I use two Tadiran SL-2790 battery in 2G mode with R412 Rev 3 Sara SFF.
In my first probe I use the old resoldered lipo connector and connect the two serial soldered battery to te JST connector. But When start the modem, during the AT+CSQ write “timed out” and after some message the module rebooted.
The code is work perfectly with Li-Ion battery on same JST connector.
So My first thought: the pulse is none enought for a 2G mode.
My first question : The first thought is appropriate?
My secound q.: Wich is the best connector for the TADIRAN battery? I see some other Battery port and 3.3 Volt on the board. Can I us another for a better solution or all other bettery port same as the JST, and the 3.3 cant usable for TADIRAN BATTERY?
The Battery parameters. (But The pulse is high…)
SL-2790 Size: DD
Available Terminations Catalogue No.
SL-2790/S Standard 11 2 17901 00
SL-2790/T Tags 11 2 17902 00
System Lithium Thionyl Chloride
Nominal voltage 3.6 V
Nominal capacity 35 Ah
Nominal current 10 mA
Max. continuous discharge current 450 mA
Pulse current capability 1000 mA
Anode surface area 90 cm2
Lithium content 10 g
Weight 190 g
Volume 105 cm3
Temperature range −55°C … +85°