Recently some dealers started to offer 320AH for crazy cheap prices on Aliexpress including shipment. The offer says "75 day buy protection". Does it really work? Who gives this protection? Aliexpress or the dealer?
www.aliexpress.com
www.aliexpress.com
The specs are also very high 6000 cycles, 320AH. Is this even possible?
What do you think?

144.0US $ 28% OFF|100% New Lifepo4 320Ah 4 16PCS 3.2V Grade A 48V 310AH Battery Pack DIY RV Cell And Solar Energy Storage System EU US Tax Free|Battery Packs| - AliExpress
Smarter Shopping, Better Living! Aliexpress.com

192.64US $ 30% OFF|100% New Lifepo4 320Ah 4 16PCS 3.2V Grade A 48V 310AH Battery Pack DIY RV Cell And Solar Energy Storage System EU US Tax Free|Battery Packs| - AliExpress
Smarter Shopping, Better Living! Aliexpress.com
The specs are also very high 6000 cycles, 320AH. Is this even possible?
What do you think?