Deka Duration DD100-12 Specifications
| Model | DD100-12 |
| Capacity | 100Ah |
| Voltage | 12V |
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Efficiency | 99% |
| Cycle Life | 6,000 cycles at 80% DoD |
| Usable Depth of Discharge | 100% |
| Dimensions | 12.1 x 6.6 x 8.3 in |
| Weight | 26 lbs |
| Max Discharge Current | 150A (Recommended 50A) |
| Operating Temperature | -4 to 140°F (-20 to 60°C) |
| IP Rating | IP67 |
| Built-in BMS | Internal with Smart Communication |
| Certifications | UN38.3, UL 1973, IEC62619, CE |

 MAPPS® NEMA 3R enclosure with dual Deka Duration LiFePO4 batteries and pre-wired charge controller, ready for field deployment.
DEKA Duration DD100-12 12V 100Ah LiFePO4 Battery
SKU DEKA-LFP-DD100-12
Deka DD100-12 Monobloc LFP Battery
The Deka Duration DD100-12 delivers 100Ah of reliable lithium iron phosphate energy storage at 12.8V nominal voltage, engineered for off-grid solar systems, RV power storage, and marine installations. With 99% round-trip efficiency and 100% usable depth of discharge, this monobloc battery provides more usable capacity per cycle than traditional lead-acid batteries.
Rated for 6,000 cycles at 80% depth of discharge, the DD100-12 combines exceptional longevity with reliable performance for remote and seasonal installations. The sealed ABS+PC fire-rated enclosure with IP67 rating provides dust and water resistance for demanding outdoor environments, while the Group 27 footprint enables direct replacement of existing lead-acid batteries without system modification.
Deka Duration DD100-12 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 27 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.
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.

Deka Duration DD100-12 Technical Review
The Deka Duration DD100-12 is a 12V, 100Ah lithium iron phosphate (LiFePO4) battery engineered for off-grid solar, RV, marine, and industrial applications requiring reliable deep-cycle performance. The integrated Battery Management System performs cell balancing, short circuit protection, over-discharge protection, and intelligent battery-to-inverter communication to ensure safe and coordinated system operation.
The integrated Battery Management System provides multi-level protection with short circuit response, over-discharge voltage cutoff, and active cell balancing to maintain uniform cell health across the full capacity range. UL 1973, UN38.3, IEC62619, and CE certifications confirm the battery's safety and compliance across global markets.
Contact Us Today Get a Free System Quote Toll Free: 877-297-0014

MAPPS® Systems: Now Available with Deka Duration LiFePO4

MAPPS-20-36-12
12 VDC pole-mounted system with SES 20J-V 20W solar module and side-of-pole HPM mount. Drop-in Deka Duration LiFePO4 replaces the 8GU1H gel cell at 36 Ah capacity.
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MAPPS-300-265-24
24 VDC pole-mounted system with 2x SES 150J-V modules on an SPM2-150 side-of-pole mount. Drop-in Deka Duration LiFePO4 replaces the 8G8D gel bank at 265 Ah capacity.
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MAPPS-1200-1060-24-PAD
24 VDC pad-mounted system with 6x SES 200J-V modules on a low-profile ground mount. Drop-in Deka Duration LiFePO4 replaces 8x 8G8D gel cells at 1,060 Ah capacity.
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