18-21V Battery Jump Starter Booster Cable | Portable Car Starter
Never Get Stranded Again – Compact Battery Jump Starter Booster Cable
This 18–21V Battery Jump Starter Booster Cable is your must-have emergency companion for cars, trucks, and SUVs. Designed to convert power from compatible 18–21V lithium tool batteries (sold separately) into instant starting energy, this compact adapter lets you get back on the road quickly — no bulky jump pack required.
Key Features
- Wide Vehicle Compatibility: Works with cars, SUVs, and trucks — a dependable starting solution for nearly any vehicle with a discharged or undercharged battery.
- Durable ABS + Copper Construction: The housing is made from conductive-safe ABS material with copper internals, delivering both safety and long-lasting durability.
- Secure Alligator Clips: Two heavy-duty alligator clips with serrated jaws and strong spring tension ensure a firm, stable connection to your vehicle's battery terminals every time.
- All-Season Performance: Engineered to deliver reliable starting power in a wide range of weather conditions — hot summers, cold winters, and everything in between.
- Ultra-Compact & Portable: At just ~150g and small enough to fit in your glove compartment or a small storage bag, this adapter is always ready when you need it most.
- Simple to Use: Connect the alligator clips to the battery terminals, attach your compatible 18–21V lithium battery to the adapter, and start your vehicle — it's that straightforward.
Specifications
| Compatible Voltage | 18–21V (lithium tool battery, not included) |
| Material | ABS + Copper |
| Box Dimensions | ~8 cm (L) × 5.5 cm (W) / 3.15" × 2.17" |
| Cable Length | ~18 cm / 7.09 inches |
| Clip Length | ~9 cm / 3.54 inches |
| Weight | ~150 g |
| Battery | Not included |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × Car Start Battery Starter Booster Cable Adapter
⚠️ Note: The 18–21V lithium battery is not included. Please ensure your battery is compatible before use. Always follow proper jump-starting safety procedures.
For general vehicle battery safety tips, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on electrical and battery safety.
Frequently Asked Questions
Q: What type of battery does this jump starter booster cable adapter require?
A: This adapter is compatible with 18–21V lithium-ion tool batteries (such as those used with power drills or other cordless tools). The battery is not included — you must supply a compatible 18–21V battery separately to use this jump starter booster cable.
Q: What vehicles can I use this portable car battery jump starter with?
A: This booster cable adapter is suitable for most standard cars, SUVs, and trucks. It is designed to work with conventional 12V vehicle batteries. Always verify your vehicle's battery specifications before use to ensure compatibility.
Q: Is this portable jump starter safe to use in all weather conditions?
A: Yes — this battery jump starter booster is engineered for use across a variety of weather conditions, including hot and cold climates. The ABS housing provides a safe, durable grip, and the serrated alligator clips ensure secure connections regardless of the environment.
Q: How compact is this emergency car battery starter?
A: It's very compact — the unit measures approximately 8 cm × 5.5 cm and weighs around 150g, making it small enough to store in your glove compartment, center console, or a small storage bag for easy access in emergencies.