This is a good one, gives you room for growth and you can charge 2 NiMH packs (or lipo's when the time comes) at one time:
https://www.smc-racing.com/index.php?route=product/product&path=113&product_id=541
15A x 2/150W x 2 on AC. Can do 15A/325W per channel when powered by DC. The DC...