Keep your Promethean projector in service with a replacement lamp designed to bring back the brightness and image quality your room depends on. The Battery Technology POA-LMP140-BTI gives IT teams a direct path to maintenance: replace the worn light source, preserve the existing projector investment, and avoid the cost and disruption of a full hardware swap. For environments where presentation uptime matters, a lamp replacement is often the fastest way to restore usable output. This part is intended for Promethean PRM30 and PRM30A projectors, helping maintain continuity in classrooms, conference rooms, and training spaces where display performance affects daily operations. It is a straightforward service part for scheduled maintenance or urgent recovery when lamp life has been exhausted. Choose this replacement lamp when you need a targeted fix that keeps the projector platform in place. It supports a lower total cost of ownership than replacing the entire projector, while giving facilities and IT teams a predictable maintenance path for aging projection systems.