Betri

Betri (kutoka Kiingereza: "battery") ni kifaa kinachotumika kutunza chaji ya umeme kwa muda fulani.

Betri mbalimbali zilizopangwa kwa jozi.

Alama wakilishi ya betri.

Ilibuniwa na Mwitalia Alessandro Volta mnamo 1800.

Tazama pia

• Betri ya gari

Viungo vya nje

• Non-rechargeable batteries
• HowStuffWorks: How batteries work
• Other Battery Cell Types
• DoITPoMS Teaching and Learning Package- "Batteries"
• The Physics arXiv Blog (17 August 2013). First Atomic Level Simulation of a Whole Battery | MIT Technology Review. Technologyreview.com. Iliwekwa mnamo 21 August 2013.