48V 50Ah Lithium Battery

• Cell: LiFePO4
• MOQ: 50
• Delivery: 20 Days
• Customizable / OEM / ODM: Yes
• Factory: Redway, Dongguan, Guangdong, China
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT

Description

Our 48V 50Ah LiFePO4 Battery is a premium lithium battery solution engineered for high-demand applications like solar energy storage, EVs, and marine systems. As a trusted lithium battery manufacturer, we specialize in OEM and ODM services, delivering robust, safe, and long-lasting power solutions tailored to wholesale buyers¡¯ needs.

Key Features

High Energy Density: Provides 2560Wh energy output with a 50Ah capacity, ensuring reliable power for heavy-duty operations.
Extended Cycle Life: Achieves 4500+ cycles at 80% DoD, outperforming traditional batteries and minimizing long-term replacement costs.
Advanced Safety: Built-in BMS ensures protection against overcharging, overheating, and short circuits, prioritizing operational safety.
Compact & Lightweight: Weighs only 26.5 kg (58.42 lbs) with dimensions of 328 x 175 x 220 mm, enabling easy integration and transport.
Wide Temperature Tolerance: Operates efficiently in -20¡ãC to 60¡ãC environments, ideal for extreme conditions.

Product Description

Designed for versatility, the 48V 50Ah LiFePO4 Battery excels in off-grid solar systems, electric vehicles, and marine applications. Its 48V nominal voltage supports continuous 50A charge/discharge currents, making it suitable for high-power demands. High-quality LiFePO4 cells ensure stable performance throughout the discharge cycle, while the IP65-rated casing protects against dust and water ingress for outdoor durability.

With a 10-year design lifespan and a 3-year warranty, this lithium battery offers unmatched reliability. OEM clients benefit from customizable configurations, including BMS protocols and housing designs, ensuring seamless compatibility with diverse systems.

A 48V 50Ah lithium battery delivers 2560Wh of efficient, reliable energy with a lightweight design and long cycle life exceeding 3000 deep discharge cycles. Its advanced Battery Management System (BMS) ensures safety and performance, making it ideal for golf carts, electric vehicles, and renewable energy applications requiring durable, maintenance-free power.

What are the key specifications of a 48V 50Ah lithium battery?

This battery features a nominal voltage of 48V (51.2V nominal), a capacity of 50Ah, and an energy output of approximately 2560Wh. It typically weighs around 26.5 kg (58.4 lbs) and measures about 460 x 333 x 125 mm. The battery uses LiFePO4 prismatic cells, includes a robust metal case, and supports continuous charge and discharge currents of 25A to 100A, with peak currents up to 400A for short bursts. It comes equipped with an M8 terminal and an IP65 or higher waterproof rating.

How long is the typical lifespan and cycle life of a 48V 50Ah lithium battery?

This lithium battery offers over 3000 deep discharge cycles at 80% depth of discharge, translating to 8 to 10 years of reliable service life, far surpassing traditional lead-acid batteries.

What advantages do lithium batteries offer over traditional lead-acid batteries?

Lithium batteries are significantly lighter (up to one-third the weight), have longer cycle life, faster charging times (2-4 hours vs. 8-12 hours), zero maintenance, higher energy efficiency (up to 98%), and stable voltage output, reducing operational costs and downtime.

How does the Battery Management System (BMS) improve safety and performance?

The BMS monitors voltage, current, temperature, and state of charge, protecting against overcharge, over-discharge, short circuits, overcurrent, and thermal runaway. It balances cells to extend battery life and ensures safe, reliable operation.

What are the optimal charging and discharging parameters for this battery?

Recommended charging voltage is 58.4V with charge currents ranging from 25A to 100A depending on charger specifications. Discharge voltage cut-off is approximately 40V. The battery operates safely between -20°C and 55°C.

What applications are best suited for a 48V 50Ah lithium battery?

Ideal for golf carts, electric scooters, solar energy storage, backup power systems, and other light electric vehicles or portable power applications.

What environmental conditions can a 48V 50Ah lithium battery withstand?

Designed with an IP65 or higher rating, the battery is dustproof and water-resistant, operating reliably in temperatures ranging from -20°C to 55°C.

How does lightweight design benefit lithium batteries?

The reduced weight facilitates easier installation and handling, improves vehicle efficiency and range, and decreases stress on supporting structures compared to heavier lead-acid batteries.

How does Bluetooth or wireless monitoring enhance battery management?

Bluetooth and wireless connectivity allow real-time monitoring of battery health, voltage, current, temperature, and state of charge via mobile apps, enabling proactive maintenance and system optimization.

What certifications and safety standards does the battery meet?

Common certifications include UL1642, IEC62133, CE, RoHS, UN38.3, and MSDS, ensuring compliance with international safety and quality standards.

Chart 1: Lithium vs. Lead-Acid Battery Comparison

Feature Lithium 48V 50Ah Lead-Acid 48V 50Ah
Cycle Life (Cycles) 3000+ 300 – 500
Charge Time (Hours) 2 – 4 8 – 12
Weight (kg) 26.5 70 – 90
Maintenance None Regular watering
Efficiency (%) Up to 98 ~75

Chart 2: Operating Temperature and Protection Ratings

Feature Specification Benefit
Operating Temp. -20°C to 55°C Reliable in diverse climates
IP Rating IP65+ Dust and water resistant

Specifications

Specifications
Lithium Cell LiFePO4 (LFP)
Nominal Voltage 51.2V
Nominal Capacity 50Ah
Nominal Energy 2560Wh
Max Charge Voltage 14.6V
Discharge Cut-off Voltage 10V
Max Continues Charge Current 50A
Max Continues Discharge Current 50A
Dimensions
[L x W x H]
501 x 185 x 242 mm
19.7 x 7.3 x 9.5 inches
Weight 20 kg
44 lbs
IP Rating IP65
Max Parallel Connections 6
Cycle Life >5000 cycles (80% DOD 0.5C)
Self-Discharge 3% (per month)
Charge Temperature 0°C ~ 60°C
Discharge Temperature -20°C ~ 65°C
BMS JBD / DALY BMS Protection
Optional Upgrades Self-heating / Bluetooth / App / 4G / GPS / WiFi / RS485 / RJ45 / SOC LCD Display / Circuit Breaker / Power Switch / Cooling Fan / Battery Internal Cell Fixation Metal Bracket / Active Balance / Solar MPPT / etc.
Normal Charger / Fast Charger Optional
Terminal M8
Battery Shell ABS
Design Life 10 Years
Warranty 3 Years
Label / Silkscreen / Laser Logo Yes
User Manual Yes
OEM Yes
Shipment Yes
Certifications UL 1642 / IEC 62619 / CE / UN38.3 / MSDS
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