Sumitomo BU-12L Lithium-Ion Detachable Battery Pack, 11.1V, 1530mAh

Keep your fusion splicer running through long installs and maintenance tasks with the Sumitomo BU-12L detachable lithium-ion battery pack. Designed as an OEM replacement battery pack for TYPE-100S/Se, 201/201e and QH201e series splicers, this compact power unit delivers 11.1V nominal voltage and 1530mAh capacity to provide dependable runtime for fiber splicing in the field. Its detachable form factor lets technicians hot-swap batteries quickly, reducing downtime on critical projects such as security camera installs, surveillance network builds, and monitoring system maintenance.

Built for portability and durability, the BU-12L is optimized for field service professionals who require consistent, safe power for precision fusion work. The battery’s robust construction and integrated safety controls help protect sensitive splicer electronics while supporting repeatable splices. Ideal for installers, integrators, and service teams working on fiber optic networks for security, surveillance, and telecom applications. Keep a charged backup on hand to maintain productivity—add the Sumitomo BU-12L to your toolkit for reliable on-site power and uninterrupted workflow.

• Provides reliable, portable power to keep fusion splicers operational during long installs and repairs
• Detachable design enables quick hot-swap to minimize downtime on critical fiber installations
• 11.1V nominal voltage and 1530mAh capacity deliver consistent runtime for field technicians
• Lightweight, OEM-compatible replacement for TYPE-100S/Se, 201/201e and QH201e series splicers
• Built-in safety and quality controls for stable performance in surveillance, security, and monitoring deployments