Ansmann AC/DC Delta 3 Charger Super Fast Charging.This intelligent charger is designed to fully control the charge state of the battery pack, so it never overcharges.The Ansmann AC/DC Delta 3 Charger detects when the pack has reached full capacity.When the battery is fully charged, it will automatically switch from the fast charging current to a trickle, to keep the battery pack full without overcharging it.
It also features a safety timer of 140 minutes, which switches the current to a trickle at this pre-determined time.
This is electronically controlled on plugging the battery into the charger.

Input: 100-240V / 50Hz – 60Hz or 12V DC – 16V DCOutput: 10.5 DC (7.2V – 8.4V nominal battery voltage)Charging Current: Fast Charge – 3000mA / Trickle Charge – 180mADimensions: 134 x 56 x 33mm