Pro-Guide 12V 300AH Deep Cycle Battery

The Pro-Guide 12V 300AH Group 8D LiFePO4 Deep Cycle Battery delivers 300 amp-hours of usable capacity in a package that weighs 72.75 pounds instead of the 160+ pounds a comparable lead-acid would weigh. Rated for over 3000 cycles at 80% depth of discharge, this battery uses LiFePO4 chemistry with an internal ABS honeycomb frame to protect cells from vibration damage common in marine and RV applications.

SPECIFICATIONS

WARRANTY
120 Month Pro Guide Warranty

WEIGHT
72.75 pounds

SIZE
Group 8D

STORAGE CAPACITY
300Ah at 12V. LiFePO4 chemistry maintains a flat voltage curve through the discharge cycle, meaning you get consistent usable capacity until the battery is nearly empty, unlike sealed lead-acid batteries that lose voltage and performance as they discharge.

VOLTAGE
12V

TERMINALS
M8 internal threaded terminals

LIFECYCLES (BATTERY LIFESPAN)
Rated for over 3000 cycles at 80% depth of discharge

INCLUDES ACTIVE BMS PROTECTION
Yes. Includes active BMS protection with cell balancing, low and high voltage cutoff, short circuit protection, and high temperature protection.

Experience the Pro-Guide Advantage

The Pro-Guide 12V 300AH Group 8D replaces traditional lead-acid house banks with a single battery that weighs less than half what the old setup did and delivers 3000+ cycles of reliable power. Built-in 7-day sleep timer prevents self-discharge, waking automatically when your charger or trolling motor draws 50mA or more.