Never get stuck again! With the Rezervo Batteryless Jump Starter, it will be ready anytime, anywhere you need it. Unlike traditional jump starters that require a charge before jumping your car, the Rezervo Batteryless Jump Starter only requires a quick charge from your weak battery to get your car started.
The REZERVO batteryless jump starter uses ultracapacitor technology. It is able to harness the power from your weak battery and boost it to start your car. With built-in intelligent circuitry designs, it also prevents you from making mistakes while using the jump starter.
This jump starter performs well in extreme conditions. Traditional batteries, such as lead acid or lithium-ion, deliver lower cranking current at low temperatures. The ultracapacitors in our batteryless jump starter keep the same starting current even at extreme cold weather
Charge off of the vehicle's own low voltage battery, another vehicle's battery, cigarette lighter adapter or mini USB via AC plug.
Charging the Jump Starter:
Recharge Time from car's battery: ~60 seconds
Recharge Time from 12V Socket: ~80 seconds
Recharge Time from USB: ~25 minutes
Got to use this more times than I would like while diagnosing a parasitic battery drain on one of my cars. Charges up quickly and simple to use. I was able to start the car in override mode even when the battery had dropped below 4V. I much prefer keeping these in my car emergency kits than jumper cables (big and heavy, need to find a willing good Samaritan) or a lithium battery pack (potential fire hazard and need to remember to keep charged). BTW, my battery drain was from a bad alternator diode.
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