Nutrend via Newegg offers the Battery Tender Junior 12-volt High-Efficiency Battery Charger for $26.99. Coupon code “BT02” cuts it to $21.99. With free shipping, that’s the lowest price we could find by $2, although we saw it for $3 less in October. It’s spark-proof and features a 4-step charging program, indicator LEDs, and 12-foot cord. Deal ends May 5.