STANLEY J309 Jump Starter: 600 Peak/300 Instant Amps – Link
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- 300 Instant Starting Amps/ 600 PEAK Battery Amps
- Offers both 12-volt and USB outlets to charge personal electronics
- High-powered LED light that rotates 270 degrees
- Reverse polarity alarm to alert when there is an improper connection
- Power and charge indicator
- When the unit is not in use, we recommend that the battery is charged at least every 30 days.