... request.High-capacity Li battery with two recharging methods available (power adaptor, mini-USB connector)The instrument’s ergonomic design fits ... Port Numbers 2 output ports (ONU 1310nm, OLT 1490/1550nm) Adaptor Type FC/APC (standard); SC/APC, ST/APC (optional) ... 64 Battery Li Battery/ 2000mA, 3.7V Recharger AC220V/DC5V power adaptor or USB recharging connector Temperature Operating: –10°C ~ 50 ...