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Home ProductsEV Lithium Battery PackForklift Lithium Battery48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial
48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial
48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial
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48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial

Minimum Order Quantity : 1 Piece Price : USD 2200-3500 / Piece
Packaging Details : Export-grade plywood crate with EPE foam cushioning, full pallet wrapping, UN38.3 compliant shipping Delivery Time : 5-7 working days for stock, 15-25 days for production orders
Payment Terms : T/T,L/C,PayPal,Western Union Supply Ability : 6000 Pieces per Month
Place of Origin: Guangdong, China Brand Name: ECER
Certification: ISO 9001:2015, CE, UN38.3 Model Number: FLB-48400C

Detail Information
Battery Chemistry: LiFePO4 (Lithium Iron Phosphate) Nominal Voltage: 48V DC
Rated Capacity: 400Ah Rated Energy: 20.48 KWh
Energy Density: 155 Wh/kg (cell Level) Cycle Life: 3500+ Cycles At 80% DOD
Design Lifespan: 8 Years Max Charge Current: 0.5C (200A) Standard, 1C (400A) Optional
Charge Time: 2 Hours (0 To 100% SOC At 0.5C) Max Discharge Current: 1C Continuous (400A), 2C Peak (800A, 30s)
Protection Class: IP65 BMS: Intelligent BMS With Passive Cell Balancing, SOC/SOH Estimation, And Multi-layer Safety Protection
Communication: CAN Bus, RS485 Operating Temperature: -20°C To 60°C (discharge), 0°C To 45°C (charge)
Dimensions: 650 X 480 X 380 Mm (slim Profile, Customizable) Weight: Approx. 132 Kg
Application: Narrow-aisle Reach Trucks, Electric Pallet Trucks, Order Pickers, Light-duty Counterbalance Forklifts
Highlight:

155Wh/kg Energy Density Forklift Battery

,

Compact Slim Design Lithium Traction

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Extended Runtime LiFePO4 Industrial

Product Description

🔋 Your Narrow-Aisle Forklift Deserves a Battery That Fits

At just 132 kg with 155Wh/kg energy density, the FLB-48400C delivers full-shift power in 26% less volume than standard lithium packs. Purpose-built for reach trucks and narrow-aisle equipment where every centimeter counts.

48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial 0

🔍 When a Standard Battery Simply Does Not Fit

❌ Battery Tray Too Small

Many narrow-aisle reach trucks and order pickers have compact battery compartments designed around old lead-acid footprints. Standard lithium packs — already smaller than lead-acid — still cannot fit without costly modifications.

✅ 650 * 480 * 380 mm Slim Profile

Custom-engineered high-density cell packaging achieves a 26% volume reduction versus standard 48V 400Ah lithium packs. Direct drop-in for most major narrow-aisle truck brands without any tray modification.

❌ Heavy Battery = Premature Component Wear

A 175+ kg standard battery adds unnecessary load to small-chassis narrow-aisle trucks, accelerating tire wear, increasing motor current draw, and reducing brake pad life — adding thousands in annual maintenance.

✅ 132 kg — 25% Lighter

High-energy-density 155Wh/kg cells deliver equivalent capacity at significantly lower weight. Reduced vehicle stress means longer tire life, lower energy consumption per pallet moved, and extended brake service intervals.

❌ Insufficient Runtime for Full Shift

Compact lead-acid batteries often cannot sustain 8+ hours of narrow-aisle operation. Operators waste time mid-shift returning to charging stations, disrupting picking workflows and reducing order fulfillment rates.

✅ 20.48 kWh — 8-10 Hour Continuous Runtime

Flat discharge curve maintains voltage above 48V through 90% of capacity. Consistent full-power lifting from first pallet to last — no mid-shift battery anxiety, no lost productivity.


