The GP Batteries PowerBank U421 is a USB Fast Charger which can charge a single AA or AAA NiMH battery in just 40 minutes, or four of the same kind in less than 3 hours!
It’s light and compact design makes this the ideal portable battery charger and is convenient for high performance charging in travel, household or business use, thanks to its universal USB platform.
With 4 individual charging channels and LED indicators, there are multiple safety features such as bad battery detection, reverse polarity protection, single use battery detection as well as over-temperature protection.
It really is one of the fastest and smartest USB battery chargers available from GP Batteries.
To top it all off the Powerbank U421 comes supplied with 4 x ReCyko+ Pro AA batteries making it outstanding value for money.