How to fix an Tricycle With Cabin battery that doesn`t run far

Why can't Tricycle With Cabin run far with new batteries? New batteries that have been charged and discharged 5 times work best. You can't have this kind of battery. The battery has lasted a long time. Aging. Must not run far. Therefore, the battery must be replaced with a new one. The battery needs to be charged until it throws a lot of bubbles.

It is normal for Tricycle With Cabin to not be able to travel far in winter. When the temperature is low in winter, the activity of the active materials on the plates decreases, which means that the battery's electric energy cannot be fully released. If the temperature is minus 10 degrees, it will only be about 60% of that in summer. To avoid damaging the battery, winter operations will not be affected.
Disassemble the battery and measure the voltage of each battery. If the voltage is too low, replace the battery with the same resistance, capacity and voltage. If the voltage is low, you can use a larger battery charger to remove sulfur and repair it. After it is fully charged, use the discharge circuit to discharge it. Repeat this several times, and the battery can still be fully charged, that is, it is repaired.
The electric vehicle battery cannot run far. It must be a small battery or the battery is old. Just replace it. There is no other way to repair it. Now the battery cannot be repaired and can only be replaced. If it is a lithium battery, it is recommended to balance the battery. If it is a general block battery, check the voltage and capacity of the single battery and replace it if there is any problem. It is recommended to go to a car repair shop for inspection or replacement.