14.4V 3800mAh NiMH Battery Pack for IRobot® Vacuum Cleaner - Roomba® 4905

Features and Benefits

• NIMH High Power 14.4V 3800mAh rechargeable battery
• Compatible with all Roomba® FloorVac® models.
• Longer running time - this high power, high capacity NIMH  and has 10-15% more running time than OEM battery pack.
• 70 ^oC thermistor installed in the battery pack. Power will be cut off if battery temperature beyond 70^oC during charging to prevent from over charge.
• Provides up to 120 minutes run-time.
• Can be recharged up to 1000 cycles.
• 6" length 20 AWG wires is pre-installed for easy installation.
• The battery is designed for  exactly replacing inside battery pack for IRobot® Vacuum cleaner. e.g Roomba® APS 4905 battery.
  - To replace inside battery, you need to take off 4 screws on the case, then put new battery with solid connection. 
  - Please make sure polarity of battery pack.  Red wire is always connect to positive

Compatible with the following models:

• Discovery Series
• Create Models
• Dirt Dog® Model
• iRobot® Roomba® 400 Series:
  

TECHNICAL SPECIFICATIONS:
- Votlage:  14.4V,  made of  12 pcs High quality NiMH sub C cells. and packed by 2x6 configuration
- Capacity: 3800mAh
- Max. Discharging rate :  10 C  at 33 A
- Dimension:   136 mm L x 45 mm W x  45 mm H.
- Weight:    21.6Oz / 615g / 1.35lbs

Battery Installation Instruction:
Step 1: Loose up all srews on the top cover of the Roomba® Advanced Power System.
            Tool: You need a triangle screw driver to do so.
Step 2: Open and remove the top cover from the power system, which may be glued. 
            Tool: You may need a flat screw driver to open it carfuelly
Step 3: Remove the old battery inside. Three are wires with metal contact connected inside. You can remove the wires  by pulling up the contat or cut wires off.
            Take a note of the wire connections
Step 4: Put new battery into the battery case and solder three wire back to metal contacts. Follow the note taken in Step 3 or the following details for re-wire:
            - Red wire :  battery positive - The red wire must go to the terminal farthest away from the battery 
            - Black wire: battery negative - metal contact near edge
            - White wire: temp sensore  - metal contact on other side
Step 5: Put back the cover
Step 6: Screws on the cover

*Battery is a generic replacement, not the original OEM battery.
*iRobot®, Scooba®, Roomba® are trademarks of iRobot Corporation.
*Tenergy Corporation is not associated with iRobot® Corporation.

All Other iRobot Batteries and Cleaners

Still unsure if you are purchasing the correct battery?
See our Roomba Battery Comparison Page to find the correct battery for your unit: CLICK HERE