DEKA Duration DD460-12 460Ah 5.5kWh 12V LiFePO4 Monobloc Battery

The Deka Duration DD460-12 is a 12V 460Ah LiFePO4 Monobloc Battery built on Lithium Iron Phosphate chemistry with a fully integrated Battery Management System (BMS). Rated at 460Ah with 5.5kWh of usable energy, it is engineered for the most demanding high-capacity applications that require deep, repeated cycling — including large off-grid solar storage, heavy-duty RV and marine house loads, golf carts, and home backup power systems — all in a sealed, IP67-rated, fire-resistant package.

Key specifications

• Voltage / Capacity: 12V nominal / 460Ah / 5.5kWh usable energy
• Chemistry: LiFePO4 (Lithium Iron Phosphate) — maintenance-free, sealed, no venting or watering required
• Charge temperature: 32°F to 140°F (0°C to 60°C); discharge down to -4°F (-20°C)
• Dimensions / Weight / IP Rating: 19.69 × 10.43 × 9.2 in. (500 × 265 × 232.4 mm) / 98.1 lbs. / IP67 waterproof and dustproof
• Cycle life: 6,000 cycles at 80% DoD — dramatically outlasting AGM and flooded lead-acid alternatives
• Self-discharge: Only 3% per month — suitable for seasonal storage and infrequent-use applications

No maintenance, no spills, far more cycles

Traditional AGM and flooded lead-acid batteries require regular maintenance, restrict usable capacity to 50–80% DoD, and wear out in a fraction of the cycles. The DD460-12's LiFePO4 chemistry eliminates all of those limitations: the sealed, IP67-rated case prevents spills in any condition, 100% depth of discharge is fully supported, and the integrated BMS handles cell balancing automatically. With 6,000 rated cycles at 80% DoD and 99% charge/discharge efficiency, it delivers significantly more usable energy over its service life compared to any AGM alternative of equivalent size.

The highest-capacity monobloc in the Deka Duration lineup

At 460Ah and 5.5kWh per unit, the DD460-12 is the highest-capacity 12V monobloc in the Deka Duration series — offering 53% more energy per unit than the DD300-12 in the same footprint. For installations where space is limited but energy demand is high, this means fewer batteries, simpler wiring, and lower overall system cost. Scaled to 16 units in parallel, a DD460-12 bank delivers up to 7,360Ah and 88kWh at 12V — or up to 48V when configured in a 4-parallel by 4-series arrangement.

High-current performance for demanding loads

The DD460-12 is built for high-draw applications, with a recommended discharge current of 150A, a maximum continuous discharge of 300A, and a peak surge rating of 1,200A for 5 seconds — the highest surge rating in the Deka Duration monobloc range. This makes it exceptionally well suited for golf carts, large inverters, and other loads that demand sustained or burst current delivery without voltage sag.

Key Applications

• Solar energy storage: The highest-capacity single unit in the Duration lineup — ideal as the primary house battery in off-grid cabins, van builds, or residential solar backup systems where maximum energy density per unit matters.
• Golf carts: High surge current, 100% usable DoD, and 6,000-cycle life make the DD460-12 a direct, long-lasting upgrade over traditional lead-acid golf cart batteries with significantly more range per charge.
• RV house loads: Powers lights, appliances, inverters, and electronics in motorhomes and travel trailers with zero maintenance, no acid-spill risk, and the longest runtime between charges of any monobloc in the lineup.
• Marine applications: Suitable for trolling motors, onboard electronics, and large house loads — the IP67 rating and sealed construction handle moisture, vibration, and tilt common in marine environments.
• Home backup and energy storage: Provides dependable standby power for inverter-based home battery backup systems requiring maximum capacity in a compact, scalable 12V lithium battery bank.

Intelligent BMS protection and safe chemistry

• Full BMS protection: Guards against overcharge, over-discharge, short circuit (1200A / 500µs), and high-temperature cutoff (149°F / 65°C) — automatically reconnecting once safe conditions are restored.
• Fire-rated ABS PC casing: The enclosure is built from fire-rated materials and rated IP67, making it one of the safest and most durable housings available in a monobloc lithium battery.

Flexible system configurations

The DD460-12 supports up to 16 units in parallel or configurations of 4-parallel by 4-series, allowing scalable energy storage systems from a single 5.5kWh unit up to larger 24V or 48V battery banks. Threaded M8 insert terminals ensure secure, vibration-resistant connections throughout.

Charging and system compatibility

The DD460-12 is compatible with any LiFePO4-profile charger or solar charge controller. Absorption voltage should be set to 14.2–14.6V; float voltage to 13.6–13.8V; recommended charge current is 150A with a maximum of 300A. It is compatible with any PWM or MPPT solar charge controller configured to a lithium or LiFePO4 charge profile.

Why choose the Deka Duration DD460-12?

The DD460-12 is the top-of-the-line monobloc choice for buyers who need maximum energy capacity in a single 12V unit — 5.5kWh, 6,000 cycles, 1,200A peak surge, and IP67 construction in the same compact footprint as the DD300-12. It is the ideal solution for high-demand off-grid, marine, RV, and backup power installations where every kilowatt-hour and every pound of battery weight counts. Certified to UN38.3, UL 1973, IEC62619, UL9540A, UL1642, and CE standards.

Dimensions

19.69 × 10.43 × 9.2 in (500 × 265 × 232.4 mm)

Weight

98.1 lbs (44.5 kg)