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iPAQ 3870 Battery

Brand New Compatible Extended Life Battery & Replacement Kit for iPAQ 3870 (battery condition: NEW) 3.7 volts 1700 mAh, Lithium Polymer

iPAQ 3870 Battery
1400mAh (original capacity)
1700mAh (1.70 Ah)
21% More Runtime! info

1400mAh (original capacity)
1700mAh (1.70 Ah)
21% More Runtime! info

iPAQ 3870 Battery
iPAQ 3870 Battery

High Quality Battery Cells = Longer Life

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This item has been discontinued or can no longer be ordered at this time.

Compatible With: click here for complete listing

iPAQ 3870 Battery Details

This is a brand new replacement battery for the iPAQ 3870 and Compaq's 263897-001 battery. This iPAQ 3870 Battery is an Extended Life battery packed with 21% more power than the original. The iPAQ 3870 Battery comes with a complete Battery Replacement Kit and step-by-step instructions to make your installation a snap!

Exceptional iPAQ 3870 Battery Technology:
  • Lithium Polymer Chemistry info
  • 3.7 volts
  • info
  • 6.29 Whr (Watt Hours) info
  • 1700 mAh info
  • 100% OEM Compatible. This aftermarket iPAQ 3870 Battery is guaranteed to meet or exceed OEM specifications.
  • Integrated Power Management Circuits - protect against over-voltage and under-voltage conditions and maximizes battery life between charges, minimizes charging times, and improves overall battery life.
  • The iPAQ 3870 Battery provides 300-500 discharge/charge cycles. info
  • Your new iPAQ 3870 Battery comes in a discharged condition and must be charged before use (refer to your manual for charging instructions).
  • The iPAQ 3870 Battery prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible.
  • Keep the iPAQ 3870 Battery cool and store only in a cool, dry location.
  • The iPAQ 3870 Battery is Quality Tested and RoHS & CE Certified.


It generally takes just a few minutes to successfully replace this battery!

Questions About The iPAQ 3870 Battery
  1. How long will my battery last?
    There are two factors that govern how long a iPAQ 3870 Battery will last: runtime and charge-discharge cycles. Runtime is a measure of how much time can elapse before... More

  2. Should I charge my battery each time I use it?
    When you first get your iPAQ 3870 Battery you should charge it 2-12 hours depending on your chemistry. After that it is good to charge it as needed, or once per month at a minimum. Your iPAQ 3870 Battery was designed to... More

  3. What will cause my battery to lose power?
    A iPAQ 3870 Battery over time degrades and eventually stops working. In fact the iPAQ 3870 Battery from its very first charge begins a very slow process that causes it to cease from functioning. Collectively the process is called... More

  4. Does the battery come with installation instructions?
    We offer replacement instructions for a wide variety of batteries that require more complex installs than snap or slide-on batteries. To see if installation instructions are necessary or provided for the iPAQ 3870 Battery, please... More

  5. Does the battery come with a tool kit to help me install it?
    If an installation tool kit is included with the iPAQ 3870 Battery, you will see that listed in the description of the battery towards the top of this page. And the best thing to do is to look for the image of a tool kit to the left of the product photo. If you see... More

  6. What is the rate of Self-Discharge of the battery
    All rechargeable batteries will self discharge over a period of time naturally whether the battery is used or not. This means that the iPAQ 3870 Battery capacity will go from 100% down to 0% over a time period regardless if... More

  7. My new battery isn't charging; is it defective?
    New batteries come in a slightly discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge the new iPAQ 3870 Battery two to... More

  8. Does my battery self discharge when not in use?
    All rechargeable batteries will self discharge over a period of time naturally whether the battery is used or not. This means that the iPAQ 3870 Battery capacity will go from 100% down to 0% over a time period regardless if... More

  9. I just received my new battery, why isn't it working?
    Your rechargeable iPAQ 3870 Battery will arrive to you in a slightly discharged condition. Therefore, it must be charged in order for it to work. We recommend that... More

  10. Will my device's performance differ if I use your aftermarket battery?
    Replacement batteries or "after market" batteries will often last longer and provide more runtime than the original equipment manufacturer (OEM) batteries that came with your device. We design the iPAQ 3870 Battery so that... More

  11. Will the battery fit my device?
    We conform our battery designs to meet the specifications of your device. The physical footprint of the iPAQ 3870 Battery was... More

  12. I do not see my model listed in your Compatible Model List? Will your battery fit?
    We do our best to list as many models that our batteries fit, but inevitably we sometimes miss a model or two. The best thing to do to insure that our iPAQ 3870 Battery will fit in this case is to ask us.

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