| Tenergy 14.4V 2400mAh NiCD Battery Pack for IRobot Vacuum Cleaner 400 series such as Roomba 4905 --- New!!! A Screwdriver Included! | 
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| Buy New: $23.99
Buy New from $23.99
Avg. Customer Rating:   (based on 11 reviews)
Sales Rank: 3083
Category: Kitchen
Publisher: Tenergy
Studio: Tenergy
Manufacturer: Tenergy
Label: Tenergy
Media: Misc.
MPN: Nicd14.4V2400
Model: Nicd14.4V2400
UPC: 844949007009
EAN: 0844949007009
ASIN: B001AVQP8Y
Availability: Usually ships in 1-2 business days
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| Features:
| • | Compatible with all Roomba FloorVac models. | | • | Up to 75 minutes run time | | • | Can be recharged up to 1000 cycles. | | • | Designed for exactly replacing inside battery pack for IRobot Vacuum cleaner. e.g Roomba APS 4905 | | • | Screwdriver is included for replacing the battery |
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| Editorial Reviews:
Product Description
Features and Benefits * 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. * Can be recharged up to 1000 cycles. * 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 NiCD sub C cells. and packed by 2x6 configuration - Capacity: 2400mAh - Max. Discharging rate : 10 C at 24 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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| Customer Reviews: Read 6 more reviews...
 Tenergy NiCD Battery Pack for iRobot Roomba November 19, 2008
I ordered three of these batteries and they were shipped very quickly. Each came with a triangular screw-driver necessary to open the Roomba battery pack housing. A minor amount of soldering was required and now my Roombas are working like new. So far so good, but the true test will be how long these batteries last. The literature says 1000 charges.
 A1 if you can do it November 4, 2008
There is nothing wrong with the battery pack. I've yet to see how much better they are then original as I just got it working. One just needs to know that getting the lid off that battery case is a bit of a battle it is screwed and glued. Pry it firmly. You will also need to solder and shrink tube the connections. Worth the effort for the money saved I think.
 Not bad, but some documentation would have helped. November 3, 2008
1 out of 1 found this review helpful
The replacement battery arrived fast, but the installation was harder than it needed to be due to a lack of documentation. i found some generic instructions online, but it would have been better to have some installation guidelines in the box. The battery was working well once it was installed and charged.
Works but doesn't hold charge long October 29, 2008
The product was as advertised and the addition of rubber jackets and the ends of the leads was a nice addition so that soldering wasn't necessary. The 2400mAh is only sufficient for about 1 hour's worth of operation compared to nearly 2 hours for the manufacturer's battery (which I'm guessing is 3000mAh although it's not advertised).
Although it's not the fault of this battery manufacturer, opening the Roomba battery pack can be very difficult. The plastic case is glued shut and requires extensive effort to open without damaging it. I used a Dremel to cut it open.
Definitely works October 15, 2008
1 out of 1 found this review helpful
I have to spend another $28 to get solder iron, solder and solder vaccum, so after all I didn't save much money, but it definitely works.
It is a little hard to open because after removing all the screws, the top is actually glued on. I tried to remove cover by force but nearly broke it. Once the top is removed, the rest is easy, just match the colors and solder the wires to the metal plate. Then put the cover back and that's it.
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