BSG Version ( not Steam)
about Steam: https://www.escapefromtarkov.com/support/knowledge/542?lang=en

for ru/cis accs
Battlepass Levels 10
Boost your progress with BattlePass Levels — advance through the free track and earn bonus currency!

Adds 10 BattlePass levels and 30 Battle Points;
Can be purchased an unlimited number of times per season;
If the maximum level is reached, you’ll receive 2 Battle Points per missing level (up to 20 Battle Points);
Activates immediately after purchase.