Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
I have had good luck with the NAPA 6TL battery and it comes with a 30 month warranty. Price is around $175 if you have a coupon or wait for a special. I have seen them a little lower.
https://www.napaonline.com/en/p/NBP7256