Discover the ER261020 ER341245 ER321270S Li SOCL2 Battery, a high-performance 3.6V double C battery designed for MWD and LWD devices. With a capacity of 17000mAh, pulse current of 400mA, and operating temperature range of -55 to 85℃, this non-rechargeable battery ensures long-term energy storage and superior performance.