storage battery
noun/ˈstɔːrɪdʒ bætri/, /ˈstɔːrɪdʒ bætəri/
/ˈstɔːrɪdʒ bætəri/
(North American English) (British English accumulator)
- a large battery that you can fill with electrical power (= that you can recharge)
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storage battery