This charger with four slots is designed for AA/AAA rechargeable batteries(NiCd or NiMH). Backlight indicator could visibly indicate battery status and charging process.

Features:
Designed with four charging slots for AA/AAA rechargeable batteries(NiCd or NiMH).
Capable of charging 4 batteries (at most) simultaneously.
Selectable charging current: 200/300/500/700/1000 mA.
Each of the 4 battery slots monitors and charges independently.
Has 4 working modes: Charge/Discharge/Refresh/Quick Test/Test Capacity?∨ to match your need better.
Backlight indicator display charging current?∨ voltage?∨ capacity and charging time.(Backlight will be switched off after 30 seconds when no key is pressed.)
Over-heat protection?∨ to protect batteries and charger itself from overheating.

Specifications:
Input: 100-240V 50/60Hz
Output: 120V DC?∨ 1.0A
Charging current range: 200/300/500/700/1000 mA
Discharging current range: 100/200/300/400/500 mA
Max. charging capacity: 20000mAh
Operating temperature: 0-40
Adapter plug: US?∨ EU (optional)
Product size: 13 * 8 * 3.3cm / 5.2 * 3.1 * 1.3in
Product weight: 126g / 4.4oz
Package size: 17.5 * 14.5 * 5cm / 6.9 * 5.7 * 2in
Package weight: 334g / 11.8oz

Package List:
1 * Charger
1 * Cable (EU plug)
1 * User Manual (English)"