現在太陽能充電器已經(jing)很常見了，那(nei)么(me)就會(hui)有更多(duo)人(ren)來(lai)關注太(tai)(tai)陽能(neng)(neng)充(chong)電(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)性能(neng)(neng)問題(ti)。要評價(jia)(jia)一款太(tai)(tai)陽能(neng)(neng)充(chong)電(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)性能(neng)(neng)，可以從下面(mian)三個(ge)方面(mian)來(lai)看：電(dian)(dian)(dian)池(chi)： 由于(yu)太(tai)(tai)陽能(neng)(neng)充(chong)電(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)使(shi)用(yong)環境跟普通的(de)(de)(de)(de)(de)電(dian)(dian)(dian)子產品有所(suo)不同(tong)(tong)，所(suo)以太(tai)(tai)陽能(neng)(neng)充(chong)電(dian)(dian)(dian)器(qi)(qi)(qi)對內置電(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)(de)要求也(ye)最高。但這恰恰是消費(fei)者容(rong)(rong)易忽略的(de)(de)(de)(de)(de)地(di)方，同(tong)(tong)時(shi)也(ye)是一些(xie)缺乏社會(hui)責任感的(de)(de)(de)(de)(de)廠(chang)家容(rong)(rong)易做(zuo)手腳的(de)(de)(de)(de)(de)地(di)方。在市面(mian)上(shang)，一塊(kuai)同(tong)(tong)樣容(rong)(rong)量的(de)(de)(de)(de)(de)電(dian)(dian)(dian)池(chi)價(jia)(jia)格可能(neng)(neng)相差好幾(ji)倍，所(suo)以，某些(xie)山(shan)寨廠(chang)商就瞄準了這塊(kuai)的(de)(de)(de)(de)(de)暴利(li)，很多(duo)非常廉(lian)價(jia)(jia)的(de)(de)(de)(de)(de)充(chong)電(dian)(dian)(dian)器(qi)(qi)(qi)使(shi)用(yong)的(de)(de)(de)(de)(de)都是二(er)次電(dian)(dian)(dian)芯翻新后的(de)(de)(de)(de)(de)電(dian)(dian)(dian)池(chi)，好點的(de)(de)(de)(de)(de)就是用(yong)電(dian)(dian)(dian)池(chi)里的(de)(de)(de)(de)(de)B品、C品的(de)(de)(de)(de)(de)電(dian)(dian)(dian)池(chi)。這樣的(de)(de)(de)(de)(de)電(dian)(dian)(dian)池(chi)使(shi)用(yong)壽(shou)命短不說，還有可能(neng)(neng)給消費(fei)者帶來(lai)人(ren)身安全上(shang)的(de)(de)(de)(de)(de)風險。

    太陽能充電器的(de)(de)內置電(dian)(dian)池(chi)應以(yi)鋰(li)聚(ju)合(he)物電(dian)(dian)池(chi)為(wei)(wei)(wei)佳，相(xiang)對于(yu)平時我(wo)們(men)常(chang)(chang)見(jian)的(de)(de)鋰(li)電(dian)(dian)池(chi)（液態鋰(li)離子(zi)），聚(ju)合(he)物電(dian)(dian)池(chi)的(de)(de)鋰(li)離子(zi)成膠(jiao)體(ti)裝，活躍(yue)程度遠小于(yu)液態鋰(li)離子(zi)電(dian)(dian)池(chi)，因此不會產生(sheng)爆炸。并(bing)且為(wei)(wei)(wei)適(shi)用(yong)(yong)(yong)太陽能(neng)充電(dian)(dian)器的(de)(de)使用(yong)(yong)(yong)環境(jing)，聚(ju)合(he)物電(dian)(dian)池(chi)最(zui)好經(jing)過高溫處(chu)理，提(ti)升電(dian)(dian)池(chi)的(de)(de)耐高溫極(ji)限。 最(zui)后，需要注(zhu)意的(de)(de)是(shi)外殼(ke)表(biao)面處(chu)理和它(ta)的(de)(de)各(ge)種(zhong)附(fu)件。市面上(shang)常(chang)(chang)見(jian)的(de)(de)太陽能(neng)充電(dian)(dian)器以(yi)塑膠(jiao)殼(ke)為(wei)(wei)(wei)主，外表(biao)處(chu)理主要有亮油、橡膠(jiao)漆(qi)(qi)，UV。亮油價(jia)格比較(jiao)便宜，同時表(biao)面容易出現劃痕。橡膠(jiao)漆(qi)(qi)手感非常(chang)(chang)舒適(shi)，但(dan)隨使用(yong)(yong)(yong)時間(jian)的(de)(de)增加會掉漆(qi)(qi)。UV一般只(zhi)在高檔品牌手機上(shang)才使用(yong)(yong)(yong)，價(jia)格昂貴(gui)。

