Vacuum Reviews

Product Description
Features and Benefits

* NIMH High Power 14.4V 3800mAh rechargeable battery
* 70 oC thermistor installed in the battery pack. Power will be cutt off if battery temperature beyond 70oC during charging to prevent from over charge.
* 6″ length 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
* TECHNICAL SPECIFICATIONS:
- Votlage: 14.4V, made of 12 pcs High quality NiMH sub C cells. and packed by 2×6 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

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