Cold mornings have a way of exposing which batteries are up to the job.
If you've ever watched a diesel crank slowly when temperatures drop, or dealt with a battery that gave up after one deep discharge, you know the frustration. It's not just an inconvenience—it's time lost, schedules pushed back.
JIEYO's new sodium-ion starter batteries are built with a different approach.
Cold weather performance that's consistent
At -40°C, these batteries keep over 80% of their rated capacity. That means when the temperature drops, the power to start is still there.
All four models deliver 1200A peak cranking current (5 seconds). Enough for passenger cars, heavy trucks, and most equipment in between.
One thing lead-acid can't do
Lead-acid batteries have a limitation: drain them too far, and they're permanently damaged. Once that happens, replacement is the only option.
Sodium-ion handles this differently. These batteries can be discharged all the way to 0V without damage. Leave lights on? Parasitic drain while parked? Charge it back up, and full capacity returns. No permanent damage. No unexpected replacement.
Safety features that matter
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Puncture-resistant — no fire, no explosion
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Built to handle overcharge and over-discharge
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Flame-retardant casing
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Full BMS protection (overcharge, overheat, overcurrent, short circuit)
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IP65-rated: dust-tight and splash-resistant, suitable for rain or damp conditions
Long-term value
Rated for over 50,000 starting cycles — roughly 8–10 years of daily use. Fewer replacements over time means lower maintenance costs and less hassle.
Four models, direct fit
| Model | Voltage | Capacity | CCA (5s) | Weight | Group Size |
|---|---|---|---|---|---|
| JYF1220 | 12V | 20Ah (240Wh) | 1200A | 7.6–8 kg | B19 |
| JYF1240 | 12V | 40Ah (480Wh) | 1200A | 7.6–8 kg | H6 |
| JYF1280 | 12V | 80Ah (960Wh) | 1200A | 15–16 kg | H9 |
| JYF2440 | 24V | 40Ah (960Wh) | 1200A | 15–16 kg | H9 |
Same voltage as lead-acid, same terminal layouts. No modifications needed.
Who needs this
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Fleet operators tired of winter jump-starts
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Construction companies running gear in remote locations
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Trucking fleets where every morning start matters
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Drivers in cold climates looking for a battery that actually lasts
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See if they fit your setup
If you're evaluating starter batteries for your vehicles or equipment, we're happy to help. Tell us what you're working with, and we'll point you to the right model.
About JIEYO
JIEYO is a professional battery manufacturer with over 20 years of experience in R&D, design, production, and sales of customized rechargeable batteries and energy storage solutions.
We offer lithium-ion, Ni-MH, sodium-ion, and Li-Po batteries — including variants engineered for wide temperature operation, high discharge rates, large capacity, low self-discharge, and long cycle life. These products are widely used in power tools, e-bikes, household appliances, lighting, cleaning equipment, and RC models and toys.
We also provide energy storage systems for residential, small commercial, industrial, and mobile applications — designed with safety, compatibility, and long service life in mind.
Committed to quality, sustainability, and ethical practices, JIEYO holds ISO 9001, ISO 14001, and SA 8000 certifications. Our products comply with major international standards, including UL, CB, CE, BIS, KC, PSE, FCC, ROHS, REACH, and UN 38.3, and are exported to North America, Europe, East Asia, Oceania, and Africa.