     采用(yong)UV處(chu)理，產品(pin)表(biao)面(mian)(mian)(mian)光(guang)潔(jie)精(jing)細，同(tong)時硬(ying)度好(hao)，不(bu)(bu)掉漆，不(bu)(bu)會(hui)留劃痕。 如果太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)充電器有(you)(you)配DC適(shi)(shi)配器，多(duo)關注一(yi)(yi)下(xia)DC適(shi)(shi)配器的(de)(de)(de)(de)(de)(de)質(zhi)量是(shi)有(you)(you)必要的(de)(de)(de)(de)(de)(de)。畢竟這關系到產品(pin)和(he)(he)人身安全。太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)板(ban)(ban)： 目(mu)前市(shi)面(mian)(mian)(mian)上(shang)的(de)(de)(de)(de)(de)(de)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)分為(wei)(wei)非(fei)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)和(he)(he)晶(jing)(jing)(jing)(jing)(jing)體硅(gui)(gui)。其中晶(jing)(jing)(jing)(jing)(jing)體硅(gui)(gui)又可分為(wei)(wei)多(duo)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)和(he)(he)單(dan)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)。從三種材料的(de)(de)(de)(de)(de)(de)光(guang)電轉換效率(lv)來看是(shi)：單(dan)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)（最高可達１７％）>多(duo)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)（１２～１５％）>非(fei)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)（５％　左右）。但晶(jing)(jing)(jing)(jing)(jing)體硅(gui)(gui)（單(dan)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)和(he)(he)多(duo)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)）的(de)(de)(de)(de)(de)(de)在弱(ruo)光(guang)下(xia)基本上(shang)不(bu)(bu)會(hui)有(you)(you)電流產生，非(fei)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)弱(ruo)光(guang)型好(hao)（在弱(ruo)光(guang)下(xia)能(neng)(neng)(neng)量本來就很少）。所以(yi)綜合看來，宜(yi)用(yong)單(dan)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)或多(duo)晶(jing)(jing)(jing)(jing)(jing)硅(gui)(gui)作太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)的(de)(de)(de)(de)(de)(de)材料。 接下(xia)來我(wo)們要關注的(de)(de)(de)(de)(de)(de)重(zhong)點就是(shi)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)板(ban)(ban)的(de)(de)(de)(de)(de)(de)功率(lv)，一(yi)(yi)般說來，太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)板(ban)(ban)的(de)(de)(de)(de)(de)(de)功率(lv)跟(gen)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)晶(jing)(jing)(jing)(jing)(jing)片的(de)(de)(de)(de)(de)(de)面(mian)(mian)(mian)積成正(zheng)比（太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)電池(chi)晶(jing)(jing)(jing)(jing)(jing)片的(de)(de)(de)(de)(de)(de)面(mian)(mian)(mian)積不(bu)(bu)完全等同(tong)于太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)封裝(zhuang)面(mian)(mian)(mian)板(ban)(ban)的(de)(de)(de)(de)(de)(de)面(mian)(mian)(mian)積，因(yin)為(wei)(wei)有(you)(you)的(de)(de)(de)(de)(de)(de)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)面(mian)(mian)(mian)板(ban)(ban)雖然(ran)大(da)，但太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)晶(jing)(jing)(jing)(jing)(jing)片排列的(de)(de)(de)(de)(de)(de)縫(feng)隙很寬，這樣的(de)(de)(de)(de)(de)(de)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)面(mian)(mian)(mian)板(ban)(ban)功率(lv)不(bu)(bu)一(yi)(yi)定(ding)高。比如我(wo)們的(de)(de)(de)(de)(de)(de)VSC－０３雖然(ran)太(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)(neng)(neng)面(mian)(mian)(mian)板(ban)(ban)不(bu)(bu)大(da)，但晶(jing)(jing)(jing)(jing)(jing)片排列緊密，在比較小的(de)(de)(de)(de)(de)(de)面(mian)(mian)(mian)積上(shang)也實現(xian)了(le)0.75ｗ的(de)(de)(de)(de)(de)(de)功率(lv)）。

    一般說來，太陽能面板的功率是越大越好，這樣在陽光下產生的電流大，能很快將其內置電池充滿。但現實中，需要在太陽能面板的功率和太陽能充電器的便攜性中找一個平衡點。一般說來，我們認為太陽能充電器的功率最小不能低于0.75w，（此功率的太陽能板在標準光強下有140ｍA的電流產生。在一般陽光下產生的電流在１００mA左右）如果低于此功率充電電流過小，基本上不會有明顯效果。 控制電路： 如果說太陽能面板是充電器的(de)前端(duan)部分，負責采(cai)集太(tai)陽能(neng)并將太(tai)陽能(neng)轉(zhuan)化為電(dian)能(neng)，那么控制電(dian)路(lu)就是整個產品的(de)中樞(shu)。它主要承擔兩方面(mian)的(de)功能(neng)：一是將前端(duan)產生的(de)電(dian)流盡可(ke)能(neng)儲(chu)存到內置(zhi)電(dian)池(chi)而(er)杜絕或(huo)者將浪費(fei)減少(shao)到最低限度；二是當充電(dian)器(qi)給手(shou)機等(deng)(deng)設(she)備(bei)充電(dian)時，盡可(ke)能(neng)多的(de)將內置(zhi)電(dian)池(chi)里的(de)電(dian)量(liang)輸出(chu)給手(shou)機等(deng)(deng)設(she)備(bei)，而(er)盡量(liang)少(shao)的(de)將電(dian)量(liang)損耗(hao)在線路(lu)上。

