Monster Marine Lithium | 12v 40Ah Deep Cycle Lithium Marine Battery "Viper" - Bluetooth - MML-CW1240B
12v 40Ah Deep Cycle Lithium Marine Battery "Viper" – Bluetooth | MML-CW1240B
Smart Power. Lightweight Design. Ultimate Performance.
The 12v 40Ah Deep Cycle Lithium Marine Battery "Viper" – MML-CW1240B is your go-to solution for powering 12V electronics in kayaks, ice fishing rigs, and portable outdoor setups. Designed with cutting-edge LiFePO4 technology, this battery offers twice the power, four times the lifespan, and a fraction of the weight of traditional sealed lead-acid batteries—weighing only 11.5 lbs.
Equipped with built-in Bluetooth, the "Viper" lets you track voltage, temperature, and charge status in real-time via the Monster Marine Lithium app, available for iOS and Android. Whether you’re off-grid or on the water, you’ll always know how your battery’s performing.
Key Features:
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Bluetooth Monitoring
Stay in control with real-time data on your battery through your smartphone. -
Ultra-Lightweight at 11.5 lbs
Ideal for space-saving installs in kayaks, sleds, or compact setups. -
Plug-and-Play Simplicity
No complicated wiring—just connect and go. -
High Output & Efficiency
Stable 12.8V output with over 4000+ charge cycles for long-term reliability. -
Modular Expansion
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Series Connection: Up to 4 batteries for 24V, 36V, or 48V systems
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Parallel Connection: Increase amp-hour capacity for longer runtimes
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Compatible Chargers:
To ensure optimal charging, use AGM-mode chargers such as:
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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
All chargers must support AGM charging capabilities.
Specification
Size Dimensions
L 7.5 in (195mm) x W 5in (130mm) x H 6.5 in (154mm)
Voltage
12.8V
Energy
512Wh
Weight
11.5 lbs
Amp-Hours
40Ah
Charge Volts
14.6v
Max charge current 40A
Continuous Discharge Amps
60A max
Terminals
M6 bolt
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