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MUST-HAVE TOOLS: BATTERY TESTERS
What they are and why you need them Battery checkers will keep you in the know. Battery power is what keeps our aircraft in the air and is something of which we should always keep track. With small- to medium-size planes, your LiPo pack will be used to power the motor along with the airborne radio system (through a BEC). On larger planes, many pilots use a separate battery pack to power the airborne system....
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