Compatible Phone and Battery models:

- Plantronics 64327-01
- Plantronics 64399-01
- Plantronics 64399-03
- Plantronics 65358-01
- Plantronics CS-50
- Plantronics CS-55
- Plantronics CS-60
- Plantronics CS50-USB
- Plantronics PL-64399-01

This is a third party replacement to the original battery model.
Physical Specifications
Weight: 0.25 lbs
Battery Specifications
Capacity 230.0
Capacity Units mAh
Chemistry Li-Polymer
Connector Type Plug
Electrical Specifications
Voltage 3.70
Product Information
Item Dimension Units Inches
Shipping Class Li-Poly
Item Height .19
Item Length 1.44
Item Width .83

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Ultralast Plantronics CS-50 3.7V 230mAh Li-Poly Cordless Phone Battery, BATT-CS50

  • Model: BATT-CS50
  • UPC: 728286204072
  • Brand: Ultralast
  • Availability: 3
  • $16.95
  • $15.25



Lithium Shipping Restrictions

Due to Government shipping regulations for shipping lithium based batteries (including Lithium Metal, Lithium Ion & Lithium Polymer, Lithium Phosphate or LiFePO4), or items that contain this type of battery, we are no longer shipping these items via Next Day Air, 2nd Day Air, 3-Day Select, Priority Mail, or Internationally. We apologize for the inconvenience.

Economy Shipping restrictions: Cannot ship to Alaska, Hawaii, or other US territories outside of the continental 48 states, APO/FPO military addresses or internationally if your order contains a lithium based battery. All other destinations should expect their economy shipping package to arrive within 10 business days but this is not guaranteed by the postal service.

UPS Ground restrictions: Cannot ship to Alaska, Hawaii or other US Territories outside of the continental 48 states if your order contains lithium based batteries. All shipments that contain any type of lithium based chemistry battery, including items that have a lithium based battery already installed, must include a special shipping and handling caution label.

If you are unsure about the restrictions for any item that you are ordering and have questions please contact us at +1 (800) 624-8681 Monday – Friday, 8AM - 5PM, ET.

California Proposition 65

Warning: This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. Visit p65warnings.ca.gov for more information.