12V 50AH Car Starter Lithium Battery

• MOQ: 10
• Delivery: 25 Days
• Customizable / OEM / ODM: Yes
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT

Product Overview

Modern vehicles require dependable electrical power to start engines and support onboard electronics such as infotainment systems, lighting, and safety modules. Conventional lead-acid batteries often struggle to deliver consistent starting performance while adding unnecessary weight.

The 12V 50Ah car starter lithium battery is engineered as a lightweight and high-performance replacement for traditional automotive batteries. Built with advanced LiFePO4 cell technology, it delivers strong cranking current, stable voltage output, and excellent durability.

Designed for passenger vehicles, compact cars, SUVs, and light trucks, the 12V 50Ah car starter lithium battery provides reliable engine start performance while significantly reducing battery weight.

As part of advanced car starter lithium battery (internal link) solutions, this battery supports modern automotive electrical systems while improving vehicle efficiency and operational reliability.

Key Features & Benefits

Lithium automotive batteries are increasingly adopted in vehicle upgrade markets due to their superior performance and long lifespan. The 12V 50Ah car starter lithium battery integrates advanced battery chemistry and intelligent protection systems to deliver dependable engine starting power.

High Cranking Power for Reliable Starts

The battery delivers 650A Cold Cranking Amps (CCA), ensuring reliable ignition for gasoline and diesel engines. With a 900A peak discharge current for 5 seconds, the battery provides strong engine starting performance even under demanding conditions.

Lightweight Lithium Replacement

Weighing only 5.5 kg, the 12V 50Ah car starter lithium battery is significantly lighter than traditional lead-acid automotive batteries. Reduced battery weight contributes to improved vehicle efficiency and is especially beneficial for performance vehicles.

Ultra-Long Cycle Life

The LiFePO4 cell chemistry enables more than 4000 charge cycles at 80% depth of discharge, greatly exceeding the lifespan of conventional automotive batteries.

This extended durability makes the battery a dependable car battery replacement lithium solution for automotive aftermarket upgrades.

Integrated Smart BMS Protection

A built-in smart Battery Management System protects the battery pack during operation.

Protection functions include:

  • Overcharge protection

  • Over-discharge protection

  • Overcurrent protection

  • Short circuit protection

  • Temperature monitoring

The technology is similar to advanced battery management systems (internal link) used in industrial lithium battery platforms.

Low Self-Discharge Performance

The 12V 50Ah car starter lithium battery has a self-discharge rate of ≤2% per month, allowing vehicles to remain idle for extended periods without significant capacity loss.

Technical Specifications

Parameter Specification
Lithium Cell Type LiFePO4
Nominal Voltage 12.8V
Nominal Capacity 50Ah
Nominal Energy 640Wh
Cold Cranking Amps 650A
Max Continuous Discharge Current 150A
Peak Discharge Current 900A (5 seconds)
Max Charge Voltage 14.6V
Discharge Cut-off Voltage 10V
Cycle Life >4000 cycles (80% DOD)
Internal Resistance ≤15 mΩ
Dimensions 240 × 175 × 190 mm
Weight 5.5 kg
Terminal Automotive terminal
Battery Case ABS
IP Rating IP65
Self-discharge ≤2% per month
Charge Temperature 0°C ~ 55°C
Discharge Temperature -20°C ~ 65°C
Storage Temperature -10°C ~ 50°C
Design Life 10 Years

These specifications enable the 12V 50Ah car starter lithium battery to deliver stable ignition performance while supporting vehicle electrical systems.

Applications

The 12V 50Ah car starter lithium battery is suitable for a wide range of automotive applications where reliable engine starting and lightweight battery solutions are required.

Passenger Vehicles

Passenger cars require dependable starting performance while supporting electronic systems such as navigation, climate control, and onboard sensors. A 12V lithium starter battery ensures stable voltage output for these systems.

Compact Cars

Compact vehicles benefit from lightweight battery technology. The 12V 50Ah car starter lithium battery reduces overall vehicle weight while delivering reliable ignition performance.

SUVs and Light Trucks

Larger vehicles require higher starting currents and stable power supply. The automotive lithium battery provides strong discharge performance for these vehicles.

Start-Stop Vehicles

Vehicles equipped with start-stop technology require batteries capable of frequent engine restarts. The lithium engine start battery design supports repeated cycling without significant capacity loss.

Automotive Backup Power

The battery can also function as a stable 12V vehicle lithium battery for powering vehicle electronics when the engine is not running.

