Most reacted threads

Hello, Long story short, I have a Cerrnss 48V 100AH damaged before or during shipment. The left side rack mount is bent a bit and the cells were smashed against a metal separator and into the BMS board. The left is the damaged (I moved the cells off the metal plate) and the right is a capture...

Hello, Let's say you had a mixture of these batteries, all connected to one busbar. Battery Charge Float Max voltage/charge RX-LFP48100 56 54.6 57.6 SG48100P 54.5 ??? 57.6 48V100E-2UL 56.0,56.4,56.8 54 58.4 EP48100 57 55.2-57 57.2 LFP5000 ??? ...

Hello, Planning where and how to mount the inverter. User manual page 11 "Mounting the Inverter", first bullet, "Do not mount the inverter on flammable materials." I have seen many pictures of folks mounting the inverter on walls made of wood. Should I put some material under the mounting...

Hello, Anyone used teragysolar.com company/site?

Hello, Any recommendations for a 2000-5000W portable diesel generator?

Hello From the drawing below, inverters in parallel. Do the all the AC wires, (black red and grey) need to be the same length to the buss bars?

Hello, 48 VDC LifePo4 batteries. If you had two or more batteries wired to a bus bar and all the batteries were within 0.11 volt of each other, to place the batteries in service, would you turn each battery on or charge each battery until the voltage difference was less than 0.05 (or some...

Hello, Seems to be two mppsolar sites. One Taiwan, the other Hong Kong. Interesting. Mark

Hello, This site/page: https://watts247.com/product/dc-breaker-4p-125a-battery-disconnect/ states the pols (up to 4) can be wired in parallel to get a higher current breaker. Not being an EE, but around here and there. I always thought it was not possible to parallel breakers or fuses to get a...

Hello, A rack mount 16 cell, 100 Amp hour battery, that is sold as a (website, specification sheets claim it) LiFePO4/Lithium Ferrous Phosphate battery but, the user manual from the manufacture does not contain the words “LiFePO4” or “Lithium Ferrous Phosphate”, what is the best way to verify...

Hello, I am looking to put some 8 AWG wire into compression terminals like these: And I seeking suggestion for crimp terminals or other... I found these: (https://www.mouser.com/ProductDetail/TE-Connectivity/180599?qs=kJQ8vRrhYyd8p%2FJp6dj8cw%3D%3D&mgh=1) but not sure they would be the...

Infrared thermometer? Thermal imaging camera? Finger? And if a device/tool, you recommend _______?

Hello, Anyone using EG4 batteries with an MPP Solar LVX6048WP or other EG4 and MPP Solar combinations?

Hello, I am seeking all documentation on the Pylon protocol used by some battery manufactures for BMS data access. I have the following documents: PYLON low voltage Protocol RS485 2016/12/15 V2.8 2018/08/21 V3.3 2019/08/07 V3.5 PACE RS232 Communication protocol (PACE-RS232-TY16S) 2018/07/05...

Hello, On page 6 of the user manual for "Line Modes Specifications" it has this: Does the inverter have an internal, user accessible, circuit breaker?

Hello, Seeking a busbar like this one: https://signaturesolar.com/12-stud-busbar/ Ideas?

Hello, I have some 2/0 welding cable and want to use it to connect some batteries to a bus bar. The battery terminals are 1/4" (M6) and the lug blade, for the short cable(s) included with the battery, is 1/2" wide. The battery terminal block could handle a bit wider lug. All the 2/0 crimp lugs...