Re: [RE-wrenches] Missing MC4 Connectors?

Hi Jeff, Try Todd at Solar Electric Distributors. 877 778 0009 or 303 778 0300 Daryl > > We normally keep a good supply of pre-made module MC4 M/F cables in stock, > but several recent large projects really lowered our inventory. No > problem, I will just call our suppliers and order more.

Re: [RE-wrenches] PV excellent battery charger

MPPT doesn't really do that much for the battery, it just makes the PV modules more effective. The real magic is: A) the 3 stage charging (compared to traditional single stage AC chargers) B) Temperature compensation C) PWM that helps pulse off sulfation D) Slower charge rates let batteries charg

Re: [RE-wrenches] Missing MC4 Connectors?

We normally keep a good supply of pre-made module MC4 M/F cables in stock, but several recent large projects really lowered our inventory. No problem, I will just call our suppliers and order more. Wrong! Am I the last installer on earth to find out there are no more MC4 connectors? After

[RE-wrenches] PV excellent battery charger

Can anyone tell me why PV is considered an excellent battery charger? I think it is, only after the addition of a MPPT charge control. Otherwise, the battery drags the PV voltage below Vmp. One of the NABCEP objectives for the entry level class is to explain why PV modules make excellent battery

[RE-wrenches] pictures of off grid system failures?

Wrenches, Do you have any pictures of catastrophic failures of off-grid systems or components?Especially good would be damage that could have been prevented with a fuse or properly selected component. exploded batteries or burnt electronics would be perfect. I'm headed to Tanzania and Kenya