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Hyperion Battery Sentry |
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- What an amazing little device! It tells you all you need to know about your batteries.
Imagine you have just had two flights with your favourite aircraft. Is there enough capacity left in your battery for another flight? Just plug this device in to the balance plug on your LiPo pack and it will tell you what percentage of capacity you have left. It also tells you the current voltage of the pack and the balance of the cells. Your charger may tell you all of this, but you will have to put the pack on charge to find out - and most chargers do not tell you what the remaining charge is. You have to charge the pack to see how much was used and then work out how much was left!
As soon as I received my Battery Sentry, I checked all the packs in my garage. I found two packs that I had inadvertently left with full charge after a flying session. I was then able to discharge these packs down to half charge for storage.
The Battery Sentry also works with NiMH and NiCd packs, but does not give you as much information for packs with thsoe chemistries.
You will wonder how you managed without this device - now available at a very low price.- The specifications are:
- Displays battery voltage
- Displays remaining battery capacity in a percentage
- Also displays remaining capacity in a bar graph
- Tells you the difference between the high cell and the low cell in your pack
- Tells you which is the high cell and which is the low cell
- Displays voltage of all cells to three decimal places
- Helps you manage battery balance
- Price - only $39
Works with 2S packs even though a cable is missing
Also works with balance boards - all types
Works with all brands of battery - here with an Airstrike pack
Shows imbalance between high and low cell, and which cells these are - scroll through for individual readings of each cell