Tenergy 14.4V 2400mAh NiCD Battery Pack for IRobot Vacuum Cleaner 400 series such as Roomba 4905...

Tenergy 14.4V 2400mAh NiCD Battery Pack for IRobot Vacuum Cleaner 400 series such as Roomba 4905 --- New!!! A ... | Tenergy battery pack for Roomba Vacuum

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Tenergy 14.4V 2400...

	Tenergy 14.4V 2400mAh NiCD Battery Pack for IRobot Vacuum Cleaner 400 series such as Roomba 4905 --- New!!! A ... Tenergy Tenergy average customer review:based on 13 reviews view larger image
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highly recommended

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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A1 if you can do it

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.

Tenergy battery pack for Roomba Vacuum

I bought this battery pack because I wasn't completely sure the problem was with the battery and I didn't want to spent $60 bucks for a complete new battery to find out. It was a little tricky to get the old battery apart because it was glued together so I made sure I could do that before I ordered the insert by filing down an old screwdriver to fit the trianglar screws. I am very satisfied with the performance of the batterypack. After charging it worked perfectly.

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Tenergy NiCD Battery Pack for iRobot Roomba

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.

Not bad, but some documentation would have helped.

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.

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Tenergy Roomba Battery Replacement Kit

Batteries were somewhat easy to replace once the plastic case opened. It seems that some of the cases are glued shut.

The replacement batteries do not have the same running time as the originals. On a full charge the Roomba runs for about 35 minutes. The unit periodically shuts down and then restarts, which was not normal with the original battery pack.

Not sure if this is due to the new batteries or another problem.

reviews: page 1, 2, 3

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