{"id":19,"date":"2007-02-23T23:54:09","date_gmt":"2007-02-23T22:54:09","guid":{"rendered":"http:\/\/elektroink.de\/2007\/02\/23\/betrachtungen-zu-batterien\/"},"modified":"2009-06-27T10:16:07","modified_gmt":"2009-06-27T10:16:07","slug":"betrachtungen-zu-batterien","status":"publish","type":"post","link":"https:\/\/transistorgrab.de\/en\/2007\/02\/23\/betrachtungen-zu-batterien\/","title":{"rendered":"Observations On Batteries"},"content":{"rendered":"<p>This article takes a look on the costs of batteries compared to accumulators and additional chargers.<\/p>\n<h3>Energie costs<\/h3>\n<p>Batteries are one of the most expensive energie sources.<br \/>\nLets make a calculation:<\/p>\n<ul>\n<li><strong>Battery:<\/strong> Alkaline, size: AA<\/li>\n<li><strong>Voltage:<\/strong> U = 1.5V<\/li>\n<li><strong>Capacity:<\/strong> K \u2248 2Ah<\/li>\n<\/ul>\n<p>For one battery the stored energy is:<\/p>\n<p class=\"box\">E = U \u22c5 K = 1.5V \u22c5 2Ah = <strong><span style=\"text-decoration: underline;\">3Wh<\/span><\/strong><\/p>\n<p>To get one kilowatthour energy out of batteries you need:<\/p>\n<table border=\"0\">\n<tbody>\n<tr>\n<td><span style=\"text-decoration: underline;\">1kWh<\/span><\/td>\n<td rowspan=\"2\">= <span style=\"color: red;\"><strong>333 Batteries<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td>3Wh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If one battery is 1,00 \u20ac then per kilowatt hour you pay:<\/p>\n<p>333 peaces \u22c5  1,00 \u20ac\/peace = <span style=\"color: red;\"><strong>333 \u20ac\/kWh<\/strong><\/span><\/p>\n<p>In comparision one kWh out of solar energy that is currently payed with 0,57\u20ac is indeed cheap.<br \/>\nSo it makes sense to use accumulators and a good charger if you use equipment with high energy demands like digital cameras or remote controlled model vehicles.<\/p>\n<p>Today there are size AA accumulators that have a capacity of more than 2500 mAh. With a durability of 1000 charge cycles that can be achieved with a good charger that means a accumulator can provide 2500 Ah during its live span.<\/p>\n<p>The accumulator voltage is 1.2 V. That results in 3 kWh energy during live span. If the accumulator costs 5,00 \u20ac and the charger is 40,00\u20ac then the costs per kWh are:<\/p>\n<p class=\"box\">45 \u20ac \/ 3kWh = <strong>15,00 \u20ac\/kWh<\/strong><\/p>\n<p>If you use more than one accumulator the costs decrease even more:<\/p>\n<p class=\"box\">for\u00a0 4 accumulators:  60\u20ac \/ 12kWh = <strong>5,00\u20ac\/kWh<\/strong><\/p>\n<p>Of course there are the costs for the electrical energy from the grid. For 0,20 \u20ac per kWh this are 2,40 \u20ac, in sum this is for 4 accumulators\u00a0 <strong>7,40 \u20ac\/kWh<\/strong>. The losses when charging and self discharge losses of the accumulators are neglected for this observations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This article takes a look on the costs of batteries compared to accumulators and additional chargers. Energie costs Batteries are one of the most expensive energie sources. Lets make a calculation: Battery: Alkaline, size: AA Voltage: U = 1.5V Capacity: K \u2248 2Ah For one battery the stored energy is: E = U \u22c5 K &hellip; <a href=\"https:\/\/transistorgrab.de\/en\/2007\/02\/23\/betrachtungen-zu-batterien\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Observations On Batteries<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[38,34,40,39],"class_list":["post-19","post","type-post","status-publish","format-standard","hentry","category-akkus","tag-batterie","tag-berechnung","tag-kosten","tag-strom"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8KIDw-j","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/posts\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":0,"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/posts\/19\/revisions"}],"wp:attachment":[{"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/media?parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/categories?post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/transistorgrab.de\/en\/wp-json\/wp\/v2\/tags?post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}