We design our battery packs to provide years of reliable, maintenance-free performance – and we stand behind them 100%.

While we work hard to ensure excellence with multiple quality checks, if there’s ever an issue, we’re on it.

Our apologies for the inconvenience while we get to the bottom of this.

Romeo Systems, Inc.
4380 Ayers Ave
Vernon, CA 90058

Email Support with one of the options below.

Thunder Maxx 48V