我的48V电动车是4个12V20A个电瓶的，我家还有2个12V20A，可以并联在其中2个电瓶上吗？有危险吗？ 12v电瓶20安时是什么意思
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没危险，都充满电，测量电压，选择两个一样，后两个低不行，说明内阻大，用上反而耗电。
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绛旓細1銆佸鏋滈偅涓鍧楀閲忔槑鏄句綆浜庡叾浣欎笁鍧楃殑璇濇槸鍙互骞惰仈鐨勩傚苟鑱斾竴鍧楃數鐡跺彧鑳藉鍔犺繖涓鍧楃數鐡剁殑瀹归噺锛屼笉浼氫激瀹虫帶鍒跺櫒鐨勩2銆佸拰鏁寸粍锛48v锛夌殑鍗冧竾涓嶈兘骞惰仈锛屼細鐖嗕笖鍧忕數鐡剁殑銆3銆佷覆鑱斾篃涓嶅彲浠ワ紝鐢靛帇澶珮姣佸潖鐢靛姩杞璋冮熷櫒绛夌數鍣ㄧ殑鐨勩傞搮閰哥數姹犳槸閫氳繃閾呬笌纭吀鐨勫寲瀛﹀弽搴旀潵浜х敓鐢靛帇鐨勶紝鑰岃繖涓寲瀛﹀弽搴旀墍鑳戒骇鐢熺殑...
绛旓細4鍧12V鐢电摱鐨勬荤數鍘涓48V锛屽洜姝ゆ瘡鍧楃數鐡剁殑鐢靛帇涓12V x 4 = 48V銆傚亣璁炬瘡鍧楃數鐡剁殑瀹归噺涓40Ah锛屾瘡鍧楃數鐡跺彲浠ユ彁渚400Wh鐨勭數鑳斤紝鍗4鍧12v鐢电摱鑳借窇80鍏噷宸﹀彸銆鐢靛姩杞鐨勫疄闄呯画鑸篃鏍逛綘鐨勭數鐡舵柊鏃х▼搴︺佺數姹犲閲忋佷繚鍏绘儏鍐点佽浇浜烘儏鍐点佽溅涓讳綋閲嶃佸ぉ姘旀儏鍐点佽儙鍘嬫儏鍐垫湁鐩存帴鐨勫叧绯伙紝姝ｅ父鐞嗚缁埅鍜屽疄闄呯画鑸細鐩稿樊2...
绛旓細瑕佸苟灏卞苟鍥涗釜锛屽苟涓婁袱涓病浠涔堜綔鐢紝杩樼粰鏃ュ父缁存姢鍏呯數甯︽潵楹荤儲锛屾病骞剁殑涓や釜鐢垫睜鐢ㄥ畬浜嗭紝骞惰仈鐨勪袱锛堝洓锛変釜杩樻湁涓鍗婏紝杩欑數鍏呰繕鏄笉鍏咃紵鍏呬簡锛屾病鐢ㄥ畬鐢电殑鍏呭潖浜嗭紝鐢ㄥ畬鐢电殑杩樻病鍏呭锛岄夯涓嶉夯鐑︺
绛旓細鏈濂芥槸鑳界敤鎬ц兘鐩稿悓鐨勭數鐡躲傚師鍥犳槸锛1銆佹ц兘涓嶄竴鑷寸殑鐢电摱涓茶仈浣跨敤锛岄殢鐫鍏呮斁鐢垫鏁扮殑澧炲姞锛岀數鐡剁殑瀛樼數閲忛愭笎浜х敓涓嶅悓锛屽澶栬〃鐜板嚭姣忓彧鐢电摱鐢靛帇涓嶅悓銆2銆佹斁鐢垫椂锛屽鏋滀笉鑳芥彁鍓嶇粓姝㈡斁鐢碉紙鎰忓懗鐫鐢电摱瀹归噺鎵撴姌鎵ｏ級锛屾讳細鏈変竴涓數鐡跺厛鏀句簭鐢碉紝鑰屽叾瀹冧粛鐒剁數鍘嬭緝楂橈紝3銆佺數鐡朵簭鐢碉紝瀵垮懡缂╃煭80%锛岀敋鑷虫崯鍧忥紝4銆...
绛旓細鐢垫睜鏍囧彿48v12AH鏄〃绀鐢靛姩杞瀹夎鐨勬槸4鍧12瀹夌殑鐢垫睜缁勬垚銆12AH鐨勭數姹犺〃绀烘剰鎬濇槸杩欎竴鍧楃數姹犵殑瀹归噺鏄彧鏈12AH銆傚競闈笂浣跨敤鐨勭數姹狅紝鍓嶉潰鐨勬湁48~72浼忛兘琛ㄧず鐨勬槸杩欒締鐢靛姩杞﹁鐨勬槸澶氬皯浼忕數姹狅紝鏈夊嚑鍧楃數姹犵粍鎴愩傚悗闈㈢殑鏁板瓧鏄〃绀12A涓52A锛岃繖涓槸涓嶅悓瀹归噺鐨勭數姹犲瀷鍙枫傜數鍔ㄨ溅鏍48V锛岃〃绀虹數鍔ㄨ溅鐨勭數鍘嬫槸48浼...
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