{{asm-text}} Three alkaline cells (such as AA batteries) can be installed in a battery holder to provide 4.5 Volts. Though larger and heaver than the fancy lithium-polymer pack, they’re inexpensive and readily available.
{{asm-text}} Three alkaline cells (such as AA batteries) can be installed in a battery holder to provide 4.5 Volts. Though larger and heaver than the fancy lithium-polymer pack, they’re inexpensive and readily available.