VTOMAN LIFEBMS™ 640Wh Extra Battery for Jump 600X/600 (US&CANADA)

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. Warm Tips: (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…