June 8, 20233 yr https://www.hubblelithium.co.za/_files/ugd/49fdd5_7fba8bb260364e3f9bc6c78b6b7020bf.pdf Can someone shed some light on these new batteries... At R55k for a 10kw they seem to be to good to be true From the spec sheet is is 140Ah but they say 10kw... This does not add up?? Anyone using them? Any good or better off with 2x AM2's? Thanks in advanced
June 8, 20233 yr I believe they are 1.5C batterys. They call it 10kWp units. The blade is a 7kWh battery. This also confused me. Sincerely Jason
June 8, 20233 yr 2 hours ago, Jay-Dee said: https://www.hubblelithium.co.za/_files/ugd/49fdd5_7fba8bb260364e3f9bc6c78b6b7020bf.pdf Can someone shed some light on these new batteries... At R55k for a 10kw they seem to be to good to be true From the spec sheet is is 140Ah but they say 10kw... This does not add up?? Anyone using them? Any good or better off with 2x AM2's? Thanks in advanced They use maximum discharge current of 200 amp x 51.2v = 10.24kw
June 8, 20233 yr Author 1 hour ago, Energy-Jason said: I believe they are 1.5C batterys. They call it 10kWp units. The blade is a 7kWh battery. This also confused me. Sincerely Jason Thank you... That sadly explains the pricing 😪 As they say... If it is too good to be true, it usually is
June 9, 20233 yr 11 hours ago, Jay-Dee said: Thank you... That sadly explains the pricing 😪 As they say... If it is too good to be true, it usually is 10kW on the spec sheet is the discharge rate. Not capacity! Capacity is measured in kWh and not kW, So, they advertise the discharge rate of 10kW. The capacity is 140Ah x 51.2V = 7.168kWh
June 9, 20233 yr Author 7 minutes ago, PowerUser said: 10kW on the spec sheet is the discharge rate. Not capacity! Capacity is measured in kWh and not kW, So, they advertise the discharge rate of 10kW. The capacity is 140Ah x 51.2V = 7.168kWh I realised this after Jason's comment above... Their marketing has always been sneaky / on the boarder of dishonest but this just pushes it to the next level in my mind While discharge rate is important and needs to be taking into account, I can assure you that most people will at first glance of the PDF think it is a 10kWh battery and then only realise afterwards. Dont get me wrong, I am still going to purchase AM2s and I still like their products (and have a number already) but I think they are a little too sneaky on their marketing with this one
June 9, 20233 yr 15 hours ago, Jay-Dee said: Can someone shed some light on these new batteries... At R55k for a 10kw they seem to be to good to be true At 55k for 10kW, it certainly would not be the case. You can easily buy 5kW for R25k these days if not less for great quality batts, some even as low as R23k. Case in point, you can get a 51.2V 100ah for R25k give or take. Two of these would make for R50k for 10.2kWh, so above at R55k is actually expensive compared, 10% more. So yeah, apart for the obvious flaws in their advertising, the price point is okay.
June 9, 20233 yr 3 hours ago, Eurard said: At 55k for 10kW, it certainly would not be the case. You can easily buy 5kW for R25k these days if not less for great quality batts, some even as low as R23k. Case in point, you can get a 51.2V 100ah for R25k give or take. Two of these would make for R50k for 10.2kWh, so above at R55k is actually expensive compared, 10% more. So yeah, apart for the obvious flaws in their advertising, the price point is okay. The 5kW batteries you're referring to, would those be 0.5C batteries? Or 1C batteries? With 50A discharge per battery, or 100A discharge? Just to be sureone's comparing apples with apples, I'm looking at Hubble's own 5kWh AM5 for around R35K each, and AM2 for around R30K each. Both 1C batteries with 200A or around 10kW output. The AM5 and AM2 above both would cost more together than the single 7kWh battery, and with more cabling, installation, etc. I think it's clear, two 5kWh batteries with 10kWh storage if it costs R50K would have higher capacity than this 7kWh battery, even for less money. However, it would have to be able to match the 200A discharge rate for the comparison to be fair. Edited June 9, 20233 yr by GreenFields
June 9, 20233 yr 1 hour ago, GreenFields said: The 5kW batteries you're referring to, would those be 0.5C batteries? Or 1C batteries? With 50A discharge per battery, or 100A discharge? Just to be sureone's comparing apples with apples, I'm looking at Hubble's own 5kWh AM5 for around R35K each, and AM2 for around R30K each. Both 1C batteries with 200A or around 10kW output. The AM5 and AM2 above both would cost more together than the single 7kWh battery, and with more cabling, installation, etc. I think it's clear, two 5kWh batteries with 10kWh storage if it costs R50K would have higher capacity than this 7kWh battery, even for less money. However, it would have to be able to match the 200A discharge rate for the comparison to be fair. 1C - but to your point. 1C on 5kw at 100A paralleled with another 5kw 1C would equal 200A, 10kW. Or a 10kW single batt at 2C, 100A. So true 10kw capacity at the same discharge than this 7kw batt for 10% less money and 3kw more capacity. Right Edited June 9, 20233 yr by Eurard
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