
Monster Marine Lithium | 12v 70Ah Deep Cycle Lithium Marine Battery "Tarpon" Bluetooth
12v 70Ah Deep Cycle Lithium Marine Battery "Tarpon" – Bluetooth | MML-CW1270B
Maximum Power. Minimal Weight. Smart Monitoring.
The 12v 70Ah "Tarpon" Deep Cycle Lithium Marine Battery is a high-performance, lightweight battery solution built for serious anglers, boaters, and outdoor enthusiasts. Weighing just 20 lbs, this LiFePO4-powered battery delivers twice the power, four times the lifespan, and nearly 60% less weight than traditional lead-acid options.
With built-in Bluetooth monitoring, you can track battery health, voltage, and more right from your phone using our iOS & Android Monster Marine Lithium app. Whether you're powering a trolling motor, kayak electronics, or an off-grid setup, the Tarpon delivers dependable power in a compact, plug-and-play format.
Key Features:
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Bluetooth Smart Monitoring
Stay in control with real-time data on voltage, state of charge, and temperature from your smartphone. -
Compact & Lightweight (20 lbs)
Saves space and weight while increasing overall power output. -
Extended Lifespan
Rated for 4000+ charge cycles—that’s 4x longer than sealed lead-acid. -
Flexible Installation
Wire in series (up to 48V) or parallel for more capacity. -
Plug-and-Play Simplicity
No setup headaches—just hook it up and go.
Ideal Applications:
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Trolling Motors (Minn Kota, Garmin, Lowrance, Rhodan & more)
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Kayak & Ice Fishing Power
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12v Marine Electronics
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Off-Grid Power Solutions
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SLA Battery Replacement in Boats or RVs
Charger Compatibility:
This battery is compatible with most AGM-capable chargers, including:
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Minn Kota (Precision & Digital)
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Dual Pro
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NOCO
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Real Pro
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Pro Sport
Ensure charger has AGM settings for proper lithium charging.
Specification
Weight
20 lbs
Size Dimensions
L 10.25 in x W 6.5in x H 8.2 in
Group 24
Voltage
12.8V
Energy
896 Watts (Wh)
Amp-Hours
70Ah
Charge Volts
14.6v
Max charge current 70A
Continous Discharge Amps
100A max
Terminals
M8 bolt
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Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

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