batteria solare litiogrowatt sph 3600growatt inverter hybrid compatible LiFePO4 Batterylivguard battery 230ah priceeve lf280k200 ah lithium ion batterysph growatt LiFePO4 Batterychina hot sale 12v 100ah lifepo4 battery packlithium ferro phosphatebatterie 3.2v 280ah10kva inverteriron phosphate battery