The all new DJI Spark mobile powerstation (Powerbank) that makes it possible to charge up to 6 batteries, without a wall outlet
Aliexpress:
https://www.aliexpress.com/item/Smatree-92Wh-Portable-Power-Station-Charging-Hub-for-DJI-Spark-Battery-Charge-3-Flight-Batteries-Simultaneously/1000004644255.html?spm=2114.search0204.3.16.y18GcT&ws_ab_test=searchweb0_0,searchweb201602_2_10152_10065_10151_10344_10068_10345_10342_10343_51102_10340_10341_10541_10084_10083_10304_10307_10302_5060020_10539_5130020_5080015_10312_10059_10313_10314_10534_5000020_100031_10604_10603_10103_10605_10594_10596_10142_10107,searchweb201603_14,ppcSwitch_5_ppcChannel&algo_expid=5760a8a4-28f5-4db7-8fbe-6dd3d5142f1c-2&algo_pvid=5760a8a4-28f5-4db7-8fbe-6dd3d5142f1c&rmStoreLevelAB=0
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