Modular series, up to 40 modules in parallel to achieve 204.8 KWH / 48V, 51.2V Series. Redway Battery introducing to you the Redway lithium Battery Module series with state of the art modular solutions in terms of Energy and Output Power. RP modular series comes with 6,000 cycle life, built in BMS for each module and cell level monitoring and balancing. All series can be customized according to customer needs.