Unmoom D Size 34615 3.6V

A high-capacity primary lithium-thionyl chloride battery in D-cell format by Sunmoon (ER34615), tailored for long-lasting, low-current applications such as utility meters, remote sensors, alarms, and backup systems. It delivers consistent performance even in extreme temperatures.

Features

• Nominal Voltage: 3.6 V

• Capacity: ~19,000 mAh (19 Ah)

• Energy Density: > 620 Wh/kg, among the highest for primary cells

• Long Shelf Life: 8–10 years with <1% annual self-discharge

• Temperature Range: –55 °C to +85 °C

• Cylindrical “bobbin” internal design for stable long-term discharge