Tadiran batteries 36v lithium thionyl chloride batteries tagged tadiran batteries sl2770t the sl 2770 t from tadiran batteries is a c size high capacity lithium cell with a capacity of 8500mah it can be used in applications within a temperature range of 55 to 85 c making it particularly versatile tadiran batteries sl 2770t c size 8500mah lithium battery cell 36v tagged