CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Ultra-Powerful 450A Cold Cranking Amps (CCA) Provides a massive 450A instantaneous discharge current (3S), capable of starting even the most demanding high-displacement engines in extreme conditions.
Large 17.5Ah Capacity & 210Wh Energy Utilizing high-capacity Na+ cells, offering exceptional energy storage and long-lasting power for sophisticated vehicle electronics.
Advanced Active Balance System Integrated with an Active Balance Module to maintain precise cell equilibrium, significantly enhancing battery stability and service life.
Unrivaled Extreme Cold Performance Reliable engine ignition from -40°C up to 75°C, outperforming traditional lithium and lead-acid batteries in harsh winter or high-heat environments.
Eco-Friendly & Maintenance-Free A clean energy solution using sustainable sodium technology. 0V storage safe, no acid required, and zero maintenance throughout its long lifespan.

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CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Product Introduction

The 12V17.5Ah is our most powerful sodium-ion starting battery, designed for heavy-duty applications that require maximum cranking power and deep energy reserves. With a staggering 450CCA and 17.5Ah capacity, this 12V Na+ pack is the ultimate choice for touring motorcycles, snowmobiles, sidecars, and small machinery. Built with advanced Na+ chemistry, it combines the lightness of modern tech with the rugged reliability needed for adventure and professional use, offering a superior, fire-safe alternative to lead-acid and Li-ion batteries.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Maximum Ignition Force (450CCA)

Engineered for high-torque startups, the 450A peak current ensures that even large-displacement multi-cylinder engines fire up instantly. It is the perfect companion for riders who venture into polar or alpine environments.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Safety First: Non-Flammable Chemistry

Sodium-ion technology offers unparalleled thermal stability. Unlike lithium-based batteries, the sodium-ion chemistry is highly resistant to thermal runaway and fire, providing peace of mind in high-vibration and high-heat automotive scenarios.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Intelligent Active Cell Management

Equipped with an advanced Active Balance Module, the battery prevents cell voltage imbalance in real-time. This active management optimizes the full 210Wh of energy and ensures every start is as strong as the first.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Rapid Charging & Zero-Voltage Recovery

Supports high-rate charging at 8.75A (standard) and up to 17.5A (max). Its unique tolerance for 0V storage means it can be fully recovered even after being left idle for an entire off-season without a maintainer.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

Heavy-Duty Yet Lightweight

At approximately 2.5kg, it is a fraction of the weight of a comparable 20Ah+ lead-acid battery, improving vehicle handling and fuel efficiency while offering vastly superior cycle life and performance.

Technical Data

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Item	Specification
Model	CT12V17.5Ah
Chemistry	Sodium-Ion
Nominal Voltage	12V
Nominal Capacity	17.5Ah
Energy	210Wh
Peak Current (CCA)	450A (3 Seconds)
Standard Charge Current	8.75A
Max Charge Current	17.5A
Discharge Cut-off Voltage	6.0V
Internal Resistance	≤ 40mΩ
Operating Temp (Charge)	0°C ~ 45°C
Operating Temp (Discharge)	-20°C ~ 60°C
Weight	Approx. 2.5kg
Dimensions (LxWxH)	150mm * 86mm * 163mm

More Products Model:

Normal temperature charging
Model	Nominal Voltage(V)	Typical Capacity(Ah)	Operating Temperature(℃)	25±2℃ CA（A）	-18±2℃ CCA（A）	Charge Current(A)	Size（mm）	Suitable for lead-acid battery models
CT-NA12V2Ah	12	2	0~75	95	70	1-6	115×70×86	YTX4L-BS,YTZ5S,YB4L-A,YB4L-B
CT-NA12V2Ah	12	2	0~75	95	70	1-6	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V2Ah	12	2	0~75	95	70	1-6	120×60×128	12N5-3B,12N5-4B,YB5L-B
CT-NA12V3.5Ah	12	3.5	0~75	110	85	1-10	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V3.5Ah	12	3.5	0~75	110	85	1-10	115×70×130	YTX7L-BS
CT-NA12V3.5Ah	12	3.5	0~75	110	85	1-10	150×85×95	YTX7A-BS
CT-NA12V4.5Ah	12	4.5	0~75	112.5	87	1-12	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V4.5Ah	12	4.5	0~75	112.5	87	1-12	115×70×130	YTX7L-BS
CT-NA12V4.5Ah	12	4.5	0~75	112.5	87	1-12	150×85×95	YTX7A-BS
CT-NA12V7Ah	12	7	0~75	220	170	2-21	150×85×105	YTX9-BS
CT-NA12V7Ah	12	7	0~75	220	170	2-21	150×85×130	YT12A-BS,YTZ12S,YTX12- BS,YTZ14S,YB12B-B2
CT-NA12V9Ah	12	9	0~75	230	174	2-27	150×85×105	YTX9-BS
CT-NA12V9Ah	12	9	0~75	230	174	2-27	150×85×130	YT12A-BS,YTZ12S,YTX12- BS,YTZ14S,YB12B-B2
Low-temperature charging
Model	Nominal Voltage(V)	Typical Capacity(Ah)	Operating Temperature(℃)	25±2℃ CA（A）	-18±2℃ CCA（A）	Charge Current(A)	Size（mm）	Suitable for lead-acid battery models
CT-NA12V2Ah-LT	12	2	-20~75	100	75	1-6	115×70×86	YTX4L-BS,YTZ5S,YB4L-A,YB4L-B
CT-NA12V2Ah-LT	12	2	-20~75	100	75	1-6	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V3.5Ah-LT	12	3.5	-20~75	140	105	1-10	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V3.5Ah-LT	12	3.5	-20~75	140	105	1-10	115×70×130	YTX7L-BS
CT-NA12V3.5Ah-LT	12	3.5	-20~75	140	105	1-10	150×85×95	YTX7A-BS
CT-NA12V4.5Ah-LT	12	4.5	-20~75	180	140	1-12	115×70×110	YTX5L-BS,YTZ7S,YB7C-A
CT-NA12V4.5Ah-LT	12	4.5	-20~75	180	140	1-12	115×70×130	YTX7L-BS
CT-NA12V4.5Ah-LT	12	4.5	-20~75	180	140	1-12	150×85×95	YTX7A-BS
CT-NA12V7Ah-LT	12	7	-20~75	280	210	2-21	150×85×105	YTX9-BS
CT-NA12V7Ah-LT	12	7	-20~75	280	210	2-21	150×85×130	YT12A-BS,YTZ12S,YTX12- BS,YTZ14S,YB12B-B2
CT-NA12V9Ah-LT	12	9	-20~75	360	270	2-27	150×85×105	YTX9-BS
CT-NA12V9Ah-LT	12	9	-20~75	360	270	2-27	150×85×130	YT12A-BS,YTZ12S,YTX12- BS,YTZ14S,YB12B-B2

Our Gallery

Our products are adaptable to various scenarios, and we provide one-on-one remote assistance for seamless on-site installation.

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

CTECHI 12V17.5Ah High-Power Sodium-Ion Starting Battery

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CTECHi a global energy storage expert with 21 years of battery industry experience, specializes in customized, high-performance, cost-effective battery solutions and full-service support.

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+86 075582581455

info@ctechi.com.cn

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