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.
- BETTER PERFORMANCE: Replace your 8440 phone batteries with our extended capacity 2350 mAh batteries to increase phone talk time and reliability per charge compared to OEM 1520-37215-001 and RS658 batteries.
- HIGH-CAPACITY LITHIUM ION POWER: Our battery packed with a DC 3.6 Volt battery with 8.46Wh and 2350 mAh. It outperforms the OEM extended batteries by 31% and surpasses the standard capacity batteries by 104%.
- TIER-1 POWER CELLS FROM JAPAN: Our performance-grade lithium-ion battery cells are made in Japan, known for their exceptional reliability and longevity. You’ll experience maximum battery run time, ensuring your phone stays charged when you need it most.
- SAFETY CERTIFICATION: Our battery is UL Listed and certified for UL 2054 and UN 38.3 standards. Say goodbye to overheating worries. This battery is designed to meet safety specifications and minimize fire hazards.
- PREMIUM BATTERY SOLUTION - Artisan Power offers a variety of high quality aftermarket battery replacements for all the top electronics from phones to clippers to printers and more. Save big by replacing old batteries without having to purchase new equipment.
- BETTER PERFORMANCE: Replace your 8440 phone batteries with our extended capacity 2350 mAh batteries to increase phone talk time and reliability per charge compared to OEM 1520-37215-001 and RS658 batteries.
- HIGH-CAPACITY LITHIUM ION POWER: Our battery packed with a DC 3.6 Volt battery with 8.46Wh and 2350 mAh. It outperforms the OEM extended batteries by 31% and surpasses the standard capacity batteries by 104%.
- TIER-1 POWER CELLS FROM JAPAN: Our performance-grade lithium-ion battery cells are made in Japan, known for their exceptional reliability and longevity. You’ll experience maximum battery run time, ensuring your phone stays charged when you need it most.
- SAFETY CERTIFICATION: Our battery is UL Listed and certified for UL 2054 and UN 38.3 standards. Say goodbye to overheating worries. This battery is designed to meet safety specifications and minimize fire hazards.
- PREMIUM BATTERY SOLUTION - Artisan Power offers a variety of high quality aftermarket battery replacements for all the top electronics from phones to clippers to printers and more. Save big by replacing old batteries without having to purchase new equipment.
