The ASTERION DTM I series sealed lead-acid batteries are manufactured using AGM technology (electrolyte absorbed in a fiberglass separator), equipped with an LCD display that shows the battery operation status: voltage, capacity and number of days in use. DTM I series relates to the “Long Life” product line with up to 12 years service life , with the possibility of increasing it by 15-30% with a single replenishment (topping up) of a specialized component solution. They are recommended for use in uninterruptible power supplies, in electro-medical equipment, wheelchairs, boilers for heating systems, pumps, etc.