Question about Mitel 612d v2

Manufacturer:
VARTA Microbattery Model No.: A600ST1 Type: 3.7V / 800mAh / Li-Ion Battery
Capacity: 3.0Wh PDM No.: 23-001080-01 Made in China
Assembled in I Indonesia! 1ICP5/34/50 1‭ ‬1
MH16707
RECHARGEABLE LI-ION BATTERY CAUTION:
• THERE IS A RISK OF FIRE OR EXPLOSION IF EXPOSED TO HEAT OR WHEN COMING
IN CONTACT WITH WATER OR OTHER LIQUIDS.
NEVER PUT INTO FIRE.
• KEEP THE BATTERY CONTACTS AWAY FROM METAL OBJECTS.
• KEEP OUT OF REACH OF CHILDREN. DO NOT OPEN OR DISASSEMBLE.