Enkele soorten batterijen en accu’s; elk type spanningsbron heeft zijn eigen spanning.

Several types of batteries and accumulators; each type of power source has its own voltage. Translation: Various kinds of batteries and power cells, each with a unique voltage capacity. These might include alkaline batteries, lithium batteries, NiMH rechargeable batteries, and lead-acid car batteries, all of varied sizes and shapes. Each power source should visibly display their respective voltage ratings.