Ginkgo Battery has independently developed a lithium‑mixed linear power battery specifically tailored to the characteristics of lead‑acid batteries and has successfully obtained an invention patent. The product is designed for zero‑modification, seamless replacement of lead‑acid batteries and has now established a production line from… 48V to 72V The lithium‑ion battery product line offers a perfect replacement for lead‑acid electric‑vehicle batteries across the following key aspects.

• Vehicle Instrument Panel Adaptation

After replacing a conventional lead-acid battery with a lithium‑ion battery, the meter’s remaining charge often… SOC ) The display is inaccurate, making it impossible to determine how far the electric vehicle can still travel or whether the battery needs charging. This is because lead‑acid batteries exhibit a linear discharge curve—remaining capacity and voltage are linearly proportional—and the vehicle’s onboard meter relies on this relationship to show both the current state of charge and the estimated range. In contrast, conventional lithium‑ion batteries have a discharge curve that drops rapidly at both ends but remains relatively flat in the middle, forming a stable discharge plateau. As a result, remaining capacity cannot be directly inferred from the battery voltage; specialized software algorithms are required to estimate both the state of charge and the remaining driving range.

The ginkgo‑lithium hybrid battery effectively addresses this issue by employing a series‑parallel integration of lithium and sodium batteries, transforming the battery’s discharge curve into one that closely resembles the linear curve of lead‑acid batteries. At the same time, it aligns its operating voltage range with that of lead‑acid batteries, thereby ensuring compatibility with vehicle‑mounted instruments and accurately displaying the remaining charge ( SOC ) Can be displayed accurately.

• Adaptation of the vehicle-mounted electronic controller

Based on the operating voltage of the vehicle’s electronic control unit for each voltage class, the corresponding Ginkgo lithium‑ion hybrid battery is matched to that voltage, ensuring that the ECU is not subjected to overvoltage while maximizing the utilization of the battery’s capacity to extend the driving range. Meanwhile, with respect to the operating current, the discharge overcurrent protection threshold of the lithium‑ion hybrid battery is set according to the ECU’s maximum allowable current, thereby preventing damage to the ECU due to overcurrent.

• Adaptation of lead-acid chargers

Lead-acid charger The two main differences from lithium‑battery chargers are as follows: first, even when they share the same voltage rating, their maximum output voltages differ. For example, both… For 48V chargers, the maximum voltage of a lead‑acid charger is 57.6V, whereas lithium‑battery chargers have varying full‑charge voltages depending on the cell type and series configuration—ranging from as low as 54.6V to as high as 59.5V. Secondly, lithium batteries are highly intelligent: once fully charged, they automatically cut off power, and you must unplug and reconnect the charger to resume output for recharging. However… Lead-acid After the battery is fully charged, Charger It will enter the float‑charge state, with the charger continuously outputting voltage. If the lithium battery cannot intelligently detect the charger, it will enter… The cycle of “triggering overcharge protection—delayed release of protection—re‑triggering protection” means that if the protection fails, the battery is at risk of overcharging.

Based on the two points above, the ginkgo‑lithium hybrid battery incorporates two compatibility‑enhancing design features: first, as mentioned earlier, its operating voltage range is set within the typical operating range of lead‑acid batteries to ensure full charging; second, it implements charger‑identification and management, since the lithium‑hybrid battery employs positive‑terminal control. BMS protection board The scheme enables reliable detection of external chargers: when the charger remains connected and the battery is fully charged, overcharge protection is maintained, thereby preventing frequent activation of the protection mechanism.