🏭 Engineered for High-Density Warehousing Operations

📐
Custom Dimensions Available Provide your battery tray drawing — we engineer a drop-in fit within 48 hours. No modification to your truck required.
🔬
155 Wh/kg Cell-Level Class-leading energy density achieved through advanced electrode coating and compact cell stacking technology.
⚖️
132 kg Lightweight 25% lighter than equivalent standard packs. Less counterweight needed, lower floor loading, reduced component wear.
❄️
Cold Storage Ready Reliable discharge down to -20°C. Optional self-heating module for sub-zero charging in freezer warehouses.
  • Compatible with Crown, Raymond, Hyster, Yale, Jungheinrich narrow-aisle models
  • Optional integrated battery heating for -20°C cold storage charging
  • Passive cell balancing BMS — zero maintenance, long service life
  • Anderson SB, REMA, or DIN connector options

48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial 1

📊 Technical Specifications — FLB-48400C

Electrical Specifications
Battery ChemistryLiFePO4 (Lithium Iron Phosphate)
Nominal Voltage48V DC
Rated Capacity400Ah
Rated Energy20.48 kWh
Energy Density (Cell Level)155 Wh/kg
Cycle Life (80% DOD)3500+ cycles
Design Lifespan8 years
Round-Trip Efficiency≥ 95%
Charge / Discharge
Standard Charge Current0.5C (200A)
Fast Charge (Optional)1C (400A)
Charge Time (0-100% at 0.5C)2 hours
Max Continuous Discharge1C (400A)
Peak Discharge (30s)2C (800A)
Physical & Environmental
Protection ClassIP65
BMSIntelligent BMS: passive balancing, SOC/SOH, multi-layer safety
CommunicationCAN Bus, RS485
Operating Temp (Discharge)-20°C to 60°C
Operating Temp (Charge)0°C to 45°C
Dimensions (L*W*H)650 * 480 * 380 mm (customizable)
WeightApprox. 132 kg
Certifications
CertificationsISO 9001:2015, CE, UN38.3
Application
Compatible EquipmentNarrow-aisle reach trucks, stand-up counterbalance, pallet trucks, order pickers, AGV/AMR

48V 400Ah Compact LiFePO4 Forklift Battery 155Wh/kg High Energy Density Slim Design Extended Runtime Industrial 2

❓ Frequently Asked Questions

Q1: What does 155Wh/kg energy density mean for my operation?
It means the FLB-48400C packs the same 20.48 kWh energy into a package that is 25% lighter and 26% smaller than standard lithium alternatives. For narrow-aisle trucks where battery tray space is physically constrained, this is the difference between "fits" and "does not fit."
Q2: Will this battery fit my specific reach truck model?
We customize dimensions to match your truck. Send us your forklift model, year, and battery tray measurements — our engineering team will design a direct-fit solution within 48 hours. Over 90% of narrow-aisle trucks can be accommodated with our slim-format design without any vehicle modification.
Q3: Is the lighter weight a problem for forklift counterbalance?
Most narrow-aisle reach trucks and order pickers use stabilizers or outriggers for stability — the battery weight is not the primary counterbalance. In cases where ballast is needed, we can add integrated steel ballast plates to the battery enclosure. For counterbalance forklifts, please consult our technical team for proper weight distribution.
Q4: Can this battery handle cold storage environments?
Yes. The FLB-48400C discharges reliably at temperatures as low as -20°C. For freezer warehouses where charging also occurs in sub-zero conditions, we offer an optional self-heating module that warms cells to safe charging temperature before initiating charge — ensuring full performance in -25°C environments.
Q5: How does the 8-year design life hold up under heavy daily use?
With 3500+ cycles at 80% depth of discharge and a single daily charge cycle, the battery lasts 9+ years before reaching 80% of original capacity. In 2-shift operations with opportunity charging, expect 6-8 years of service — still 3-4x longer than lead-acid alternatives.
Q6: Do you offer samples for testing before bulk order?
Yes. We welcome sample orders (MOQ: 1 piece). Test the battery in your own facility, on your own trucks, under your real operating conditions. Most customers complete evaluation within 2-4 weeks and proceed to bulk order.

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