About this item

• 2 Pack of Replacement Battery for Plantronics Wireless Headset CS540, CS540A, 86180-01, 84479-01 (*** NOT Compatible with CS540XD ***)
• Capacity : 3.7V, 140mAh, 0.518Wh, Lithium Battery
• Batteries are certified by ISO9001, CE, RoHS, UN38.3, MSDS, and CO.
• Usage Tips : Never mix batteries from different manufacturers, never mix batteries of different capacities, never mix batteries of different chemistries, i.e. NiCd, NiMH, Lithium, etc., never DROP the battery, never store the battery in the refrigerator, never expose to extreme heat.
• Lithium is a low maintenance battery, an advantage that most other chemistries cannot claim. There is no memory and no scheduled cycling is required to prolong the battery’s life. In addition, the self-discharge is less than half compared to nickel-cadmium. Lithium cells cause little harm when disposed.