how to make a backup recharable battery using 8 aa batteries? to give output 9 volt?


Posted December 28th, 2009 by admin 5 Comments »
battery backup
Medi asked:


how to make a backup recharable battery using 8 aa batteries? to give output 9 volt?
i want to use it to my wireless router(tp-link) because the electricity cut sometimes and i dint want to lose my connection
any help ?
i have 8 AA batteries(rechargeable) 1,2 volt each,any circuit diagram? pls help
router need:0.8A
i have a battery (series circuit)
each one 2000mah