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....

Key Features Battery checker with built in cell balancingAdvanced Servo testing feature helps with model setupSpektrum Smart battery technology allows users to take advantage of Smart Battery featuresEasy to read full colour displayQualcomm 3.0 compatible USB power port with Quick Charge for compatible Android and IOS devices (up to 12v and 2 amps)Update por....

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.....

Key Features Protects aircraft from unwanted landings and batteries from over-discharging Programmable voltage threshold Ideal for all electric vehicles, boats, and aircraft using LiPo batteries Protects drivers from over-discharging LiPo's when using an ESC that doesn't have Low Voltage Cutoff Monitors a batteries low voltage....