      遺憾(han)的(de)是(shi)，由(you)于(yu)認知或(huo)技術上的(de)問(wen)題(ti)，目前(qian)國內廠商對太陽(yang)(yang)能充電(dian)(dian)(dian)(dian)(dian)器控(kong)制電(dian)(dian)(dian)(dian)(dian)路設(she)計的(de)優化沒有引起足夠(gou)的(de)重視，導致生(sheng)產出(chu)來的(de)太陽(yang)(yang)能充電(dian)(dian)(dian)(dian)(dian)器實(shi)用性較差：前(qian)端(duan)產生(sheng)的(de)電(dian)(dian)(dian)(dian)(dian)流(liu)不能完(wan)全存(cun)儲(chu)到(dao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)；內置(zhi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)給手機等設(she)備(bei)充電(dian)(dian)(dian)(dian)(dian)時(shi)，很(hen)大一(yi)(yi)部分電(dian)(dian)(dian)(dian)(dian)流(liu)浪費在(zai)線路上，未能輸入(ru)到(dao)充電(dian)(dian)(dian)(dian)(dian)設(she)備(bei)上。 所以(yi)消費者在(zai)選擇太陽(yang)(yang)能充電(dian)(dian)(dian)(dian)(dian)器時(shi)，需要多留意一(yi)(yi)下這(zhe)兩(liang)個指標：二(er)次(ci)轉換率(lv)（前(qian)端(duan)產生(sheng)的(de)電(dian)(dian)(dian)(dian)(dian)存(cun)儲(chu)到(dao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)效(xiao)率(lv)）和放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)效(xiao)率(lv)（內置(zhi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)里的(de)電(dian)(dian)(dian)(dian)(dian)輸入(ru)到(dao)需要充電(dian)(dian)(dian)(dian)(dian)設(she)備(bei)上的(de)效(xiao)率(lv)）。這(zhe)兩(liang)個效(xiao)率(lv)是(shi)越高越好。一(yi)(yi)般說來，二(er)次(ci)存(cun)儲(chu)效(xiao)率(lv)目前(qian)做得很(hen)好的(de)可以(yi)達到(dao)９５％，放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)效(xiao)率(lv)可以(yi)達到(dao)８３％以(yi)上。

　　衡(heng)量控(kong)(kong)制(zhi)電(dian)(dian)路好壞的(de)另一個重要標準(zhun)是：控(kong)(kong)制(zhi)電(dian)(dian)路是否做了(le)各種保護。通(tong)常來說，一款好的(de)太陽能(neng)充(chong)(chong)電(dian)(dian)器，控(kong)(kong)制(zhi)電(dian)(dian)路應該具備：過(guo)流(liu)保護（當(dang)電(dian)(dian)流(liu)過(guo)高時能(neng)自(zi)動限流(liu)，不會對(dui)充(chong)(chong)電(dian)(dian)設(she)備產生損(sun)害），過(guo)沖保護（當(dang)電(dian)(dian)池(chi)電(dian)(dian)量達到設(she)定的(de)限度時，將(jiang)自(zi)動停止對(dui)電(dian)(dian)池(chi)的(de)充(chong)(chong)電(dian)(dian)，從而杜絕電(dian)(dian)池(chi)損(sun)壞甚至爆炸(zha)的(de)可(ke)能(neng)），過(guo)放(fang)保護（主(zhu)要是用(yong)來保護電(dian)(dian)池(chi)，避免深度放(fang)電(dian)(dian)而對(dui)電(dian)(dian)池(chi)產生損(sun)害），溫度保護（當(dang)控(kong)(kong)制(zhi)電(dian)(dian)路溫度超過(guo)設(she)定溫度，充(chong)(chong)電(dian)(dian)器將(jiang)自(zi)動停止工作，以保護電(dian)(dian)池(chi)）。

      如果控制電路上這些保護都沒做或者大部分沒做的話，那將會把太陽能充電器的質量風險(xian)轉嫁給(gei)需要(yao)充電(dian)的手機等數碼設(she)(she)備(bei)，很有可能給(gei)消費者(zhe)帶來損失。象我們(men)維勝特(te)自己(ji)研(yan)發太陽能充電(dian)器時，首(shou)先想到的就(jiu)是安全(quan)性如何保(bao)證。在這方面我們(men)下了很多功夫。所以(yi)消費者(zhe)在購(gou)買(mai)太陽能充電(dian)器不要(yao)一味去看價格。盡管(guan)電(dian)路保(bao)護設(she)(she)計不健全(quan)的充電(dian)器未必(bi)就(jiu)一定會損害(hai)您充電(dian)的設(she)(she)備(bei)，但花錢買(mai)個安心還是有必(bi)要(yao)的。