US electric carmaker Tesla Motors has unveiled batteries that can power homes and businesses

美國電動汽車製造商特斯拉汽車公司推出了可以為家庭和企業供電的電池。

as it attempts to expand beyond its vehicle business.

因為它試圖在汽車業務之外進行擴張。

Chief executive Elon Musk announced the firm would build batteries that store solar energy

首席執行官埃隆-馬斯克宣佈，該公司將製造儲存太陽能的電池。

and serve as a back-up system for consumers during blackouts.

並在停電期間作為消費者的後備系統。

The device would allow consumers to get off a power grid or bring energy to remote areas

該設備將使消費者能夠脫離電網或將能源帶到偏遠地區。

that are not on a grid.

不在一個網格內的。

Tesla plans to start shipping the units to installers in the US by this summer.

特斯拉計劃在今年夏天前開始向美國的安裝商發貨。

In a highly anticipated event near Los Angeles, Mr Musk said the move could help change the

在洛杉磯附近的一次備受期待的活動中，馬斯克先生表示，此舉可以幫助改變。

"entire energy infrastructure of the world".

"世界整個能源基礎設施"。

"Tesla Energy is a critical step in this mission to enable zero emission power generation,"

"特斯拉能源是實現零排放發電這一使命的關鍵一步，&quot。

the company said in a statement.

該公司在一份聲明中表示。

The rechargeable lithium-ion battery unit would be built using the same batteries Tesla

可充電的鋰離子電池單元將使用特斯拉的電池製造。

produces for its electric vehicles, analysts said.

分析師表示，為其電動汽車生產。

The system is called Powerwall, and Tesla will sell the 7kWh unit for $3,000, while

該系統名為Powerwall，特斯拉將以3000美元的價格出售7kWh的設備，而。

the 10kWh unit will retail for $3,500 to installers.

10kWh的裝置將以3500美元的價格向安裝商零售。

To help comparisons, Tesla provided estimates of how much energy is used by different devices

為了幫助比較，特斯拉提供了不同設備的能源消耗量的估計數

in the home. A flat-screen TV uses about 0.1kWh, a tumble dryer 3.3kWh and a laptop 0.05kWh.

在家裡。一臺平板電視的耗電量約為0.1kWh，一臺滾筒烘乾機的耗電量為3.3kWh，一臺筆記本電腦的耗電量為0.05kWh。

Energy comparison firm USwitch estimates that a small family in a three-bedroom house in

據能源比較公司USwitch估計，一個三居室房子的小家庭，要想獲得更多的能源，就必須要有更多的能源。

the UK uses about 3,200kWhs of electricity a year.

英國每年用電約3200kWhs。

Mr Musk said the company would partner with SolarCity to install the home batteries, but

馬斯克先生表示，該公司將與SolarCity合作安裝家用電池，但。

there would be more companies announced. Mr Musk is SolarCity's chairman and largest

會有更多的公司宣佈。馬斯克先生是SolarCity'的董事長，也是SolarCity最大的。

shareholder.

股東。

The sales of battery storage systems for homes and businesses could yield as much as $4.5bn

家庭和企業的電池儲能系統的銷售收益可高達45億美元

in revenue for Tesla, according to Deutsche Bank.

根據德意志銀行的數據，在特斯拉的收入。