48 Volt 40ah Lithium Ion Battery for Electric Vehicles

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Product Description

Basic Specifications

Model NO.
Lfeli-4840
Material
High Pure Lead / Li-ion
Certificate
UL/Ce/RoHS/ISO9001/ISO14001/IEC60896/IEC61427
Maintenance
Free
Warranty
5 Years
Terminal
Copper
OEM Order
Acceptable
Color
Grey / Black
Nominal Voltage
48V
Discharge Rate
High Discharge Rate
Shape
Square Battery
Installation
Fixed
Transport Package
Carton, Pallet
Specification
48V40AH lithium Battery
Origin
China
HS Code
8507200000
48 Volt 40ah Lithium Ion Battery Banner

Key Features

🔄 Longer Cycle Life Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery, minimizing replacement costs.
⚖️ Lighter Weight About 40% of the weight of a comparable lead acid battery. A "drop in" replacement for lead acid batteries.
Higher Power Delivers twice the power of lead acid battery, even at high discharge rates, while maintaining high energy capacity.
🌡️ Wider Temperature Range Reliable performance in diverse environments ranging from -20ºC to 60ºC.
🛡️ Superior Safety Lithium Iron Phosphate chemistry eliminates the risk of explosion or combustion due to high impact, overcharging, or short circuit.

Applications

Wheelchairs and scooters Solar/wind energy storage Back-up power for small UPS Golf trolleys & buggies Electric bikes

Technical Characteristics

Electrical Characteristics Nominal Voltage 48V
Nominal Capacity 40Ah
Energy 1920Wh
Internal Resistance(AC) ≤40mΩ
Cycle Life >2000 cycles @ 1C 100% DOD
Months Self Discharge <3%
Efficiency of Charge 100% @0.5C
Efficiency of Discharge 96~99% @1C
Standard Charge Charge Voltage 14.6±0.2V
Charge Mode 0.2C to 14.6V, then 14.6V, charge current to 0.02C(CC/CV)
Charge Current 15A
Max. Charge Current 30A
Charge Cut-off Voltage 15.6±0.2V
Standard Discharge Continuous Current 60A
Max.Pulse Current 80A(<3s)
Discharge Cut-off Voltage 8V
Environmental Charge Temperature 0ºC to 55ºC (32F to 131F) @60±25% RH
Discharge Temperature -20ºC to 60ºC (-4F to 140F) @60±25% RH
Storage Temperature -20ºC to 45ºC (-4F to 113F) @60±25% RH
IP Class IP65
Mechanical Plastic Case ABS
Approx. Dimensions 436mm*400mm*133mm
Approx. Weight 25kg
Terminal M6

Product Gallery

Frequently Asked Questions

Q1: What is the expected lifespan of this 48V 40Ah Lithium battery?
A: This battery offers a cycle life of over 2000 cycles at 1C 100% Depth of Discharge (DOD), which is significantly longer than traditional lead-acid batteries.
Q2: Can this battery be used in extreme weather conditions?
A: Yes, it is designed to operate in a wide temperature range from -20ºC to 60ºC for discharge and 0ºC to 55ºC for charging.
Q3: Is this battery a direct replacement for lead-acid batteries?
A: Yes, it is designed as a "drop-in" replacement, offering about 40% of the weight of a comparable lead-acid battery while providing twice the power.
Q4: What safety features does the Lithium Iron Phosphate (LiFePO4) chemistry provide?
A: LiFePO4 chemistry is inherently safe, eliminating risks of explosion or combustion even under high impact, overcharging, or short-circuit conditions.
Q5: What is the warranty period for this product?
A: We provide a 5-year warranty for this 48V 40Ah lithium battery, ensuring long-term reliability and support.
Q6: What is the IP rating for this battery case?
A: The battery comes with an IP65 rated ABS plastic case, providing excellent protection against dust and low-pressure water jets.

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