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The Redodo 12V 100Ah is a dual-purpose LiFePO4 marine battery that starts outboards and runs electronics from one unit. It claims 900 cold-cranking amps and up to 300 hp engine starts, plus roughly 1 kWh of usable power for electronics. Built-in auto-heating lets it charge in cold weather, and Bluetooth with OTA updates lets you monitor it from a phone. It replaces two lead-acid batteries at about 75% less weight, with a claimed 4,000-plus deep cycles and 5,000-plus starts. It suits boaters who want one battery for starting and house loads and are willing to pay more up front than for lead-acid.
In stockShips from Hong Kong SAR China · duties may applyReturn policy
Rated 4.9 out of 5 from 64 ratings, buyers are largely positive. They praise the cranking power, the weight saving and the Bluetooth monitoring.
This is a 12.8V, 100Ah lithium iron phosphate (LiFePO4) dual-purpose marine battery in a Group 27 size. It handles both engine starting, with 900 CCA, and deep-cycle power. It stores 1 kWh and can run marine electronics for 8 to 10 hours. One unit takes the place of two lead-acid batteries and is 75% lighter.
The battery has an IP67 waterproof, salt-spray-proof build. Built-in auto-heating turns on at 41°F so the battery can charge in temperatures as low as -4°F. Its Reserve Lock feature keeps 25% of the charge in reserve for emergency starts. The battery management system protects against over-current, over-voltage and over-discharge.
It is designed as a drop-in fit for Group 27 and Group 31 battery compartments. A Bluetooth connection to a smart app shows real-time status and supports over-the-air (OTA) updates. It can power outboard motors, trolling motors, fishfinders and navigation gear.
