The LLOYTRON Ultra Fast Smart AA / AAA LCD Home Battery Charger is compatible with manybattery sizes and will charge up to 4 AA or AAA sized batteries. Rechareable NiMh batteries can becharged; save money and reduce waste without the need for disposable batteries. The intelligentmicroprocessor with LCD display screen shows an individual status display for each battery todetermine how charged it is.Recharge your batteries to their full capacity quickly and safely. Simply plug in to a standard UKmains socket and insert your rechargeable batteries into the appropriate sized compartment. TheLED indiactors will advise a RED LED during charging or battery error and GREEN LED when fullycharged for each individual battery. Once fully charged the LED status will change to GREEN. Tocalculate the charging time the battery capacity must be divided by the charging rate and so isdependent on the batteries you require. The charging rate for AA is 1.2v DC 1800mA (1 battery),900mA (2 batteries), 450mA (3 batteries) or 450mA (4 batteries) and for AAA is 1.2v DC 900mA (1battery), 250mA (2 batteries), 225mA (3 batteries) or 225mA (4 batteries).This durable battery charger is long lasting to give power to your family's devices time and again,with many batteries able to recharge up to 1000 times. The safety features such as over chargeprotection and reverse polarity protection/automatic short circuit protects the battery against currentfluctuation, although it is advised not to leave batteries charging for over double the amount of timethey require to reach full charge. Batteries not included.Package Includes:1 x LLOYTRON Ultra Fast Smart AA / AAA LCD Home Battery Charger1x Instruction Manual.