Description








Price: $36.79 - $31.27
(as of Aug 13, 2025 16:55:42 UTC – Details)
From the brand

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BOOKOO as the top innovator of R&D car accessories multi-function jump starter pack, portable solar generator power supply devotes to provide the first-rate products and service to customers worldwide. Our factory is ISO9001 and products are CE FCC RoHS MSDS UL LVD certificates as well Invention Patent approved. BOOKOO is steadily developing varieties products for better cooperation with customers. We are expecting to grow together with you.

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【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
【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
【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
【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
【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
【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
Customers say
Customers find the jump starter works well, with one mentioning it starts vehicles multiple times daily, and appreciate its compact size that fits in the glove box. They consider it good value for money and easy to use, with immediate car start capability. The battery life and charge rate receive mixed feedback – while some say it keeps charge for a while and charges quickly to 100%, others report losing about 10-15% charge and taking time to recharge. The build quality also gets mixed reviews, with some describing it as solid while others find it cheaply constructed.







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