Mojo Removable Battery Case for iPhone 4/4S (1500mAh X 2)

Mojo Removable Battery Case, our original removable power solution for your iPhone 4/4S. The removable solution gives you not only boundless power, but also gives your phone a full protection against light impact with or without battery in a slim, snug fit profile. You are only limited by the number of battery modules you can carry with you.

Easy Battery Change
Patent-pending design that allows for easy swapping of batteries.
Modular Design
Eco-friendly with battery replacement instead of changing the entire battery case. All other lithium ion battery case have limited charging lifespan of 300-500 cycles.
Standard Battery Modules
Uses standard battery modules, allowing for compatible replacement batteries, which are readily available.
Well-rounded protection
Offers heavy stress absorbing protection against knocks, drops and vibrations.

REVIEWS Beatweek GeekDad A-, Highly Recommended


How much extra battery power can you expect each Mojo battery module to provide?
On average, you can expect each Mojo battery module to provide an extra 85% power for iPhone 4 and approximately extra 70% for iPhone 4S.

What is the type of battery module used on the Mojo Removable Battery case? Is it common and widely available for purchase?
The battery module type used on our Mojo removable battery case is standard BP-4L. This battery module is very common and widely available at Amazon and on our online store.

How long does it take to fully charge each Mojo battery module?
It will take approximately 3.5 hours to fully charge the Mojo battery module via a standard computer USB port or any USB AC wall charger.

How do I activate or de-activate the charging process for my iPhone 4/4S that is inside the Mojo Removable Battery case?
You can simply hold the power button found at the lower left of the front panel for 2 seconds until you hear a beep sound.

Can I just charge the Mojo battery module without charging my iPhone 4/4S first?
Yes, you can. After you have plugged in the micro USB cable, simply hold the power button for 2 seconds to de-activate the charging process.

How do I know if my iPhone 4/4S and my Mojo Removable battery cases are charging (assuming the iPhone is attached to the battery case)?
When the micro USB is plugged to the Mojo battery case, the iPhone screen will display the charging battery screen while the LEDs on the battery case will flash. Once the iPhone is fully charged, it will then charge the Mojo battery module. Once the charging of the Mojo battery module is complete, all the LEDs will be fully lighted up and stop flashing. The whole recharging cycle will take about 6-7 hours.

Can I charge the Mojo battery module without the iPhone 4/4S in the battery case?
Yes, you can do that by putting the battery module inside the battery case and connecting it using the micro USB cable to a standard USB port.

The Mojo Removable battery case does not seem to be able to charge the Mojo battery module?
Ensure that the contacts at both the battery compartment of the battery case and the Mojo battery module are free from dirt and foreign objects. If after cleaning the contacts and the battery case is still unable to charge the Mojo battery module, please visit the Service Centre at your nearest proximity or email for assistance.

Can the iPhone 4/4S be sync with iTunes while it is attached to the Mojo Removable battery case for charging through a PC or Mac?
Yes, you can.

Can the vibration be felt when the vibration mode is enabled and the iPhone is inside the Mojo Removable Battery Case?
Yes, of course.

Will the Mojo Removable battery case or the bumper scratch my iPhone 4/4S?
Definitely No, it will not. High quality material is used and a conscious effort in emphasizing good product design is in place to ensure that the Mojo Removable battery case and the bumper will not scratch or damage your iPhone under normal use.

Will the bumper interfere with the iPhone antenna reception?
Definitely No. It will not as our products have obtained the “Made for iPhone” certification

Will the Mojo Removable battery case block the camera on the back of the iPhone 4/4S?
Of course No, it will not.

What is the warranty period of the Mojo Removable battery case?
1-year international warranty.

What is the warranty period of each Mojo battery module?
6 months international warranty.

How long can each Mojo Battery module be recharged?
Each Mojo battery module can be recharged up to 500 times before it loses its effectiveness in holding less than 75% of the battery capacity when it is new.

Will the Mojo Removable Battery Case fit a Verizon iPhone?
Yes, the Mojo Removable Battery case is 100% compatible with the Verizon iPhone 4/4S and AT&T iPhone 4/4S.

Does the Mojo Removable Battery Case charge the iPhone automatically?
No, the Mojo Removable Battery Case does not automatically charge the iPhone but once the iPhone battery is less than 20%, simply press the ON/OFF button on the front panel and hold for 2 seconds and the Mojo Removable Battery Case will begin to charge your iPhone.


How do I lighten the weight of the Mojo Removable battery case?
You may remove the Mojo battery module from the case after you have depleted the charge. Your iPhone will still be fully protected at a reduced weight.

How do I optimize the use of the Mojo battery modules?
Since the threshold for our Mojo Removable battery case is to give an extra of 85% power to iPhone 4 and 70% for iPhone 4S, we suggest you start to activate the charging mode once your iPhone battery is depleted to below 20% for iPhone 4 or 4S.
For the 3000 mAh solution, we are virtually giving you 3x the talk time of your iPhone. If you are traveling and need more power, you are only limited by the number of Mojo battery modules you can carry, leaving your charger at home.


White: IB-RBC-WH-01
Black: IB-RBC-BK-01


Input : 5V DC, 500mA
Output : 5V DC, 500mA
Battery Capacity : 1500mAh
Battery Charging Time : 3 hours
Battery Life Cycle : 500


Length x Width x Depth : 126.3 x 62.2 x 8.6 mm
Weight with Battery : 75g
Weight without Battery : 43g


Mojo Removable Battery Case
Micro-USB Charge & Sync Cable
Two 1500 mAh BP-4L Battery module
Two Bumpers - Silver and Red
Quick User Guide


1 Year International Limited Warranty

See the Mojo Removable Battery Case in action: