
Start when the battery says no.
2500A peak / 800A starting current for compatible 12V vehicles. 50+ starts per charge under stated conditions.* Check the 8.0L Gas / 5.5L Diesel reference before connecting.
SuntNeew A3 · 12V · 16,000mAh
Ready for the no-start moment.
Peak = brief maximum output. Starting = rated starting current.
*Return eligibility and shipping conditions apply. See the linked policies.
Check your vehicle first. Confirm a 12V system and the engine reference. Starting results depend on battery health, temperature and setup.
Test documents ↗A3 FEATURES
From a dead battery to a dark roadside, A3 keeps the essentials close. See how it fits, what it powers and what comes in the case.
2500A peak · 800A starting · 50+ starts* · compatible 12V systems
2500A peak / 800A starting current for compatible 12V vehicles. 50+ starts per charge under stated conditions.* Check the 8.0L Gas / 5.5L Diesel reference before connecting.

−20°C to 60°C discharge range. Battery condition, vehicle fit and connection setup still affect results.

USB-C PD60W input and output, plus USB-A outputs, for compatible devices on the road.

21 × 9 × 3.5 cm and 0.77 kg. The ABS + aluminum-alloy body stays easy to stow in an emergency kit.

Smart-clamp status indicators plus reverse-polarity, short-circuit and connection protection help you check the setup before starting.
Battery percentage and input/output information on the screen. Connection status on the smart clamp.
See the display ↗Recharge A3 or power compatible devices with PD60W input and output.
See charging details ↗150 lm for low-light tasks, with steady, strobe and SOS modes.
See light modes ↗Specifications
Starting performance, charging and physical fit for the A3 / CY-A3 model.
*50+ starts is the stated capability per full charge. Actual results vary with engine size, vehicle battery condition, temperature, remaining charge and connection setup.
In the box

Keep the clamps, cable and A3 together in the carry case. Read the supplied manual before first use.
Support & certificates
Find the next step for setup, delivery or a problem with your order.
Charge A3 to at least 50%. Confirm a compatible 12V vehicle battery, identify the positive and negative terminals, and follow the clamp connection sequence in the manual.
Open the A3 manual ↗Wait at least one minute between attempts. Stop after three unsuccessful attempts and follow the manual for disconnection. Repeated cranking can damage the unit; the vehicle battery or another fault may need attention.
Get help with setup ↗Stop and check the clamp indication against the manual before another attempt. Do not bypass the clamp protections. Send us the vehicle details, A3 battery percentage and a photo of the clamp indication so we can help review the setup.
Contact product support ↗For fit, setup or an issue after delivery, email your order number (if available), vehicle details and a short description.
info@suntneew.com ↗Free Standard shipping from our U.S. warehouses to the contiguous 48 states and Washington, DC. Order processing: 2 business days. Transit after dispatch: 2–5 business days (Monday–Friday).
Shipping & delivery ↗Contact us for approval and the correct return instructions before sending anything back.
Return conditions ↗Send your order number and clear photos. Under our return policy, we cover return shipping for these issues.
Get order help ↗Select a step for details.
Keep your confirmation email and order number. They make delivery questions and support easier to resolve.
Eligible purchases may qualify for PayPal Purchase Protection. Coverage and conditions are set by PayPal.
PayPal protection terms ↗Approved refunds can be processed in full or in part through Oceanpayment. Bank processing times vary.
Oceanpayment refund process ↗Documents
Current operating instructions and original test documents for A3 / CY-A3.
A3 is the product name; CY-A3 is the model designation used in the product and test documents. The UL2743 file is a test report, not a UL Listing.
FAQ
Vehicle fit, everyday use and what to do if you need help.
Ask a product question ↗A3 is for compatible 12V vehicle systems, with an engine reference of up to 8.0L Gas / 5.5L Diesel. Battery condition, temperature and engine condition affect starting. Use the Vehicle Fit Check and follow the product and vehicle instructions.
2500A Peak is the brief maximum output. 800A Starting is the rated starting current. Peak current is not continuous output; the vehicle and battery condition still affect the result.
50+ starts is the stated capability per full charge. Your actual number of starts depends on the engine, vehicle battery, temperature, remaining charge and connection setup.
Wait at least one minute between attempts and stop after three unsuccessful attempts. Follow the manual for disconnection and check the vehicle battery. See starting help or contact us with your vehicle details and clamp status.
The USB-C port supports PD60W input and output. Check your device’s power requirements and use a compatible USB-C PD cable. USB-A outputs are also included.
Email info@suntneew.com with your order number and clear photos so we can review the issue and provide instructions. Under our return policy, we cover return shipping for items that arrive damaged, defective or incorrect. Read the return policy.
The kit includes the A3 unit, intelligent jumper clamps, a PD60W USB-C cable, an EVA carry case and a user manual. See In the box for the full list.
A3 is the product name. CY-A3 is its model designation in the product and test documents.
Customer reviews
Shared reviews across SuntNeew jump starters. Each review identifies the model it was written for.
Customer reviews appear here when available.
Jump-starting, PD60W charging and emergency light in one compact carry kit.