Lithium battery is a major trend in the future, so can the original lead-acid battery of electric bicycle be replaced with lithium batteries, which aspects of the replacement of lithium batteries need to pay attention to, the following electric bicycle lithium battery manufacturer to explain.
The use of lead-acid battery electric bicycle lithium battery replacement precautions
(1) First of all, lead-acid battery conversion lithium battery, we need to replace the charger with a lithium battery matching charger, lead-acid battery charger charging method and lithium battery charging method is completely different, for example, lead-acid battery charging using high-frequency pulse, after reaching the stop charging standard will turn to a small current to continue charging for a certain period of time, some lead-acid battery charger after the battery is full, there will still be a small current to charge the battery Some lead-acid battery chargers will still have a small current to charge the battery after the battery is full. This is not in line with the charging characteristics of lithium batteries, lithium battery chargers use the CC/CV constant voltage and constant current charging method, to reach the set stop charging conditions will directly can cut off the current, lithium battery chargers are no current to continue to output after charging. So the two can not be mixed.
Here someone may ask, lithium batteries are not protected by a protection plate to protect overcharging? If the overcharge will not be protected? Here it should be noted that the overcharge protection and charger stop charging settings have certain numerical differences, the protection board overcharge protection is a passive trigger, when the lithium battery protection board trigger protection. The lithium battery itself has been overcharged. This is a great harm to the lithium battery.
(2) the battery needs to match, match the battery with skills, 48V lead-acid battery fully charged state is 55.2V, 48V lithium battery has four kinds, lithium battery 13 strings of 54.6V and 14 strings of 58.8V, lithium iron phosphate 15 strings of 54V and 16 strings of 57.6V, these specifications can match the original 48V lead-acid battery electric car. Lead-acid battery electric car electronic parts are to a wider range of voltage values, slightly higher than the original battery voltage can withstand. The conventional battery on the market is 13-string lithium battery, in fact, if you choose 14-string lithium battery performance of electric vehicles will be better. Note here that some brands of electric vehicles will do control on the controller, so before replacing the battery, you need to do a test.
3) About the capacity, the maximum capacity value does not need to be considered, but it needs to be matched on the minimum capacity according to the power of the electric car motor. Too small capacity will often make the battery fatigue.
4）After the electric car bump lithium battery, the original lead-acid battery compartment will be bigger, which may cause the newly installed lithium battery to shake in the battery compartment, which is not allowed. After installing the lithium battery, the lithium battery must be fixed, there must be no shaking, and it needs to be a good anti-shock structure.
5) It is very necessary to choose the regular production of lithium batteries. Shenzhen Ruiding Electronics Co., Ltd. is a professional power lithium battery PACK manufacturer, specializing in electric bicycle power lithium battery. Electric tool power battery.
In short, the lead-acid batteries of electric vehicles to lithium batteries without too complex technical requirements, we just need to pay attention to the charger to be replaced, lithium batteries need to match can be fixed and installed without shaking, and must do a good job of battery shock-resistant structure.
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