Batteries

Marine Cranking Battery - Heated

Name: Marine Cranking Battery - Heated
Brand: MillerTech Energy
SKU: MT-12135-DPH
Price: 1002.85 USD
Availability: InStock

SKU: MT-12135-DPH

$1,002.85 / each

✓ In Stock (20 available)

12V 135Ah

View Kit Bundles

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Why Buy This from AOG

Sourced from the Plain Community. These come from Ohio and Indiana Amish manufacturers — built for the Plain communities I've worked alongside for the past five years, the original off-gridders who choose gear that simply has to hold up.

✓ Dual-purpose 12V 135Ah with a built-in cold-temp charging heater — cranks and cycles even below freezing

✓ Backed by MillerTech's 10-year warranty — double the industry standard

✓ Roughly a third the weight of a comparable lead-acid battery

✓Authorized dealer — genuine product, backed by the manufacturer's warranty

✓Personal service from a small, family-run business that knows and serves the Plain & off-grid community — not a faceless call center

✓Chosen to last, not to be the cheapest — built for years of real use

✓Curated for true off-grid living, not stacked on a big-box shelf

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Shipping Info

Weight: 0lb 0oz

Dimensions: 0.00" × 0.00" × 0.00"

Ships to the lower 48 states. See our Shipping & Returns policy before you buy.

Key Features

Built for larger vessels and higher power demands, the AOG 12V 135AH Heated Dual Purpose Starting Battery pairs superior capacity with advanced heating technology for worry-free cold-weather starts. The integrated heater automatically engages at 32°F, using charger power to raise the battery to 34°F, ensuring optimal charging and performance. Its durable, sealed design withstands tough marine environments, while Bluetooth connectivity makes monitoring simple. With extended run time, dependable starting power, and a 10-year full coverage warranty, this battery is a long-lasting upgrade for serious boaters.
SPECIFICATIONS
CAPACITY- 135AH : ENERGY STORAGE- 1.728kWh : NOMINAL VOLTAGE- 12.8V : FLOAT VOLTAGE- 13.5V : SELF DISCHARGE RATE- < 4% / MONTH : TORQUE SETTING- 10 FT-LBS. : COLD CRANKING AMPS- (CCA) 1500A
CHARGING
MAX CHARGE VOLTAGE- 14.6 V : MAX CHARGE/DISCHARGE CURRENT- 135A : RECOMMENDED CURRENT- 30A : CHARGE TEMPERATURE RANGE- 25-131°F : RECOMMENDED CV- 15 MIN
DISCHARGING
MAX CONTINUOUS DISCHARGE CURRENT- 135A : DISCHARGE TEMP. RANGE (operating temp) – -4-140°F : LOW CUT OFF VOLTAGE- 10V (ANY CELL 2.5) : RECOMMENDED LOW VOLTAGE DISCONNECT- 12.0V
GROUP SIZE- 31

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Replacement Battery

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Marine Cranking Battery - Heated

Why Buy This from AOG

Key Features

Specifications

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