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Ok, I pulled this idea off of Facebook Solo Mod Group. I purchased a 30a power supply and one Step-Up Booster and I'm currently playing with charging one battery at a time. Tonight I got it working so I'll be getting three more 150w Step-Up boosters ordered. Out flying I can just use the Step-Up Booster and my car battery to charge the Solo battery. Basically a $13 car charger that charges almost twice as fast as the Solo Charger.
First, you need is a 12v power source, about 6 amps per battery that you wish to charge. I'll be charging at 5-5.25 amps and I'm going to do 4 batteries at a time so a 30a power supply is all I need. Power supply should be 25% larger than needed so it not always working at 100%, more like 80%. A car battery would also work and cut the cost. A 40a power supply should be large enough for 6 batteries at a time.
Second, 150w Step Up DC-DC CV CC booster. That stand for DC current to DC current, CV = Constant Voltage and CC = Constant (current) Amps. Boost or Step-Up means the output voltage 16.8vdc is greater than the input voltage of 12vdc. A 100 watt step is all that's need, these 150w boosters where recommended. This is the key component to charging the battery. And to make just a simple single 12v car outlet charger only 1 of these is needed. The higher priced digital booster is a lot easier to step up, no volt meter and amp meter need to set it.
Third, 2 slot plug ends to modified to fit the battery plus a 3 prong cord for the power supply.
All from Amazon
30a Power Supply
Amazon.com: NEWSTYLE 12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Radio, Computer Project: Computers & Accessories
40 Amp Power Supply
Amazon.com: uxcell® S-180-12 LED Strip Light Display Switch Power Supply DC 12V 15A 180W: Computers & Accessories
150w Step-Up Booster
Amazon.com: DROK® DC-DC Constant Current Boost Voltage Regulator 10-32V to 10-46V 150W 16A Adjustable Output Step Up Volt Converter 12V to 24V Power Transformer Board for Solar Panel Car Auto Battery Charging: Electronics
Digital Step-Up Booster
Amazon.com: GEREE DC to DC Step up converter 6-40V to 8v-80v 400W 10A Digital-controlled Power Supply: Electronics
2 Slot Cord
Amazon.com: SF Cable, 6ft 18 AWG 2-Slot Non-Polarized Power Cord (IEC320 C7 to NEMA 1-15P): Computers & Accessories
3 prong Cord
Amazon.com: New 6' FT Power Cord for Monitor, Desktop PC, CPU & More: Electronics
Game On
First, you need is a 12v power source, about 6 amps per battery that you wish to charge. I'll be charging at 5-5.25 amps and I'm going to do 4 batteries at a time so a 30a power supply is all I need. Power supply should be 25% larger than needed so it not always working at 100%, more like 80%. A car battery would also work and cut the cost. A 40a power supply should be large enough for 6 batteries at a time.
Second, 150w Step Up DC-DC CV CC booster. That stand for DC current to DC current, CV = Constant Voltage and CC = Constant (current) Amps. Boost or Step-Up means the output voltage 16.8vdc is greater than the input voltage of 12vdc. A 100 watt step is all that's need, these 150w boosters where recommended. This is the key component to charging the battery. And to make just a simple single 12v car outlet charger only 1 of these is needed. The higher priced digital booster is a lot easier to step up, no volt meter and amp meter need to set it.
Third, 2 slot plug ends to modified to fit the battery plus a 3 prong cord for the power supply.
All from Amazon
30a Power Supply
Amazon.com: NEWSTYLE 12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Radio, Computer Project: Computers & Accessories
40 Amp Power Supply
Amazon.com: uxcell® S-180-12 LED Strip Light Display Switch Power Supply DC 12V 15A 180W: Computers & Accessories
150w Step-Up Booster
Amazon.com: DROK® DC-DC Constant Current Boost Voltage Regulator 10-32V to 10-46V 150W 16A Adjustable Output Step Up Volt Converter 12V to 24V Power Transformer Board for Solar Panel Car Auto Battery Charging: Electronics
Digital Step-Up Booster
Amazon.com: GEREE DC to DC Step up converter 6-40V to 8v-80v 400W 10A Digital-controlled Power Supply: Electronics
2 Slot Cord
Amazon.com: SF Cable, 6ft 18 AWG 2-Slot Non-Polarized Power Cord (IEC320 C7 to NEMA 1-15P): Computers & Accessories
3 prong Cord
Amazon.com: New 6' FT Power Cord for Monitor, Desktop PC, CPU & More: Electronics
Game On
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