You can get lipo discharge warning devices such as this
http://customidea.com/shop/product_i...roducts_id=102
this one is a fairly simple one that works on the voltage level across the pack, the voltage can be programmed into it , I use one of these on my Trex works well, ive not lost a battery as yet due to over discharging.
the other type you can get actually monitor the cells individually aurrora do one, but im sure there are lots of others around.
http://customidea.com/shop/product_i...roducts_id=102
this one is a fairly simple one that works on the voltage level across the pack, the voltage can be programmed into it , I use one of these on my Trex works well, ive not lost a battery as yet due to over discharging.
the other type you can get actually monitor the cells individually aurrora do one, but im sure there are lots of others around.



................a gust of wind caught the heli and WOW
for a few seconds until........BANG,the heli head butted my workshop wall.
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