PRODUCT SUPPORT

CY-A20

A20 Support & Manuals

Read the illustrated quick start online, download the English, French and German version in one PDF, or review the safety and compliance categories recorded for the A20 family.

View A20 product
Rated capacity
8,000mAh / 29.6Wh
Starting / peak current
750A / 1,500A
Input / output
USB-C + 2 × USB-A
Family variants
8,000 / 12,000 / 16,000mAh

ONLINE USER MANUAL

A20 Jump Starter — 8,000mAh

Use this online guide for charging, 12V starting, safety and the A20 family variants.

Online edition based on the illustrated quick-start sheet dated July 9, 2026 for the 8,000mAh A20.

Product overview

A20 is a compact 12V jump starter family. The page covers four sellable combinations: 8,000mAh Orange, 8,000mAh Red, 12,000mAh Orange and 16,000mAh Orange.

8,000mAh: 29.6Wh, 750A starting, 1,500A peak, shipping weight 0.75kg
12,000mAh: 44.4Wh, 1,500A starting, 3,000A peak, shipping weight 0.83kg
16,000mAh: 59.2Wh, 2,000A starting, 4,000A peak, shipping weight 0.94kg

Input: USB-C 5V/2A or 9V/2A
Output: 2 × USB-A 5V/2A (3A max)
Cycle-life reference: 300 cycles
Discharge temperature: −20°C to 60°C

The documented pack contains the A20 main unit, a smart clamp, a USB cable, the colour box and the manual. Compare the capacity printed on your unit before comparing specifications.

Charging the unit

Charge by Type-C: connect a USB-C cable to the input and a 5V/2A or 9V/2A source. Use the supplied cable.

Charge in the vehicle: the unit can also be recharged from the vehicle 12V socket with the appropriate cable.

Jump-start a vehicle

Charge the unit to at least 50% before starting and follow the vehicle manufacturer's instructions.

  1. Turn off the vehicle and all electrical loads.
  2. Insert the clamp plug fully into the jump-start port of the unit.
  3. Connect the red clamp to the positive terminal, then the black clamp to the negative terminal.
  4. Confirm the clamp shows the ready condition, then start the vehicle.
  5. Remove the clamps within 30 seconds after the engine starts and leave the engine running.

After a failed attempt, wait at least one minute and do not make more than three consecutive attempts.

Safety and care

  1. Use the unit only with a compatible 12V vehicle battery.
  2. Verify polarity before every connection; never reverse positive and negative.
  3. Do not let the clamps touch each other and do not create a short circuit.
  4. Do not expose the unit to water, high heat, fire or strong magnetic fields.
  5. Do not disassemble, puncture or modify the unit.
  6. Do not connect loads that exceed the documented USB outputs.
  7. Avoid impact, dropping, crushing and squeezing.
  8. This product is not a toy; keep it away from children.
  9. Recharge the unit at least once every three months when stored for a long time.

FCC notice

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

MODEL-MATCHED INFORMATION

Safety & Compliance

The four safety and compliance categories recorded for the A20 family are collected here. Match every document to the capacity printed on your unit.

FCC

Electromagnetic compatibility

FCC information associated with the CY-A20 8,000mAh / 12,000mAh / 16,000mAh variants.

U.S. market information
Safety tested to UL 2743

Product safety testing

Product-level safety-test scope recorded for the CY-A20 model family.

Product safety evidence
UN38.3

Battery transport testing

Transport-test documentation used to support handling and shipment of the model-matched battery pack in the A20 family.

Transport evidence
SDS

Safety and handling information

Safety Data Sheet information for handling, storage and response for the battery used in the A20 family.

Safety information

Match every document to the model printed on the product label. Safety testing, transport records and safety data serve different purposes.

Contact product support