cell phone battery of PDA batteries ItemMobile phone batteryCapacity850-1200Compatibal forpalm treo650 Cell typeAluminumPrice1.5-3.7USDStandby time48hours-120hours (Depends on the capacity )Standard work voltage3.7VLimited charging voltage4.2VCycle time<500Working tempreture50<15Warranty12months-14monthsQuality GradeA/AA/AAA/HMOQ500pcs/order/Free samplesDelivery time 5-12days (dependson the order)TransportationBy Air / By seaPackage800pcs ina Strong carton with woven bags and lashing belts. 80-100pcs in a small box. 1pcs in a poly bags or plastic packing Carton sizeL24*W36*H22 cmCarton markmake your LOGO mark for freeDetails of the qualityProducing the products as your requirements.Double Protection board with NTCPCB offer over-discharging ,over-current and short-circuit .more safeguard for using.Safety and stale: Hi-tech lithium-ion battery , undergoes drop test ,smash test and acupuncture test to ensure no fire and explosion in breaking .A greade Aluminum cell ,high energy envirmental protection battery,durable energy conservation ,long standby time and long talking time .Professional skills , original technology.A fine apperance withfacultizeWarningDo not connect the battery to an electrical outlet Do not discard the battle in fire or heat it .Don not use and leave the battery near in water and seawater.Use an orginal or reliable chargerWhen recharging ,use the battery charger specifically for that purpose. Welcome to OEM . Free to contact with us by email . we will reply you in Twenty four hours . thanks .