Battery 4V - 1 Ah "Delta DT" (DT 401) Review

General Description: Delta''s DT Series lead acid batteries are specifically designed for low demanding applications and are optimized for cycling. Delta DT batteries have low internal resistance and high energy density. Responding to international safety standards, they are recommended for use in security and fire systems and access control systems. Features and Benefits: AGM technology allows recombination of up to 99% of the emitted gas; No restrictions on air travel; Compliance with UL, IEC, GOST R requirements; Calcium-alloyed lead plates provide low self-discharge, high structural strength of the grid; Does not require topping up water; High energy density; The battery case is made of flame retardant ABS plastic. Standards and certificatesDeclaration of conformity GOST 12.2.007.12-88; GOST R IEC 61056-1-2012; GOST R IEC 60896-2-99 Service life up to 40 Ah - 5 years; over 65Ah - 7-10 years. In cyclic mode: up to 40 Ah - 1000 cycles at 30% depth of discharge; over 65 Ah - 1100 cycles at 30% depth of discharge. Fields of application Security systems Electronic cash registers Electronic test equipment Emergency lighting systems Geophysical and geodetic equipment Control and access systems capacity (25°C)20 hour discharge (0.05 A; 1.70 V/cell) 1 Ah10 hour discharge (0.09 A; 1.70 V/cell) 0.9 Ah5 hour discharge (0.16 A; 1.70 V/cell) 0.8 AhSelf-discharge 3% capacity in month at 25°CInternal resistance of a fully charged battery (25°C) 120 mΩ Operating temperature rangeDischarge -15÷50Charge -10÷50Storage -20÷50Max. discharge current (25°С) А (5s) Cyclic mode (2.4÷2.5 V/cell) Max. charging current 0.3 ATemperature compensation 10 mV/°СBuffer mode (2.27÷2.3 V/el)Temperature compensation 6.6 mV/°СDimensions (±1mm)Length, mm 35Width, mm 22Height, mm 64Total height, mm 69Weight (±3%) kg 0.1