Fullriver HC40 AGM 12 Volt Battery

High-Cranking Power for Demanding Performance Applications

With industry-leading AGM (Absorbent Glass Mat) technology, it delivers exceptional cranking performance —all in a sealed, spill-proof, and maintenance-free design.
The HC40 is engineered to handle extreme discharge and recharge conditions with consistent output and rugged reliability.

Key Features:

Fully Sealed & Maintenance-Free – spill-proof design with zero corrosion risk
High Cranking Performance – up to 1100 PHCA and 500 CCA
Long Reserve Capacity – 70 minutes at 25A for high-accessory loads
Low Internal Resistance – for faster recharge and consistent voltage delivery
Minimal Self-Discharge – ≤ 3% per month at 25°C
Flame-Resistant ABS Case – durable and safe for rugged environments
Perfect for Performance Builds, Marine, Motorsport, and Off-Road Use

Specifications:

Category	Details
Nominal Voltage	12 Volt
C20 Capacity	40 Ah
C5 Capacity	34.4 Ah
CCA (Cold Cranking Amps)	500 A
CA/MCA (Cranking Amps)	600 A
HCA (Hot Cranking Amps)	700 A
PHCA (Pulse Cranking Amps)	1100 A
Reserve Capacity @ 25A	70 minutes
Short Circuit Current	1579 A
Internal Resistance	7.5 mΩ
Self-Discharge @ 25°C	≤ 3% per month

Mechanical Specifications:

Specification	Value
Terminal Type	M6 Stud Terminal
Terminal Torque	3.5 – 5.0 Nm (31 – 44 in-lbs)
Height (with terminal)	206 mm (8.11 in)
Height (case only)	192 mm (7.56 in)
Width	97 mm (3.82 in)
Length	250 mm (9.84 in)
Weight	14.0 kg (30.86 lbs)
Case Material	ABS Plastic – UL94-HB rated

Operational Data:

Operating Temperature Range	-20°C to +50°C (-4°F to 122°F)
Cold Weather Use	Maintain >60% state of charge below 0°C

Charging Guidelines:

Charging Mode	Voltage & Limits
Maximum Charge Current	25% of C20 (10 A)
Absorption Voltage	14.4V – 14.7V
Float Voltage	13.5V – 13.8V

Built Tough for Performance Vehicles and Extreme Conditions

The Fullriver HC40 offers exceptional starting power. This battery is built to deliver under pressure.
Choose the Fullriver HC40 AGM Battery—where reliability meets high-performance power.