---
product_id: 440736425
title: "BOOKOO A9 Jump Starter 4000A for Car/Boat/Lawnmower(12L Gas/10L Diesel Engine) Portable 12V Car Battery Jump Starter with Jumper Cables,Quick Charging USB Ports and USB-C,3 LED Modes and Storage Box"
brand: "bookoo"
price: "₨34102"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/440736425-bookoo-a9-jump-starter-4000a-for-car-boat-lawnmower-12l
store_origin: LK
region: Sri Lanka
---

# 2000A peak jump power IP66 water resistant 20000mAh lithium capacity BOOKOO A9 Jump Starter 4000A for Car/Boat/Lawnmower(12L Gas/10L Diesel Engine) Portable 12V Car Battery Jump Starter with Jumper Cables,Quick Charging USB Ports and USB-C,3 LED Modes and Storage Box

**Brand:** bookoo
**Price:** ₨34102
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up anywhere, anytime — never get stranded again!

## Quick Answers

- **What is this?** BOOKOO A9 Jump Starter 4000A for Car/Boat/Lawnmower(12L Gas/10L Diesel Engine) Portable 12V Car Battery Jump Starter with Jumper Cables,Quick Charging USB Ports and USB-C,3 LED Modes and Storage Box by bookoo
- **How much does it cost?** ₨34102 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/440736425-bookoo-a9-jump-starter-4000a-for-car-boat-lawnmower-12l)

## Best For

- bookoo enthusiasts

## Why This Product

- Trusted bookoo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Ready:** Lightweight 1.9 lbs design fits glove box, with smart storage case for on-the-go ease 📦
- • **Fast Charging Hub:** USB 3.0 Quick Charge & 16V DC output powers all your devices at lightning speed 🔌
- • **Built Tough & Safe:** 8-layer protection + IP66 waterproof for reliable use in extreme weather conditions 💧
- • **Instant Power Surge:** Jump-start gas engines up to 8.0L & diesel up to 6.5L in seconds ⚡
- • **Emergency Multi-Mode Light:** 3 LED modes including SOS & strobe for safety and adventure after dark 🌟

## Overview

The BOOKOO A9 Jump Starter delivers a massive 2000A peak current with a 20000mAh lithium battery, capable of jump-starting large gas and diesel engines. Its compact, lightweight design includes fast USB 3.0 charging, a versatile 16V DC output, and a multi-mode LED flashlight for emergencies. Built tough with IP66 water resistance and 8 safety protections, it’s your ultimate portable power solution for cars, boats, lawnmowers, and more — engineered for professionals who demand reliability and speed in every situation.

## Description

A9 Jump Starter 20,000 mAh for Car/Boat/Lawnmower(4000A 12L Gas/10L Diesel Engine) Portable 12V Car Battery Jump Starter with Jumper Cables,USB Ports and USB-C,3 LED Modes and Storage Box

## Features

- 【POWERFUL JUMP STARTER 2000A/20000mAh】- The 74Wh portable lithium car battery jump starter can safely jump start a low volt,drain or dead car battery in seconds with this 2000A car starter, rated for gasoline engines up to 8.0L and diesel engines up to 6.5L. Can work at -4ºF~149ºF extreme environments for Passager,Truck, Garden tractor, Generator, lawn Mower, Farm tractor, Riding mower, Motorcycles, Boat, Snowmobiling, ATVs, RV, Van, SUV, Watercraft, Yacht
- 【BATTERY JUMPER STARTER PROTABLE】 - Compact size and lightwight (8.6"x5.5"x3.5",0.9lbs), easy to use and carry,can be storaged easily in the glove box of your car, safe and space-saving; comes with a storage box for the battery pack, car accessories are not easy to lose,also protects the car jumper from missed-touch
- 【MORE THAN A CAR BATTERY JUMP STARTER】 - More than a car battery jump starter, the BOOKOO A9 designed with 2 USB outputs (5V/2.1A)and (5V/3A 9V/2A 12V/1.5A);The quick charge 3.0 USB port can fully charge your tablet, smartphone, GPS, camera, camcorders, Bluetooth headphones and other mobile devices at the fastest (up to 75% faster than a standard chargers). And can power your other car accessories by using a 12V-16V/6A DC port. like tire inflators, inverters and more,worked as an battery backup
- 【MULTI FUNCATION JUMP BOX】 - Not just a jump box, it has 3 LED lights modes: Flash Light, Strobe Light, and SOS Light. This multi-purpose flashlight comes in handy in case of picnic, travel, emergency and outdoor adventures; 400 LM 5W LED can work more than 10 hours,weather you take it for reading or for help
- 【RELIABLE & 8 SAFE FEATURES】 - The BOOKOO A9 jump starter 2000 A is super safe to use with 8 protections including: over-current, over-load, over-voltage,over-charge,short circuits, reverse polarity, power surging and sparking,and so forth; You can detect the errors by simply checking the lights and the beep sound from the smart jumper clamps.
- 【LONG LASTING & LARGE CAPACITY】This A9 jumpstart was used a premium lithium-ion battery pack, 20000 mAh large capacity battery backup can start dead battery over 30 times and recharge your iPhone 4x, watch 10x, headphones 15x, suitable for more on-the-go devices; 18W Type-C input and QC 3.0 output allow you to power them up any time any where
- 【IP66 WATER RESISTANT FOR EXTREME WEATHER】BOOKOO Jump starters fitted with a waterproof rubber stopper, allows you to start your car in raining or snowy day; And it can work easily at -4ºF~149ºF temp weather you are in California, Texas or Florida
- 【WHAT YOU GET】 - A9 Jump Starter, Smart Jumper Clamps,USB Wall Charger Adapter, Micro USB A to USB C Cable, Hard carrying case, Cigarette Lighter Cable, User Guide, lifetime technical support and worry free after-sale service 24/7

