Capacity Expand In Seconds, Never Run Out Off Power
VTOMAN Jump 600X Extension Battery has a huge capacity of 640wh and can expand the Jump 600X battery capacity in seconds with the included connecting cable. Just put it in your home or trunk, it will serve as your home and camping trip backup power.
Durable & Safe to Use
Upgrade your power capacity with VTOMAN's Jump 600X Extra Battery - featuring a premium LiFePO4 battery with 3100 life cycles and exceptional stability, and a unique LIFEBMS system for 98% security problem avoidance. Connect to Jump 600X for up to 640Wh of additional energy storage, perfect for camping or emergencies.
How To Recharge The Jump 600X Extra Battery
Step 1: Connect the Jump640 Extra Battery to the Jump 600X/ 600 Portable Power Station via cable.
Step 2: Connect the Jump 600X Portable Power Station to AC Adapter/Car Charger/Solar Panels to recharge the backup battery.
(1)When recharging, it's set to recharge the Jump 600X/ 600 power station fully first before recharging the Jump 600X/ 600 backup battery;
(2)When discharging, it's set to discharge the Jump 600X/ 600 backup battery first before discharging the Jump 600X/ 600 portable power stations.
How To Use The Jump 600X Extra Battery
Step 1: Connect the Jump 600X Extra Battery to the Jump 600X/ 600 portable power station with a cable(Included in the box).
Step 2: Plug your devices into Jump 600X/ 600 portable power station to power them.
(1)There is a backup-battery port on Jump 600X/ 600 portable power station for connecting the Jump 600X Extra Battery;
(2)While working, please do not disconnect the cable to avoid output interruption;
(3)Please avoid touching the cable while working, because the cable may be hot.