1. Large current can be drawn from them
2. They can be kept in a discharged condition for a long time before being ruined.
3. They require very little attention to be maintained.
4. They are lighter than the lead-acid accumulators
Disadvantages
1. They are very expensive
2. They have a lower electromotive force.
joseph rimiru answered the question on November 2, 2017 at 19:09
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