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Power Batteries

Mason 12V 20Ah – LiFePO4 Starter Battery

The Mason 12V 20Ah Lithium Iron Phosphate battery is engineered for engine starting applications on 12V electrical systems. It integrates a Battery Management System (BMS) for safety and reliability. The battery delivers 1,000+ charge-discharge cycles with minimal self-discharge and operates across -30°C to 55°C, offering a lightweight alternative to lead-acid starter batteries.

MAIN IMAGE

The Mason 12V 20Ah is a LiFePO4 starter battery designed for combustion engines requiring 12V board net power. The integrated BMS ensures optimal safety and cycle life. This battery reduces weight and footprint compared to conventional lead-acid alternatives while maintaining reliable cold-start performance.

Key performance metrics include self-discharge below 3% per month, over 1,000 charge-discharge cycles, and operational temperature range from -30°C to 55°C. The cylindrical LiFePO4 cell architecture provides compact dimensions (255 × 101 × 171 mm) with a total weight of 4.6 kg.

APPLICATIONS

Primary use cases.

Engine Starting Systems

Primary application for 12V combustion engine starting in marine, automotive, and industrial equipment.

Auxiliary Power Systems

Backup and auxiliary power for 12V electrical systems requiring reliable, lightweight energy storage.

TECHNICAL DATA

Complete specifications and tolerances for the Mason 12V 20Ah – LiFePO4 Starter Battery.

PARAMETER SPECIFICATION
Product Name Mason 12V 20Ah
Nominal Voltage 12.8V
Nominal Capacity 20Ah
Chemistry Lithium Iron Phosphate (LiFePO4)
Dimensions 255 × 101 × 171 mm
Weight 4.6 kg
Operating Temperature -30°C to +55°C
Self-Discharge Rate <3% per month
Charge-Discharge Cycles >1,000 cycles
IP Rating IP66
BMS Integrated Battery Management System

REGULATORY COMPLIANCE

Validated by the world's leading maritime classification societies.

CE

European Conformity

Product meets European Union safety and performance standards.

UN

UN 38.3

Complies with United Nations regulations for the transport of lithium batteries.

UL

UL 1642 (Cells)

Lithium battery cells certified to UL 1642 safety standard.

TECHNICAL FAQ

Common specifications and regulatory inquiries.

What is the nominal voltage output?
The Mason 12V 20Ah delivers 12.8V nominal voltage, suitable for standard 12V electrical systems.
How many charge cycles does this battery support?
The battery is rated for over 1,000 charge-discharge cycles under normal operating conditions.
What is the self-discharge rate?
Self-discharge is less than 3% per month, allowing extended storage without significant capacity loss.
What temperature range is supported?
The battery operates from -30°C to +55°C, covering cold-start and high-temperature applications.
What is the IP rating?
The battery carries an IP66 rating, providing protection against water jets and dust ingress.
What certifications does this battery hold?
The Mason 12V 20Ah is certified to CE, UN 38.3, and UL 1642 (cells) standards.

SUPPLEMENTARY FILES

Data Sheets, Manuals, and Technical Specifications.