
Chaowei batteries have longer endurance. Batteries are mainly divided into lead-acid batteries, UPS batteries, and lithium iron phosphate batteries. Introduction to lead-acid batteries: Widely used in power, energy storage, electric vehicles and other fields. Especially due to their mature technology and low cost, they are difficult to be replaced by other battery products in the short term. Introduction to UPS batteries: UPS is called an uninterruptible power supply because when a power outage occurs, it can quickly switch to the "inverter" state, preventing computers in use from losing important files due to sudden power outages before they can be saved. Introduction to lithium iron phosphate batteries: Lithium iron phosphate batteries are the safest and highest specific energy batteries in the lithium-ion battery family. Their discharge voltage is very stable, generally at 3.2V. When discharging to the remaining 10% capacity, the voltage changes rapidly, and the cut-off voltage is generally 2.5V.

I usually commute by electric bike and have used Tianneng and Chaowei batteries. To compare which lasts longer honestly: they're pretty much neck and neck with minimal difference. Specifically, my high-capacity Chaowei model runs about 60km in summer, while Tianneng's does roughly 55-60km depending on the model. Many factors affect this – battery performance drops in cold weather, and charging frequency matters: nightly charging extends lifespan, whereas skipping charges accelerates range loss. For accurate comparisons, check product spec sheets rather than just brands. Long-term, maintenance is key – avoid deep discharges and regularly clean battery terminals. Overall, Tianneng feels slightly more stable, but the difference is negligible. Just pick the better value option.

Let's talk about battery range from a technical perspective. Tianneng and Chaowei are both mainstream brands, with their lead-acid and lithium battery models each having their own merits: some Chaowei models are designed with higher depth of discharge, theoretically offering longer range; Tianneng might have an edge in cycle life. However, actual performance is greatly affected by temperature—during winter sub-zero conditions, range typically shrinks by 20%. Charging method is crucial: I recommend using a smart charger to prevent overcharging. The key is to look at the ampere-hour capacity; for example, choosing a 12V30Ah battery will definitely provide better range than a 20Ah one. For daily use, avoid hauling heavy loads or climbing steep slopes, as these can strain the battery. Overall, both brands have their advantages in different scenarios, and it's advisable to prioritize models with good reputations.

Simply put, it's about battery range. Both Tianneng and Chaowei are reliable, so don't overthink which lasts longer—it's more affected by driving habits and chargers. A friend of mine tried both, with nearly identical results. The key is using OEM parts and regular check-ups.


