Externet Posted July 8, 2022 Share Posted July 8, 2022 Greetings. A couple of sewing needles or pins pressing onto lead solder blobs can provide decent contact to recharge a lithium cell. No mysteries there. If the contraption will be used under sea water after recharged, and some sort of gel covers the contact blobs; discharging and corrosion could be avoided. What product can allow piercing to reach contact and when pins are retracted, be a decent insulating closure ? Am thinking of something like a silicone sealer that never cures, and does not dissolve in water... What would you suggest ? Electrical source-----------------> gel solder blob Link to comment Share on other sites More sharing options...
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