14.4V 2.5AH battery for iRobot Roomba 4000 40901 4150 4250 Dirt Dog Cleaner

14.4V 2.5AH battery for iRobot Roomba 4000 40901 4150 4250 Dirt Dog Cleaner Quality Ensure
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14.4V 2.5AH battery for iRobot Roomba 4000 40901 4150 4250 Dirt Dog Cleaner

  • Model: iRobot-400(2.5)
  • Manufactured by: For Irobot Vacuum cleaner
  • Sale Price £20.00

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    Current Reviews: 3

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    • Product ID: iRobot-400(2.5)
    • Compatible Part Numbers:
      4905 WC, 853816173730, APS 4905, Tenergy 11701, Tenergy 11709
    • Battery Type: Ni-cd
    • Voltage: 14.4V
    • Capacity: 2500mAh
    • Color: Yellow

    This product is compatible with:

    iRobot 17373
     iRobot 4978
     iRobot iTouchless AV001A
     iRobot iTouchless AV002A
     iRobot Roomba 400
     iRobot Roomba 4000
     iRobot Roomba 405
     iRobot Roomba 40901
     iRobot Roomba 410
     iRobot Roomba 4100
     iRobot Roomba 4105
     iRobot Roomba 4110
     iRobot Roomba 4130
     iRobot Roomba 415
     iRobot Roomba 4150
     iRobot Roomba 416
     iRobot Roomba 4160
     iRobot Roomba 4162
     iRobot Roomba 4170
     iRobot Roomba 418
     iRobot Roomba 4188
     iRobot Roomba 4199
     iRobot Roomba 4210
     iRobot Roomba 4220
     iRobot Roomba 4225
     iRobot Roomba 4230
     iRobot Roomba 4232

    iRobot Roomba 4240
     iRobot Roomba 4250
     iRobot Roomba 4260
     iRobot Roomba 4270
     iRobot Roomba 4275
     iRobot Roomba 4296
     iRobot Roomba 4299
     iRobot Roomba 4300
     iRobot Roomba 4905
     iRobot Roomba 5105
     iRobot Roomba 5210
     iRobot Roomba Create
     iRobot Roomba Dirt Dog
     iRobot Roomba Discovery
     iRobot Roomba Discovery SE
     iRobot Roomba Intelligent Robotic M-288
     iRobot Roomba Intelligent Robotic M-288A
     iRobot Roomba Intelligent Robotic M-288B
     iRobot Roomba Original
     iRobot Roomba Pink Ribbon
     iRobot Roomba Pro
     iRobot Roomba Pro Elite
     iRobot Roomba Red
     iRobot Roomba Sage
     iRobot Roomba Scheduler

    Item will be sent the next Business Day, from our UK Department,  with tracking information after payment confirmed. Sorry, we do not arrange pick up service

    Normally, the delivery time is about 2 to 5 business days, and the special delivery time is about 1 to 3 business days.

    We ONLY accept credit card payment through PayPal and eCheck.

    PayPal payment system supports Mastercard, Visa, Discover, American Express and eCheck.

    Credit Card payments supported by PayPal

    Note: eCheck would delay 3 to 4 business days.

    We warrant that the products sold in our website, other than explicitly stated, are 100% brand new and free from defects in material and workmanship. Our detailed warrant policy is as follows:

    • We warrant our products for 1 year under normal, non-commercial use.

    • 30 days money back -- within the first tyirty (30) days from the date of purchase, we offer a refund of unit price for any reason; if the product is free postage, GBP 5.00 will be less in refund for the postage.

    • After thirty (30) days and up to one (1) year of purchase, we will, subject to inspection, repair the defective battery pack or replace it with a new or reconditioned unit. The return must be accompanied by a Return Merchandise Authorization (RMA) number, which is to be issued upon request, and must be shipped prepaid. A shipping rebate will be extended to the customer in the event that a defect in material or workmanship is confirmed.

    • Lithium-Ion / Li-ion Cordless Tools Batteries Features

            Lithium-ion (Also called Li-ion) is a family of rechargeable battery types boasting one of the best energy densities, no memory effect, and a slow loss of charge when not in use. Because of these features, the Li-ion battery powered cordless tools are designed more and more.

      Let us know more about these features.

      No Memory Effect

      Memory effect is the problem that (it's alleged) nickel cadmium rechargeable has whereby they hold less and less charge, depending on use. For example, if a ni-cad battery is not fully discharged, the theory goes that the battery "remembers" that it's got a smaller capacity for charge than the manufacturer intended.

      This means, after charge–by-charger, the ni-cad battery will be less and less efficient.

      More lighter

      For example, a Li-ion 18V 3.0Ah Makita BL1830 battery is about 650 g, but a Ni-MH 18V 3.0Ah Bosch BAT026 is 1200 g, In the same voltage and capacity, the Ni-MH battery is nearly twice of the weight of the Li-ion battery.

      This is great when you are using a cordless power tools above shoulder height for any length of time.

      High energy density

      The energy density of lithium-ion is typically twice that of the standard nickel-cadmium. There is potential for higher energy densities. The load characteristics are reasonably good and behave similarly to nickel-cadmium in terms of discharge. The high cell voltage of 3.6 volts allows battery pack designs with only one cell. Most of today's mobile phones run on a single cell. A nickel-based pack would require three 1.2-volt cells connected in series.

      Low Self-discharge rate:

      A lithium-ion cell is that their rate of self-discharge is much lower than that of other rechargeable cells such as Ni-Cad and Ni-MH forms. You do not need to charge it again after a long time of use, this can save time when you have something urgent to do.
      Post Dated: 2014-07-02  

    Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product.

    Customer Reviews:

    Displaying 1 to 3 (of 3 reviews)

    by Selena Georgia
    Date Added: 05/07/2015
    Great execution. Great communication. Perfect product.?I would purchase from them again when the need arises. JJA - WA.?"

    Rating: 4 of 5 Stars [4 of 5 Stars]

    by Sigrid Gustave
    Date Added: 07/08/2015
    Good selection of product, attractive prices, fast delivery. No complaints.

    Rating: 5 of 5 Stars [5 of 5 Stars]

    by Antonia Madge
    Date Added: 03/11/2015
    Good Prices. First Class delivery. Well worth considering for future purchases.

    Rating: 4 of 5 Stars [4 of 5 Stars]

    Displaying 1 to 3 (of 3 reviews)


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