Will sodium-ion battery technology become the best solution for motorcycle starting batteries?
Compared to lead-acid starter batteries, sodium-ion starter batteries for motorcycles demonstrate significant advantages in terms of charging or discharging efficiency, cold cranking capability, life cycle, long-term storage, and lightweight.
1. Charge or discharge efficiency of sodium-ion starting batteries for motorcycles
When the ambient temperature is above 0°C, the sodium-ion starter battery is capable of continued 3C-5C charging. The battery can be fully charged in just 15 to 25 minutes. Even in an environment of -30°C, the sodium-ion starter battery maintains a Coulombic efficiency (discharge efficiency) as high as 90%.
When sodium-ion starting batteries are used to power onboard electrical equipment, their coulombic efficiency (discharge efficiency) at low temperatures is much higher than that of lead-acid starting batteries.
2. Cold cranking capability of sodium-ion starter batteries for motorcycles
At an ambient temperature of 0°C, a sodium-ion starter battery with a State of Charge (SoC) of 70%–80% retains the capability for 60C pulse discharge; when the SoC exceeds 90%, its pulse discharge capability reaches as high as 70C.
For users in cold regions, sodium-ion starter batteries—with their robust low-temperature pulse discharge capability—ensure that vehicles can be successfully started anytime, anywhere.

3. Life cycle of sodium-ion starter batteries for motorcycles
Under 1C current cycling test conditions, sodium-ion starter batteries achieve a cycle life of up to 2,000 cycles, which is 3 to 4 times longer than lead acid starter batteries.
The ultra-long life of sodium-ion starter batteries can significantly reduce the frequency with which users need to replace their starter batteries. When comparing the cost per cycle of sodium-ion chemistry against lead-acid chemistry, the cost is significantly lower than that of lead acid starter batteries.
4. Storage of sodium-ion starter batteries for motorcycles
Sodium-ion starter batteries can be stored for 6-12 months at 0V without suffering degradation or posing safety risks. This unique advantage stems from the specific structural design of the sodium-ion battery's anode - a characteristic not found in any other known types of rechargeable batteries.
When a vehicle meets long-term parking, short-distance driving, or modification, lead-acid starter batteries are prone to deep discharge - which can lead to battery failure. However, utilizing sodium-ion starter batteries in such vehicles offer an excellent solution to this challenge.
5. Lightweight of sodium-ion starter batteries for motorcycles
Compared to similar starting batteries, sodium-ion starting batteries weigh only 30%-40% of lead-acid starting batteries, which not only optimizes the overall vehicle weight but also comprehensively improves the vehicle's dynamic performance.
Lightweighting can improve vehicle handling response speed. For vehicles that need to frequently corner, cornering tracking and rollover speed are significantly improved. It can also improve vehicle acceleration performance or reduce braking load and braking distance.
Sodium-ion starting batteries for motorcycles outperform lead-acid starting batteries in all aspects, including charge, or discharge efficiency, cold cranking capability, cycle life, long-term storage, and lightweight design, making them particularly suitable for motorcycles that require reliable starting, long-term parking, and lightweight handling. Although currently slightly more expensive, their extended lifespan significantly reduces the cost per use. Sodium-ion battery technology holds promise as the optimal solution for motorcycle starting batteries.
About DEFORD New Power Co., Ltd.
DEFORD New Power Co., Ltd. is committed to design and manufacture advanced, safe and reliable sodium-ion starting batteries. We are veterans of battery industry, and our core team has more than 20 years battery expertise.
Thanks to our deep understanding to battery technology, battery management system (BMS), and expertise on mechanics and thermodynamics. With the assistance of our advanced manufacturing facilities and cloud-based manufacturing execution system (MES). We do have the ability to guarantee the high quality, safety and reliability of your starting batteries.
For any inquiries about sodium-ion starter batteries for motorcycles, please contact us by info@deford.com.cn.