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


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

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Size Chart
Device Model:
8400, 8440, 8450, 8452
OEM Part Number:
1520-37215-001, RS658
Lithium Ion
Watt Hour Rating:
2.1 oz (59 g)
2.6 x 1.7 x 0.6 in (66 x 44 x 16 mm)
AP Capacity:
2350 mAh
AP Capacity Gain:

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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.
  • Polycom/SpectraLink 8400, 8440, 8450, and 8452 Extended Capacity Replacement Battery
  • Fully replaces battery number 1520-37215-001 and RS658.
  • Lithium Ion Rechargeable Battery Pack | 3.6 Volt | 2350 mAh | Cells Made in Japan
  • Longer Lasting: 2350 mAh capacity rating 31% higher than the OEM extended batteries, and 104% higher than the standard batteries.
  • Manufactured by Artisan Power, a leader in premium quality replacement battery packs.

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