Technical, Techniques, Hints, and Tips > Radio Equipment

battery and charger choice

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howie55:
Hi again
Having read your replies and taken your advice, I am looking at purchasing an Overlander Samsung 3500mAh 7.4v 2s18650 li-Lon battery
My Son who is a model aircraft flyer, has given me a charger, a Rc-Power 601 AD unit has anyone used this charger ??and again taking your advice I will charge the battery away from the yacht
Once again Thankyou for helping me, look forward for any info on the charger
Howie55

howie55:
Hi again
I have produced a board that sits between the bulkheads and lies on the keel, having removed it to work on the bench I have assembled the electrics, winch, receiver, ESC, motor, battery connection point.
and although I have used the 7.4V 1500 battery to set up the board it all works well.
I will be purchasing the 7.4V 3500 mAh battery to replace the 1500 when it all goes back in the yacht
I will need to understand the charger ( an RC-Power 601AD )
My thanks go to you all who have helped me, this forum is Brilliant
regards Howie55/Geoff

HMS Invisible:
Some budgeting information for competent, safety minded folk to make 18650 and 21700 Li-Ion batteries.
I pay ~ £2.80 + post + vat per 3.5Ah 18650 cell from cellsupply.co.uk.
Their small quantity site is nubattery.co.uk.
I buy insulation, spacers, battery management circuits elsewhere. Nickel & Nickel plated steel ribbon looks cheapest from Aliexpress. A spot welding pen is ~£25.

Two pertinent questions for you to consider, howie55, are
Will you run the sailwinch servo off the esc bec & will it cope?
For charging & l.v. protection, what is in your battery? Two cells, or cells + battery management circuit?

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