The Solid State Marine 12V 210Ah Deep Cycle + Starting Battery (model SSM27) is a BCI Group 27 solid-state lithium battery for both engine starting and deep cycle use, such as a boat starting or house battery. It is designed as a drop-in replacement for AGM or lithium (LFP) batteries.
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Capacity: 12V, 210Ah; 3,025 Wh.
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Size: BCI Group 27.
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Discharge: 210A continuous; 630A peak for 10 seconds.
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Charging: CC/CV; up to 210A charge current (30A standard).
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Cycle life: rated for 3,000 cycles.
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Terminals: M8 bolts.
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Battery management: built-in BMS with low-temperature, high-temperature, short-circuit and abnormal-current protection; low-temperature protection at -4°F (-20°C) with automatic recovery.
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Operating temperature: charge and discharge from -4°F to 155°F; storage from -4°F to 113°F.
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Housing: ABS case, flame-retardant to UL94 V0; IP67 rated.
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Connections: up to 4 batteries in parallel or 2 in series.
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Certifications: UL 1642 and UN38.3; meets ABYC standards.
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Warranty: 8 years against manufacturer defects, with free replacement for the first 5 years (Solid State Marine)
