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- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The SENFLY T40 is a compact yet powerful 2000-amp lithium jump starter, engineered to safely jump-start a dead vehicle battery in seconds—making it the ideal choice for 24V trucks, boats, SUVs, vans, and various other vehicles. Tailored specifically for transport vehicles, this portable car battery booster delivers robust performance while remaining lightweight and portable, sparing your arms from the strain of lugging around heavy lead-acid starter batteries. It is suitable for gasoline engines with a displacement of up to 12.0 liters or diesel engines of up to 12.0 liters. The unit features built-in "10-in-1 UltraSafe Technology," incorporating multiple safety mechanisms—including spark-proof connections, reverse-polarity protection, and short-circuit protection—to ensure it serves as a safe and foolproof battery booster for any 24-volt vehicle. It also doubles as a portable power bank, supporting the PD 30W fast-charging protocol to provide crucial power to smartphones, tablets, and other devices when you need it most. Furthermore, it is equipped with a "2-in-1" lighting system: a built-in 500-lumen LED flashlight offers three lighting modes (including an SOS signal and an emergency strobe mode), while a separate floodlight illuminates a wide area. In the event of a nighttime vehicle breakdown, it can be switched to a red warning light mode—proving invaluable for night work, enhancing roadside visibility, or handling emergency situations. Thanks to its ultra-compact, rugged design and a heavy-duty casing that meets the 94-V0 fire-retardant standard, this jump starter can easily withstand harsh conditions, including water splashes, dust ingress, accidental drops, and rough handling. The T40 comes complete with heavy-duty jumper cables, a USB-C charging cable, and a dedicated storage bag; all accessories are backed by a 1-year warranty, and the entire unit has been meticulously designed and crafted by a team of jump-starter experts with 15 years of industry experience. Whether you are looking for a car jump starter, a battery booster box, or a portable power pack—or simply wish to keep a reliable emergency battery unit on hand in your vehicle—the T40 delivers unparalleled performance, dependable durability, and complete peace of mind. It stands guard over every road transport operation, helping to minimize unexpected setbacks and ensure more on-time deliveries.
Specifications
| MODEL | T40 |
| STARTING CURRENT | 1000A |
| PEAK CURRENT | 2000A |
| CAPACITY | 40000mAh/148Wh(High-discharge Lithium-ion) |
| LED LIGHT | Lighting/SOS/Strobe/Red warning/ |
| START CABLE CLAMP | Patented Ultra Smart Clamps (spark-proof/Reverse Polarity etc. 10 in 1) |
| OUTPUT#1 | USB-A: 5V/2.1A｜5V/3A|9V/2A｜12V/1.5A |
| OUTPUT#2 | USB-A: 5V/2.1A｜5V/3A|9V/2A｜12V/1.5A |
| OUTPUT#3 | / |
| INPUT | USB-C PD18W (Full charge in 5 hours) |
| AIR COMPRESSOR | / |
| OPERATION TEMPERATURE | -20°C to 60°C (-4°F to 140°F) |
| Housing Material | 94-V0 Fire-Retardant Heavy-Duty Shell |
| DIMENSION | 275*169*137mm 10.8*6.65*5.4inch |
| CUSTOMIZE OPTIONS | 148Wh（40000mAh） |
Applications
● Jump-starting a dead battery
Revive your dead battery in seconds and get back on the road without waiting for a tow.
● Nighttime roadside repairs
Light up your workspace and stay visible to others during late-night emergency repairs.
● Powering digital devices
Use it as a high-capacity power bank to keep your gadgets juiced up during long trips.
Advantages
1. Excellent portability: The compact body integrates a jump starter, and Two LED light, Weighs only one-tenth as much as a traditional 24-volt jump starter. Making it easy to carry or place in the box, storage compartment, or anywhere else in your vehicle.
2. The outer shell is made of 94-V0 grade fire-retardant material, ensuring peace of mind even in extreme conditions.
3.This innovative battery pack solution significantly enhances the stability and thermal management capabilities of the 24V emergency jump starter, compared to products from other manufacturers.
4. The product uses top-tier battery cell suppliers, offering stronger discharge capacity and greater safety compared to cells of the same capacity.
5. Utilizing a self-developed patented protective clamp, it perfectly protects against any risks, whether human error or environmental accidents, ensuring the safety of both the battery and the user.
6. Two-step start-up: After clamping the starter clamp, no further operation or button presses are required; it starts immediately. Even beginners can operate it—super simple.
7. Two USB charging ports can power electronic devices simultaneously, ensuring worry-free power supply outdoors.
8. The 40000mAh(148Wh)battery provides ample power, easily handling tasks such as starting vehicles, outdoor rescues, camping, and powering various equipment and tools.
FAQ
1. How do I determine what specifications of product I need?
First, confirm the engine displacement of your or your main customer group's vehicles. Generally, higher displacement vehicles require a larger starting current, and battery capacity is positively correlated with starting current. Also, note that lithium batteries experience reduced activity in cold environments; therefore, in cold regions, even for small-displacement vehicles, it's best to use a larger capacity starting power supply.
2. Why do some manufacturers offer significantly larger battery capacities and starting currents for the same product size?
You need to know that current global battery technology still prioritizes energy density in relation to battery volume and weight. If the product you receive has an abnormally high peak current or capacity, be aware that it may be fraudulent. We are committed to providing genuine and high-quality products to our customers; this is our bottom line.
3. What kind of after-sales policy do we offer?
We offer two different after-sales policies to suit your needs: 1. We provide a certain percentage of extra products with each order for you to replace your customers' products; 2. We offer a 1-2 year after-sales guarantee. During this period, you need to collect the damaged products and send them back to the factory for our technicians to assess. If the damage is not caused by human error, we will resend the products with your next order.
4. What can I customize for the products?
We offer rich and flexible customization services. For standard product versions, you can choose battery capacity, product color, logo printing, customized outer packaging, cable clip specifications, customized product specification labels, and instruction manuals. If you need a more competitive product, you can choose a full ODM service. We provide free appearance design and 3D modeling. You only need to pay an additional mold fee to have your own custom molded product.
5. What certifications do our products support?
Our products can support almost any certification you need, such as: CE, FCC, 3C, UKCA, UL, PSE, BIS, RoHS, UN38.3, MSDS, TÜV, etc.
