Battery Issues from old man noob

ToeTag · January 13th, 2019, 18:08

So I haven't played since last April...awful I know. Broke out all my stuff and did some test firing only to realize that my batteries won't hold a charge. I have an Tenergy 9.6 1600 nimh and 2 UB 9.6 1600 nimh. I have the Dpower (Blue in colour) charger and have it set for 1.8A when charging....not sure the difference between 0.9 and 1.8A. Also - one of the UB batts got so hot during the recharge it melted some of the plastic....that prolly is not a good thing.

Are the batteries now dead? Do I keep charging these things in the hope the juice comes back? Do I buy a new charger that can discharge/charge/discharge...repeat. Do I go lipo going forward?

Thanks,
ToeTag

ThunderCactus · January 13th, 2019, 21:56

Charge those at 0.9A, but if the cells got to 0 they could flip polarity and you'll never be able to charge them again.
NiMH loses a pretty significant chunk of charge every month, so if you don't charge them for a year, they're dead.
LiPo would be the way to go, new charger, new batteries.

devbro · January 13th, 2019, 21:57

I assume that you did try to charge them a few times. And the voltage does not go up, or if it goes up, it comes down quickly. If that is the case your battery is gone for good.

charging dead batteries are not a good idea. You can try to charge them slowly at 0.1 to 0.5A range. Do it outside if you can for safety reasons and keep checking for over heating.

If I were you, I would just buy a brand new battery.

Infantryman · January 14th, 2019, 00:08

Make the switch to lipo. I did recently. So much better. Happy I made the change

they're not dangerous like some websites make them seem.

ToeTag · January 14th, 2019, 17:22

Hey Chief - I just ordered today. Should have made the switch a while ago from what i've read. Thanks for letting me know your experience.

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January 13th, 2019, 18:08	#1
ToeTag Trader rating Join Date: Nov 2013 Location: Campbellford, Ontario	Battery Issues from old man noob So I haven't played since last April...awful I know. Broke out all my stuff and did some test firing only to realize that my batteries won't hold a charge. I have an Tenergy 9.6 1600 nimh and 2 UB 9.6 1600 nimh. I have the Dpower (Blue in colour) charger and have it set for 1.8A when charging....not sure the difference between 0.9 and 1.8A. Also - one of the UB batts got so hot during the recharge it melted some of the plastic....that prolly is not a good thing. Are the batteries now dead? Do I keep charging these things in the hope the juice comes back? Do I buy a new charger that can discharge/charge/discharge...repeat. Do I go lipo going forward? Thanks, ToeTag Last edited by ToeTag; January 13th, 2019 at 18:27..

January 13th, 2019, 21:57	#3
devbro Trader rating Join Date: Feb 2016 Location: Thornhill, ON, Canada, North America, Earth	I assume that you did try to charge them a few times. And the voltage does not go up, or if it goes up, it comes down quickly. If that is the case your battery is gone for good. charging dead batteries are not a good idea. You can try to charge them slowly at 0.1 to 0.5A range. Do it outside if you can for safety reasons and keep checking for over heating. If I were you, I would just buy a brand new battery. __________________ Current Arsenal: AW Hi-Capa 5.1 X 2 EMG DD MK18 Cerakote VFC M4 MK18 CYMA AK47 TM MP5 First gen Rare find TM MP5A5 with swordfish 2004

January 14th, 2019, 00:08	#4
Infantryman Trader rating Join Date: Feb 2002 Location: Petawawa	Make the switch to lipo. I did recently. So much better. Happy I made the change they're not dangerous like some websites make them seem. __________________ Infantryman, AKA: Chief

January 13th, 2019, 21:56	#2
ThunderCactus Not Eye Safe, Pretty Boy Maximus on the field take his picture! Trader rating Join Date: Feb 2007	Charge those at 0.9A, but if the cells got to 0 they could flip polarity and you'll never be able to charge them again. NiMH loses a pretty significant chunk of charge every month, so if you don't charge them for a year, they're dead. LiPo would be the way to go, new charger, new batteries.

January 14th, 2019, 17:22	#5
ToeTag Trader rating Join Date: Nov 2013 Location: Campbellford, Ontario	Hey Chief - I just ordered today. Should have made the switch a while ago from what i've read. Thanks for letting me know your experience.

Battery Issues from old man noob

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