Product Overview Can't remember which of your batteries you charged, or just want to check how much charge is left in a pack, grab yourself a Smart Guard 3. When using the Smart Guard 3 with any Lithium (LiPo, LiIon, LiFe) or Nickle (NiCd/NiMH) based battery packs you will be able to instantly see the overall voltage and capacity (displayed as a....

The SmartAlarm has similar functionality to the SmartGuard, but is smaller and includes a programmable low voltage alarm. Being lightweight, the SmartAlarm can also be used as an on-board battery monitor and when combined with the remote twin 90dB sounder with LED it can give you live audible battery warnings in flight.....