And also makes it very difficult to re-prime.

Suggest you try your charger. Disconnect positive and neg cables, pop vents and charge overnight then give it a go.

Mine will let me crank continuously until I run the batt down. Not sure why yours wont.

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)