The Tianneng TNEH12-40 - 12V 40Ah (C20) battery is a VRLA - AGM technology ideal for electric vehicles, with 1450 cycles at 50% DoD (Depth of Discharge) and excellent performance in applications requiring a large number of charge cycles. The TNEH series combines carbon fiber and graphene technologies, providing higher and more stable performance.

The Tianneng TNEH series batteries are specifically designed for motive power applications, meaning for electric bikes, scooters, electric tricycles, electric motorcycles, and other devices that require an uninterrupted power source. The TNEH series batteries are specially designed for deep discharge, with a unique design protected by patents.

• VRLA Maintenance-Free technology, with no need to add water or acid during use.
• Long lifespan with 1450 cycles at 50% DoD (Depth of Discharge) and excellent recovery ability after deep discharge.
• Patented design for maximum utilization of active materials and space, offering 5%-10% greater capacity compared to similar products on the market.
• Excellent grid structure of the plate reduces internal resistance and ensures uniform electrochemical reaction.
• High corrosion resistance due to the alloy of the grid, increasing the battery's lifespan.
• Safety valve that reduces water loss during the charging/discharging process and improves sealing.
• Unique construction materials that provide enhanced performance at low temperatures.
• Alloy materials in the casing that enhance heat absorption and prevent battery swelling.