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Polycom / SpectraLink 8400 Phones: Extended Capacity Replacement Battery. 2350 mAh
Polycom / SpectraLink 8400 Phones: Extended Capacity Replacement Battery. 2350 mAh
Polycom / SpectraLink 8400 Phones: Extended Capacity Replacement Battery. 2350 mAh

RB-8400-LE

Polycom / SpectraLink 8400 Phones: Extended Capacity Replacement Battery. 2350 mAh

(9 reviews) Write a Review
$56.00
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UPC:
819595010819
Condition:
New
Device Model:
8400, 8440, 8450, 8452
OEM Part Number:
1520-37215-001, RS658
Chemistry:
Lithium Ion
Voltage:
3.6
Watt Hour Rating:
8.28
Weight:
2.1 oz (59 g)
Dimensions:
2.6 x 1.7 x 0.6 in (66 x 44 x 16 mm)
AP Capacity:
2350 mAh
AP Capacity Gain:
31%

Need Advice? Call to one of our experts (978) 562-4300.

Extended capacity battery works for Polycom / SpectraLink 8400, 8440, 8450, and 8452 phones. Replaces OEM battery 1520-37215-001 and RS658. The 2350 mAh capacity rating is 31% higher than the1520-37215-001 and RS658 1800 mAh extended battery packs, and is an unheard of 104% higher than the 1520-37214-001 and RS657 standard battery packs.
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9 Customer Reviews Hide Reviews Show Reviews

  • Best way to keep your 8400-series Spectralink phone going
    5

    Posted by casm on Sep 5th 2020

    Pros: Fits the 8440 like a glove, and is completely at home in both positions of the charging cradle. Runtime is *way* better than the stock battery.

    Dislikes: none. This battery is somewhat thicker than the standard-capacity one, which takes a bit of getting used to, but that's not really an issue after using it a few times.

    For $50-ish, this was a cheap way to keep a perfectly functional wireless SIP handset running, and with a significantly longer runtime than it had when it left the factory. Time will tell as to cell life, but it is recommended.

  • Best way to keep your 8400-series Spectralink phone going
    5

    Posted by casm on Sep 5th 2020

    Pros: Fits the 8440 like a glove, and is completely at home in both positions of the charging cradle. Runtime is way better than the stock battery.

    Dislikes: none. This battery is somewhat thicker than the standard-capacity one, which takes a bit of getting used to, but that's not really an issue after using it a few times.

    For $50-ish, this was a cheap way to keep a perfectly functional wireless SIP handset running, and with a significantly longer runtime than it had when it left the factory. Time will tell as to cell life, but it is recommended.

  • Works great!
    5

    Posted by Angie T on Mar 26th 2019

    Ordered regular and extended batteries. Both work great and hold a charge well!

  • As good as OEM battery.
    5

    Posted by Judy on Jan 7th 2019

    Works just as well as the OEM battery. I would recommend.

  • Works Perfectly
    5

    Posted by Rajneel on Dec 8th 2018

    Works perfectly!

  • it works and holds charge
    5

    Posted by Tony on Sep 28th 2018

    the battery works just as good as factory battery at half the price

  • so good.
    5

    Posted by Bobby Houston on Jun 29th 2018

    I have used this for a week now, and I have been able to get 2-3 days per charge, and I do turn it off when I leave work each day, but only charge back when I get a low battery indication on the phone. I do not talk a lot on the phone, but I have it available when someone calls. This battery is double the capacity of the originals in the phone. My originals failed in just a few months of use, so I am hoping this unit is more durable. So far, so good.

  • A great replacement for the old battery
    5

    Posted by Ed on Apr 27th 2018

    Battery works as advertised. A great replacement for the old battery.

  • Five Stars
    5

    Posted by Gary R. on Apr 6th 2018

    Works as expected so far.

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