User guide
3 
PRODUCT DESCRIPTION 
The Rezap USB iPOWER is a flexible and affordable battery charger solution that can 
efficiently power and charge nearly any USB mobile device available on the market today 
including the iPhone 3G and iPod Touch, plus handheld game consoles, MP3 players and 
cameras. It supports and recharges standard, AA and AAA size rechargeable batteries that 
are readily available everywhere. By using four pieces of user-replaceable rechargeable 
batteries (for best results, use high capacity NiMH, 2700mAh or above) and in emergency 
cases, even alkaline batteries can also be used to give your mobile devices a real boost of 
power anywhere you go. 
KEY FEATURES 
•  Microprocessor controlled for user-friendly and safe operation. 
•  Supports and recharges up to 4pcs of standard 1.2V AA/AAA NiCd or NiMH Batteries, 
•  Rejects alkaline and bad batteries from being recharged for safety protection, 
•  Supports input power from computer and notebook USB power, 
•  Supports input power from in-car 12V cigarette-lighter power, 
•  Supports input power from many existing AC/DC adaptors* (6V – 12V range) that many 
users most likely already have at home, 
•  Built-in ON/OFF switch to minimise self discharge of the backup batteries and control the 
delivery of USB portable power as required,  
•  Can be used as an external battery pack to power and recharge your mobile or 
smartphone, iPod, MP3 player, PDA and other mobile devices anywhere you go, 
RECOMMENDED ACCESSORIES 
The following optional accessories are strongly recommended as the must have items for 
use with ReZAP USB iPower to give a complete mobile backup solution. For further 
information on these items, please visit:  www.rezap.com 
•  ReZAP USB Multi-Charge Cable, Model No. RBC302 
•  ReZAP AA To C & D-Sized Battery Converters, Model No. RBC301 
QUICK START 
USING THE BATTERY CHARGING FUNCTION 
STEP 1: POWER ON THE CHARGER 
There are three different ways to power up the ReZAP USB iPower: 
•  5V USB POWER: 
o  Using the USB cable provided, plug one end to a USB port on your desktop or 
notebook computer and the other end connected to the USB-IN port on the 
right hand side of the charger. 
•  12V IN-CAR POWER: 
o  Using the in-car cable kit provided, plug one end to a 12V cigarette-lighter 
socket and the other end connected to the round DC-IN socket of the charger. 
•  6V to 12V DC POWER: 
o  This powerful and flexible feature allows you to conveniently make use of your 
many power adaptors you most probably already have at home. By using your 
existing DC power adaptor with suitable power rating (6V – 12V, 1A max) and 
plug the adaptor to the 110V/60Hz or 240V/50Hz mains socket and plug the 
output connector to the DC-IN socket of the charger. Please make use of the 
2-IN-1 socket-size converter provided to make fit with the appropriate DC 
plug of your power adaptor.  
Once the correct power source is applied to the charger, the BLUE LED will turn ON 
indicating that the charger is properly powered and is READY for use. 




