AGM/GEL auxiliary battery specially adapted to the leisure world (captive liquid electrolyte). AGM/GEL technology allows discharge rates of up to 100% of the battery's capacity to take advantage of the maximum energy available. Waterproof and maintenance-free (very low self-discharge: 1 to 3% per month). Protected against pressure variations and designed to prevent gas build-up inside the battery. Discharge limit voltage: 10.6 V. With adapters for attaching self-clamping lugs and lugs with butterfly clamps.