uzb12.071 u-series b attery r eplacement 12v, 7ah b attery r eplacement ? maintenance-free vrla lead-acid battery ? agm (absorbent glass mat) technology ? can be installed in any orie ntation except permanently inverted 1. g eneral d escription 1/6 the uzb12.071 is a non-spillab le maintenance-free vrla lead-acid battery with ab sorbent glass mat (agm) technology. it can be used as a battery replacement for many dc-ups battery modules. 2. s hort - form d ata nominal voltage dc 12v nominal battery capacity 7ah capacity class nominal battery life 3 to 5 years according eurobat battery current max. 35a discharging current max. 1.8a charging current recommended charging voltage 13.9v 13.75v 13.6v 13.45v at 10c at 20c at 30c at 40c self-discharge rate 3%/month at 20c temperature range -10c to +40c for charging -15c to +50c for discharging connection terminal faston 250 6.35x0.8mm size (wxhxd) 151x100x65mm weight 2700g / 5.95lb 3. o rder n umbers battery replacement uzb12.071 4. m arkings aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany
uzb12.071 u-series b attery r eplacement 12v, 7ah i ndex page page 1. general description ............................................1 2. short-form data ..................................................1 3. order numbers ....................................................1 4. markings ..............................................................1 5. intended use .......................................................3 6. instructions for disposal of the batteries ...........3 7. instructions for battery storage .........................3 8. installation instructions ...................................... 3 9. environment ....................................................... 4 10. fulfilled standards .............................................. 4 11. physical dimensions and weight ....................... 5 12. recommendations for a long battery life ....... 6 the information given in this document is correct to the best of our kn owledge and experience at the time of publication. if not expressly agreed othe rwise, this information does not represent a warranty in the legal sense of the word. as the state of our knowledge an d experience is constantly changing, the information in this data sheet is subject to revision. we therefore ki ndly ask you to always use the latest issue of this document (available under www.pulspower.com). no part of this document may be re produced or utilized in any form wit hout our prior permission in writing. warning risk of electrical shock, fi re, personal injury or death. - do not short-circuit the battery poles or power wires and always check correct battery polarity. - do not modify or repair the unit. aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 2/6
uzb12.071 u-series b attery r eplacement 12v, 7ah 5. i ntended u se the battery is intended to be a replacemen t part for various dc-ups battery modules. 6. i nstructions for d isposal of the b atteries batteries must be completely discharg ed before replacement and can be returned to the supplier of the battery module or the battery ma nufacturer for disposal. always dispose batteries thr ough a recycling organization. 7. i nstructions for b attery s torage do not store batteries or battery modul es at temperatures higher than 25c or performance and lif etime may change. do not store discharged batteries . keep batteries fully charged! charge retention is important to get th e longest battery life. stored batteries which are not fully charged age faster then charged batteries. do not store batteries longer than 9 months without charging or performance and lifeti me may change. every 9 months or whenever the open circuit voltage (ocv) falls below 12.6v, the battery module should be charged. apply a charging voltage of 13.8v (at 25c) fo r 72 hours. batteries with an ocv below 12v must not be charged anymore and must be disposed. 8. i nstallation i nstructions install batteries in an enclosure pr oviding protection against electrical, mechanical and fire hazards. do not install the battery upside down. do not cover or block the pressure release valves on top of the battery. hydrogen gas can be released vi a pressure relief valves. it will form an ex plosive mixture in air when the concentration exceeds 4% in volume. it is mandatory to ensure sufficient ventilation of the battery. the necessary air flow must be calculated according to en 50272-2. caution: the unit contains wet cell batte ries. ventilation of the in stallation room in accordan ce with the rules of canadian electrical code, part 1 is required if used in canada. the maximum surrounding air temperature is +50c / +122f. the operational temper ature is the same as the ambient or surrounding air temperature a nd is defined as the air temp erature 2cm below the device. aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 3/6
uzb12.071 u-series b attery r eplacement 12v, 7ah 9. e nvironment operational temperature *) -10c to +40c (14f to 104f) for charging frequently charging belo w +5c (41f) reduced the lifetime of the battery -15c to +50c (5f to 122f) for discharging storage temperature -20c to +50c (-4f to 122f) for storage and transportation recommendation: do not store at temperatures higher than 25c or performance and lif etime may change. humidity 5 to 95% r.h. iec 60068-2-30 do not energize while condensation is present vibration sinusoidal 4mm at 16.7hz fixed frequency for 1hour vibration in vertical mounting orientation according to iec/en 61056-1 shock free fall from 20cm onto a wooden floor shock with bottom down orientation according to iec/en 61056-1 altitude 0 to 6000m (0 to 20 000ft) degree of pollution 2 according to iec 62477-1, not conductive *) operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit. 10. f ulfilled s tandards ul 1989 component recognition - stand-by batteries ul category bazr2 rohs directive batteries are exempt from the directive 2011/65/eu of the european parliament and the council of june 8 th , 2011 on the restriction of the use of certa in hazardous substances in electrical and electronic equipment. reach directive directive 1907/2006/eu of the european parliament and the council of june 1 st , 2007 regarding the registration, evaluation, authorisation a nd restriction of chemicals (reach) iec 61056 iec general purpose lead-acid batteri es (valve-regulated types) aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 4/6
uzb12.071 u-series b attery r eplacement 12v, 7ah 11. p hysical d imensions and w eight width 151mm / 5.94 height 94mm / 3.70 container height height 100mm / 3.94 with battery poles depth 65mm / 2.56 weight 2700g / 5.95lb fig. 11-1 isometric view all dimensions in mm aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 5/6
uzb12.071 u-series b attery r eplacement 12v, 7ah aug. 2017 / rev. 1.0 ds-uzb12.071 all parameters are typical values specified at, 25c ambient temperature unless otherwise noted. www.pulspower.com phone +49 89 9278 0 germany 12. r ecommendations for a l ong b attery l ife temperature: the temperature has the most impact on the service life. the hotter the temperature, the earlier the wear-out phase of the battery begins. the wear-out resu lts in a degradation of ba ttery capacity. place the battery module in a cool location, e.g. near the bottom of the c ontrol cabinet. do not place the battery module near heat generating devices. do not overchar ge batteries! fig. 12-1 service life (according to eurobat) vs. ambient temperature, typ. 20c 10 30c 35c 40c 45c 8 6 4 2 ambient temperature 25c 1 3 5 7 9 service life in years design life of battery a: 3-5 years b: 6-9 years c: 10-12 years a b c number of discharge cycles and depth of discharge: do not discharge batteries more than necessary. set buffer time limiter to th e required buffer time. the number, as well as the depth of discharging cycl es is limited. a replacement of the battery might be necessary earlier. when choosing the battery capacity, always try to get the next higher capacity than required. the depth of discharge reduces the service life of the batte ry and limits the number of cycles. fig. 12-2 battery degradation vs. discharging cycles, typ. 0 120% 100% 40% 20% number of discharging cycles 200 60% 80% cell capacity depth of discharge a: 100% b: 50% c: 30% 400 600 800 1000 1200 a b c store batteries fully charged do not store discharged batteries . keep batteries fully charged! charge retention is important to get th e longest battery life. stored batteries which are not fully charged age faster then charged batteries. batteries whic h are not in use should be recharged at least once a year. the higher the ambient temperature, th e shorter the charging interval. at storage temperatures higher than 30c, recharging should be done at least ev ery nine months. 6/6
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