Internal battery NB (Ajax 121874.313.NC) is a maintenance‑free, primary lithium (thionyl chloride) battery pack designed for internal installation in the Ajax Hub BP (BP Jeweller). The pack provides nominal 7.2 V and 95 Ah capacity to power the hub or act as its internal backup battery. Battery parameters are configurable in the Ajax PRO app; installation must be performed by a qualified technician.

• Designed for Ajax Hub BP (BP Jeweller)
• Nominal voltage: 7.2 V; capacity: 95 Ah
• Primary non‑rechargeable lithium (thionyl chloride) chemistry (ER34615 cells)
• Low self‑discharge for extended shelf life
• Compact form factor for internal mounting; Molex internal connector
• Recommended maximum continuous load: ~700 mA

Installation & safety: This is a primary (non‑rechargeable) lithium battery — do not attempt to recharge. Install inside the Hub BP casing only and follow the Ajax installation manual and local regulations for handling and transportation of primary lithium cells. Professional installation by a qualified technician is recommended to maintain warranty and safety. Refer to the official Ajax manual for full technical details, compliance marks and transport instructions.