Features:

LiFePO4 12.8V 30Ah Lithium Batteries
With high lifespan: from 5000 cycles to several tens of thousands
Possible deep discharges (up to 100%)
Lithium Iron Phosphate technology completely secure (no risk of explosion or self-ignition)
BMS (Battery Management System) built into the case: maximizes battery life AND secures battery life
Very low environmental toxicity
Calendar life > 10 years
Excellent temperature hold (-20 to 60 degrees Fahrenheit)
Flexible system: no limit in parallel and 4 in series
Constant power throughout discharge (low internal resistance)
Very low Losses from Peukert (energy efficiency >98%)
Very low self-discharge (<3% per month)
No lead, no rare earths, no acid, no degassing
Weight gain > 50% and 40% reduced footprint compared to lead batteries
Certification: CE, MSDS, UN 38.3