This battery platform complements other mobility energy systems including equipment batteries (internal link) and marine batteries (internal link) used in specialized vehicle environments.

Comparison / Advantages

Compared with traditional lead-acid automotive batteries, the 12V 50Ah car starter lithium battery provides several important performance advantages.

Reduced Weight

Lithium battery technology can reduce battery weight by 50–70% compared with equivalent lead-acid batteries.

Longer Service Life

While conventional starter batteries typically provide 300–500 cycles, the 12V 50Ah car starter lithium battery can exceed 4000 cycles.

Higher Energy Density

The battery stores 640Wh of energy within a compact battery enclosure.

Stable Voltage Output

LiFePO4 chemistry maintains stable voltage during discharge, improving ignition performance and electrical system reliability.

Maintenance-Free Operation

Unlike lead-acid batteries, the automotive LiFePO4 battery does not require electrolyte maintenance or periodic water refilling.

These advantages make lithium starter batteries increasingly popular among automotive distributors and vehicle upgrade markets.

Certifications & Quality

Each 12V 50Ah car starter lithium battery is manufactured using strict quality control procedures and verified testing processes.

Manufacturing and inspection processes include:

  • Cell grading and matching

  • Electrical performance testing

  • Environmental durability testing

  • Safety verification

The battery housing uses industrial ABS casing and features an IP65 protection rating, ensuring resistance to dust and water exposure.

LiFePO4 chemistry is widely recognized as one of the safest lithium battery technologies for automotive applications.

OEM & Customization

We provide comprehensive OEM ODM (internal link) services for automotive battery distributors and vehicle manufacturers.

Customization services include:

  • Private label branding

  • Battery casing design modification

  • BMS firmware configuration

  • Packaging customization

  • Terminal configuration options

Optional upgrades available for the 12V 50Ah car starter lithium battery include:

  • Bluetooth battery monitoring

  • Mobile APP battery monitoring

  • Low-temperature self-heating module

  • Smart battery capacity indicator

These customization capabilities support global markets including the USA, Europe, and Australia, where lithium automotive battery upgrades are rapidly growing.

CTA

If you are an automotive battery distributor or vehicle upgrade specialist, contact us today to request specifications, pricing, and OEM customization options for the 12V 50Ah car starter lithium battery.
Specifications
Lithium Cell TypeLiFePO4
Nominal Voltage12.8V
Nominal Capacity50Ah
Nominal Energy640Wh
Max Charge Voltage14.6V
Discharge Cut-off Voltage10.5V
Max Continues Charge Current200A
Max Continues Discharge Current200A
Dimensions(L x W x H)231 x 174 x 181 mm
Weight6 kg
Cycle Life>6000 cycles (DOD 80% 0.2C)
Internal Resistance≤10 mΩ
Self-discharge≤2% per month
IP RatingIP65
Charge Temperature0°C ~ 50°C
Discharge Temperature(-20°C ~ 65°C)
Storage Temperature(-10℃ ~ 50℃)
Self-heatingOptional
LCD DisplayOptional
Optional UpgradesSelf-heating / Bluetooth / APP / WiFi / 4G / GPS / LCD Display / RS485 / RS232 / CAN bus / RJ45 / Modbus / Power Switch / Circuit Breaker / Active Balance / etc
BMSJBD BMS/JK BMS
TerminalM6 / M8
Battery CaseABS
Warranty10 Years
Silk-screen / Label / Laser LogoYes
User ManualYes
OEM / ODMYes
CertificationsCE / MSDS / UN38.3/UL

 

 

Specifications

Datasheet

User Manual

Frequently Asked Questions (FAQs)

What vehicles can use a 12V 50Ah car starter lithium battery?

The battery is suitable for passenger vehicles, compact cars, SUVs, and light trucks that require reliable engine starting power.

Yes. LiFePO4 chemistry supports frequent engine restarts, making it suitable for start-stop vehicle systems.

With more than 4000 cycles, the battery provides significantly longer lifespan compared with conventional lead-acid starter batteries.

Yes. The integrated smart BMS protects against overcharge, over-discharge, overcurrent, short circuits, and temperature fluctuations.

Yes. Full OEM and ODM services are available including branding, packaging design, and firmware configuration.

The battery provides 650A Cold Cranking Amps, ensuring reliable ignition performance for many vehicle types.

Optional Bluetooth monitoring and mobile APP features allow users to monitor voltage, capacity, and battery health.

The battery supports discharge temperatures from -20°C to 65°C and charging temperatures from 0°C to 55°C.

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