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 cutt 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 wires is pre-installed for easy installation.
• For faster and safe charging,  strongly suggest you use our New 12-16.8V Universal Smart charger, changing time is about 5-6 hours.
• 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
  
• 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:    38.5 Oz.
  
• 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