sure jab 50

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   http://store3.sure-electronics.com/aa-ja32171-1771
so im sure some of you must have used this board, it looks to be a really nice neat package with all the extras you can buy for it. got a few questions about it. 

whats the situation with the battery extension board ?how long a battery life could i potentialy get from three 18650s alone and how simple would it be to add more ? and how can i charge them ? a solar panel would be pretty cool as they suggested but what about mains adapter ? does it come with the amp ?

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ostrichmilkman Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 25 October 2010 Location: south norfolk Status: Offline Points: 137	Post Options Post Reply Quote ostrichmilkman Report Post Thanks(0) Quote Reply Topic: sure jab 50 Posted: 28 December 2017 at 3:19am
	http://store3.sure-electronics.com/aa-ja32171-1771 so im sure some of you must have used this board, it looks to be a really nice neat package with all the extras you can buy for it. got a few questions about it. whats the situation with the battery extension board ?how long a battery life could i potentialy get from three 18650s alone and how simple would it be to add more ? and how can i charge them ? a solar panel would be pretty cool as they suggested but what about mains adapter ? does it come with the amp ?
	work like a dog party like animal

carlosdelondres Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 21 June 2012 Location: London Status: Offline Points: 243	Post Options Post Reply Quote carlosdelondres Report Post Thanks(0) Quote Reply Posted: 28 December 2017 at 7:20am
	3.5 ah at 11.1V, ~40 watt hours for 3 decent 18650 (eg panasonic ncr18650GA). You can parallel multiple boards, just connect using 4pin cables included. The power input port on the jab 2 will power the amp and charge the battery with any voltage higher than the cells (up to 21v iirc). Use an old 19v laptop psu, or connect a solar panel with a VOC not exceeding 21v. Any 12v nominal panel with enough watts should work.