Midland Radio ER300, Instruction Manual

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12 | Midland ER300
port labeled “USB In” on the side of the device. If the Li-/AA se-
lector is in ‘Li’ position, the CHARGE indicator light will be lit
when the USB charge cable is plugged in. The battery icon on the
LCD will flash as the battery charges. When the Li-ion battery
has reached full charge, the battery icon will stop flashing and will
have 3 bars . It will take approximately 5.30 hours to recharge
a completely depleted battery pack using the USB charge cable.
Rechargeable Battery
The included rechargeable battery is located in the battery com-
partment and is charged by turning the hand crank, exposing the
solar panel to sunlight, or by using the USB cable to attach to a
USB power source. The battery is specified as 3.7 VDC, 2200
mAh, lithium ion (Li-ion).
Warning:
• Only use Midland’s Li-ion battery pack.
• Do not attempt to charge alkaline batteries or any battery packs
other than the ones indicated in this manual. This could cause lea-
kage and damage to the device.
Dynamo Power
Turning the hand crank charges the built-in Li-ion battery pack. To
charge the ER300 using the hand crank, start turning the crank.
The indicator light will be lit while the unit is being cranked. Speed
of cranking and length of time cranked will determine the charge
of the Li-ion battery. The battery icon on the LCD will flash as the
battery charges. When the Li-ion battery has reached full charge,
the battery icon will stop flashing and will have 3 bars .