Checked as a single pack, which covers this inverter’s charge current on its own.
Full specifications: GoodWe ES G2 5048 and Rich Solar 48V 100Ah.
The four checks
Voltage window: Overlapping window 44.8 to 58.4 V
The inverter operates from 40 to 60 volts and the battery cuts off outside 44.8 to 58.4 volts. Both stay inside 44.8 to 58.4 volts, which covers a normal LiFePO4 charge and discharge cycle with margin at both ends.
Charge current: 100 A into a 100 A limit
The inverter tops out at 100 amps and the battery accepts 100 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.
Surge rating: Battery surge figure unpublished
A surge to 10000 watts draws roughly 208 amps at 48 volts. This battery publishes a 100 amp continuous rating and no separate surge figure, and continuous is the wrong number to check a motor start against. Confirm the peak rating and its duration with the manufacturer before running motor loads.
Closed-loop communication: Both speak RS485, no document names the pair
The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
What this means when you install it
Set the inverter charge current to 100 amps or less. That is the inverter maximum, which this bank can absorb. Protect the battery run with a 150 amp Class T fuse and 1 AWG cable.
The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
Figures side by side
| Field | GoodWe ES G2 5048 | Rich Solar 48V 100Ah |
|---|---|---|
| Voltage window | 40 to 60 V | 44.8 to 58.4 V |
| Charge current | 100 A delivered | 100 A accepted |
| Peak draw | 10,000 W surge | surge unpublished |
| Usable capacity | n/a | 5.12 kWh |
| Comms | CAN, RS485 | RS485 |
Manufacturer documents
Manufacturer documents: GoodWe product documentation. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.
Manufacturer documents: Rich Solar product pages. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.
Both units, current pricing
Prices on these move week to week, and the battery is usually the line item worth watching.
GoodWe ES G2 5048 on AmazonRich Solar 48V 100Ah on AmazonComms cableAffiliate links. As an Amazon Associate this site earns from qualifying purchases, at no extra cost to you. Prices and stock change often, and a listing appearing here is not a statement that the pairing above is approved.
Other pairings for the Rich Solar 48V 100Ah
EG4 6000XP with Rich Solar 48V 100Ah
Partial match, some fields unverified.
EG4 18KPV with Rich Solar 48V 100Ah
Partial match, some fields unverified.
EG4 FlexBoss21 with Rich Solar 48V 100Ah
Partial match, some fields unverified.
Sol-Ark 12K with Rich Solar 48V 100Ah
Partial match, some fields unverified.
Questions people actually ask
Will the GoodWe ES G2 5048 work with the Rich Solar 48V 100Ah?
Partial match, some fields unverified. Checked as a single pack, which covers this inverter’s charge current on its own. The four checks below show which field produced that result.
What does this pairing cost to wire up?
Beyond the two units, a 150 amp Class T fuse and holder, 1 AWG battery cable cut to matched lengths, and a busbar if you are running 1 packs. A comms cable if you intend to attempt closed loop, and the pinout is rarely the same between brands.
Where does this pairing go wrong in practice?
The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
What charge current should I set?
The inverter tops out at 100 amps and the battery accepts 100 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.