.
With a nominal voltage range of 46.4V–54.6V, the 12-085-07-482AHL-B-Group maintains stable output even under heavy loads. Its capacity is tested at 0.5C discharge rates (42.5A) to 80% DoD, ensuring reliability over 4,000 cycles. Practically speaking, this means 6–8 hours runtime for a 5kW forklift. But why does capacity matter more than raw voltage? Because energy density determines operational uptime—critical in warehouse logistics. For example, a single charge supports 8–10 hours of AGV operation in distribution centers. Pro Tip: Use adaptive charging (temperature-compensated) to maximize capacity retention in cold environments.
What chemistry and design enhance its performance?
Built with LiFePO4 (LFP) cells and modular architecture, this battery offers superior thermal stability versus NMC. Its 1P16S configuration balances energy density (125Wh/kg) with 200A peak discharge, while IP65 casing protects against dust/water ingress.
LiFePO4’s flat discharge curve ensures consistent voltage delivery, unlike NMC’s steep decline. The design includes 16 cell modules connected in series, each with independent voltage monitoring. But what happens if one cell fails? The BMS isolates it, maintaining 90%+ system functionality. For instance, Tesla’s Powerpack uses similar redundancy but costs 3x more. Key specs: 600mm x 450mm x 220mm dimensions, 55kg weight. Pro Tip: Avoid stacking batteries beyond OEM limits—heat dissipation drops 30% per additional layer.
Feature |
12-085-07-482AHL-B |
Lead-Acid Equivalent |
Cycle Life |
4,000+ |
500–1,200 |
Charge Time |
2–3 hrs |
8–10 hrs |
Energy Density |
125Wh/kg |
30–40Wh/kg |
Where is this battery commonly used?
Predominantly deployed in electric forklifts and automated guided vehicles (AGVs), its rugged design suits demanding environments like cold storage (-20°C) or construction sites. Compared to 24V systems, 48V reduces current by 50% for the same power, minimizing heat buildup.
Beyond warehousing, telecom towers use it for backup during outages due to its 10-year calendar life. Real-world example: A logistics hub replaced 40 lead-acid batteries with 12-085-07-482AHL-B units, cutting energy costs by 60% and maintenance by 75%. Pro Tip: For hybrid solar-storage setups, pair with 48V inverters for seamless integration.
⚠️ Warning: Never mix with lead-acid batteries in series—voltage imbalances cause premature BMS shutdowns.
What charging specifications apply?
Requires 54.6V CC-CV chargers (max 100A) with CAN bus communication. Fast charging (1.5C) achieves 80% SoC in 45 minutes but increases cell degradation by 15% over 2,000 cycles.
The BMS enforces 2.5V–3.65V per cell limits. Charging efficiency stays above 95% at 25°C but drops to 85% at -10°C. For perspective, a 20A charger fills the 85Ah pack in ~4.5 hours. Why prioritize smart chargers? Because passive balancing during CV phase corrects minor cell mismatches. Pro Tip: Schedule equalization charges monthly if packs show >5% SoC variance.
Parameter |
Value |
Max Charge Current |
170A |
Termination Voltage |
54.6V |
Float Voltage |
53.6V |
How does safety and BMS integration work?
Its 3-layer BMS monitors overcurrent, temperature, and cell voltage, disconnecting loads at 65°C or ±20% voltage deviation. UL1973 and UN38.3 certifications ensure transport/storage compliance.
The BMS integrates a precharge circuit to limit inrush currents when connecting to motor controllers. Imagine plugging in a high-capacity battery without precharge—it’s like opening a dam gate suddenly, risking component arcing. Pro Tip: Always enable BMS self-test modes during installation—skipping this can mask latent faults.
How does it compare to similar batteries?
Outperforms 48V 100Ah NMC packs in cycle life (4,000 vs 2,500) but has 15% lower energy density. Against lead-acid, it’s 60% lighter with 3x faster charging.
Competitor example: The EcoFlow DELTA Pro 48V offers similar voltage but focuses on portability, lacking industrial-grade BMS. For forklifts, the 12-085-07-482AHL-B’s 170A discharge surpasses most 100Ah competitors limited to 150A. Pro Tip: Prioritize cycle life over peak current if equipment operates at partial loads.
Forklift Lithium Battery Category
Redway Battery Expert Insight
The 12-085-07-482AHL-B-Group exemplifies Redway’s focus on industrial lithium solutions. Its LiFePO4 core ensures safety and longevity, while modularity allows easy capacity expansions. Our BMS tech enables real-time diagnostics via Bluetooth—crucial for fleet management. For heavy-duty cycles, this battery reduces TCO by 40% versus lead-acid, making it a smart investment for automated logistics and off-grid energy systems.
FAQs
What’s the expected lifespan under daily use?
4,000 cycles (10+ years) at 80% DoD. At 100% DoD, cycles drop to 2,500—always maintain 20–90% SoC for longevity.
Can it operate in freezing conditions?
Yes, but charging below 0°C requires heaters. Discharge works down to -20°C with 15% capacity reduction.
Is the BMS user-replaceable?
No—tampering voids warranty. Contact Redway for firmware updates or fault resets.
Does it include a warranty?
5-year limited warranty, covering defects and premature capacity loss below 70% within 3,500 cycles.