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | BooKoo |
| Product Dimensions | 6.57"D x 3.15"W x 1.57"H |
| Item Weight | 1.9 Pounds |
| Amperage | 2000 Amps |
| Peak Output Current | 2000 Amps |
| Manufacturer | BOOKOO |
| UPC | 645716648698 |
| OEM Part Number | 2000A portable Jump Starter portable charger power bank battery jumper, Jump Starter battery pack portable, battery Jump Starter power booster Jump Starter power bank, car Jump Starter Battery Booster Pack jumpstart booster box truck pack battery Jump Starter, compact Jump Starter battery pack |
| Model | A9 portable battery jump starters automotive |
| Item Weight | 1.93 pounds |
| Item model number | A9 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Exterior | Painted |
| Manufacturer Part Number | HengKe Energy(GuangDong)Co,.Ltd |
| Bulb Type | 2000A portable jump starters |
| Lift Type | battery booster jump starters pack |

## Product Details

- **Brand:** BooKoo
- **Product Dimensions:** 6.57"D x 3.15"W x 1.57"H
- **Item Weight:** 1.9 Pounds
- **Amperage:** 2000 Amps
- **Peak Output Current:** 2000 Amps

## Images

![BOOKOO A9 Jump Starter 4000A for Car/Boat/Lawnmower(12L Gas/10L Diesel Engine) Portable 12V Car Battery Jump Starter with Jumper Cables,Quick Charging USB Ports and USB-C,3 LED Modes and Storage Box - Image 1](https://m.media-amazon.com/images/I/714-WjIjODL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Is there a warranty for the jump starter battery pack? If so, how long?**
A: We take responsibility for each item we sold, no worries, and we provide one year warranty and lifetime service for BOOKOO portable jump starter. Any further questions pls feel free to contact us. (hongquan2022@outlook.com)

**Q: Zipper broke on case of A9 charger - can I purchase a new case?**
A: Our accessories including the battery jumper carrying case are all not sold separately.
You could buy another case in other store on amazon.
Any further questions, please feel free to contact us: service@ibookoo.com

**Q: Can i use this to jump start my starter battery on my prius prime ev?**
A: This jump starter has 1000A starting current and 2000A peak current.
It could start a 12V vehicle up to 8.0L Gas or 6.5L Diesel.
Please kindly check whether your car engine is within the limit.
Any further questions, please feel free to contact us: service@ibookoo.com

**Q: What kind of ac adapter and car charger can i use to charge this A9 battery jump starter?**
A: It uses a USB C cable. You can use a phone charger adapter, tablet, etc, the wall charger and cable are included. Any further questions about the BOOKOO A9 booster starter jumper pls feel free to contact us. (hongquan2022@outlook.com)

## Frequently Bought Together

- Jump Starter 12V 2000A for Car/Boat/Lawnmower(8.0L Gas/6.5L Diesel Engine) Portable Booster Battery Pack with Jump Cables/Wall Charger/USB Cable
- Amazon Basics Jumper Cable for Car Battery, 12-feet (10-gauge)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-17*