Clipper BM-2 Battery Monitor w/Shunt - 200Amp

The Clipper BM-2 Battery Monitor with 200-amp shunt is a real-time power management system designed for 12-volt lead-acid battery banks up to 600 amp-hours. Whether you're running electronics on a weekend fishing boat or managing house banks on a long-range offshore cruiser, this unit continuously tracks what your electrical system is actually doing—voltage, current flow, amp-hour consumption, state of charge, and time-to-full or time-to-dead. It delivers the data you need to avoid unexpected power loss and extend battery life during extended trips on the water.

Installation is straightforward DIY work. The kit ships with a precision 200-amp shunt and prefabricated cable assembly, eliminating guesswork and reducing wiring errors that commonly plague boat electrical upgrades. The shunt measures actual current flow with high accuracy across charge and discharge cycles, feeding real data to the display where you can see instantaneous amp draw, accumulated amp-hours, and estimated time remaining before batteries reach critical voltage. For anglers running multiple 12-volt systems—trolling motors, fish finders, pumps, lighting, refrigeration—this visibility transforms blind guessing into intelligent load management.

This monitor is essential for anyone relying on battery autonomy beyond a single day of operation. Coastal fishermen, offshore cruisers, and liveaboard boaters use battery monitors to prevent the costly failure of leaving a trolling motor running until the house bank is depleted. The BM-2's amp-hour tracking and state-of-charge display let you plan engine starts, recharge windows, and electrical load distribution with confidence. For serious boaters, battery monitoring is not a luxury feature—it's a core safety and reliability tool.