This is the Tower Hobbies AC/DC Peak Charger for NiCd and NiMH Batteries. FEATURES: Ideal for sport electric car or boat modelers needing a charger that operates on either AC or DC input power and automatically peaks both NiCd and NiMH batteries as small as 600mAh "AAA" and as big as sub-C size-good for 1/18-1/8 scale models Lightweight switching AC power supply is great for portability and small pit areas Selectable charge currents of 1A, 2A (2A limit on AC) or 4A linear Peak detection intelligence eliminates need to track charge state of battery before charge Automatic trickle charge tops off packs to maximum power Auto-start function with status LED makes setup and use a snap Built-in socket for connecting radio batteries DC power lead with alligator clips connects to many 12V DC power sources Five year warranty INCLUDES: Tower Hobbies AC/DC Peak Charger for NiCd and NiMH Batteries and instruction sheet REQUIRES: AC or DC power source SPECS: AC Input: 110V AC 60Hz DC Input: 11-15V DC, built-in lead with alligator clips Battery Types: 4-8 NiCd or NiMH Cells (4.8-9.6V, limited to 7 cells on DC) Battery Capacity Range: 600-6000mAh Fast Charge Current: 1, 2, or 4A linear (2A limit on AC) Fast Charge Termination: Peak detection Fast Charge Safety Timer: 90 minutes Peak Sensitivity: 8mV Auto-Trickle Current: 1/20 fast charge setting Controls: auto-start, switchable current selector LED Indicator: Red Output Connections: Built-in lead with standard connector Built-in jack for radio batteries Protective Devices: Solid-state reverse polarity and current overload Case size: 4.1 x 3.5 x 1.1" (104 x 90 x 29mm) Weight: 9.17 oz.(260g) COMMENTS: Solid LED indicates charge in progress. When the jxs 5/06/09 charger goes to trickle charge the LED will flash ir/jxs twice every 5 seconds. up GX 3/9/12