Automotive & Recreation Batteries 
Charging & Power Conversion 
Device & Everyday Batteries 
Bluetti 
Accessories & Installation 
Offgrid Systems 
Power & Conversion 
Batteries & Accessories 
Accessories & Installation 
Accessories & Installation 
Charging & Power 
Systems & Packages 
Batteries 
Bluetti 
Starlink 
Dual Battery Systems & Packages 
Batteries 
UHF 
Bluetti 
Lighting 
Brake Controllers 
Accessories & Installation 
Charging & Power 
Coverage & Handsfree 
Starlink 1.55V Silver Oxide Watch Battery
Description
1.55V 42mAh Silver Oxide V399-TN1 Button / Coin Cell, Varta
PRIMARY CELL – DO NOT RECHARGE
This battery will replace discontinued mercury models cross referenced to this model. Equipment formerly using the mercury model will work although some recalibration may have to be taken into account due to the slightly different voltage & discharge characteristics.
Simpower has a wide range of Varta batteries available in stock or to order – search by Varta brand now.
- Product Model: V399 TN1
- Chemistry: Silver Oxide (Zn/Ag2O)
- Type: Button / Coin Cell
- Voltage: 1.55V
- Capacity: 42mAh
- Size: Button / Coin
- Information Link: V399 TN1.pdf
The 399 Battery is also a replacement for equivalent batteries:
SR927W, SR57, SR927, SB-BP/EP, 280-44, W, V399, D399, 613, GP399, 926E, 399, AG7, AG-7, LR927, GR927, SR927SW, CX926, 399X, 399A, SR57H, LR926, SB-BP, SR927PW, SR327W
All batteries are by quality branded manufacturers, normally Renata, Varta, Rayovac or Panasonic. They are not the cheap makes you get on some websites.
Size: 2.6mm x 9.5mm
Voltage: 1.55v
Type:- Silver Oxide