DEKA Duration DD300-12H 12V 300Ah Heated LFP Battery

DD300-12H Heated Monobloc LFP Battery

The Deka Duration DD300-12H is a drop in replacement for Group 8D VRLA batteries and is engineered for industrial backup power, and large off-grid solar applications requiring year-round reliability in colder temperatures. This 300Ah, 12.8V nominal LiFePO4 monobloc battery delivers 3.84 kWh of usable capacity with 99% round-trip efficiency and includes a built-in low-temperature heater that automatically activates when battery temperature drops below 32°F.

Rated for 6,000 cycles at 80% depth of discharge, the DD300-12H combines exceptional longevity with year-round reliability for demanding installations. The sealed ABS+PC fire-rated enclosure with IP67 rating provides dust and water resistance for outdoor environments, while included busbars simplify terminal connections for scalable parallel and series configurations.

Deka Duration DD300-12H Battery Features

• LiFePO4 Chemistry: 12.8V nominal lithium iron phosphate cells deliver 99% round-trip efficiency with 100% usable depth of discharge.
• Integrated BMS: Internal Battery Management System provides short circuit protection, over-discharge voltage cutoff, cell balancing, and smart communication.
• 6,000 Cycle Life: Rated for 6,000 cycles at 80% depth of discharge, delivering long service life with lower replacement frequency and reduced total cost of ownership.
• Drop-in Replacement: Group 8D footprint with M8 bolt threaded insert terminals allows direct replacement of existing lead-acid batteries. Supports up to 16 in parallel or 4 parallel by 4 series configurations.
• Built-in Low-Temperature Heater: Automatically activates when cell temperature drops below 32°F (0°C), warming the battery to 50°F (10°C) before charging begins.

Deka Duration Smart LFP Technology

Deka Duration LiFePO4 batteries feature integrated smart BMS technology enabling battery-to-inverter and battery-to-battery communication for optimized system coordination and monitoring. The passive cell balancing system maintains individual cell health throughout the battery's 6,000-cycle lifespan, ensuring consistent performance across the entire pack.

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