Growatt ALP 5.0L-E2 US
An outdoor-rated 5 kWh battery for owners of a Growatt US hybrid inverter. Owners of other inverter brands get more for less from a rack module.
Amazon $1,547.55$1,547.55
The Growatt ALP 5.0L-E2 US is the better 48V solar battery overall, rated 4.0 to 3.3. The Growatt ALP 5.0L-E2 US leads on safety listing, warranty and features. The Renogy 48V 50Ah Core Self-Heating wins on output. The Renogy 48V 50Ah Core Self-Heating costs $845.56 less ($701.99 vs $1,547.55).
Renogy 48V 50Ah Core Self-Heating
A rugged, heated 2.4 kWh battery for small 48 V off-grid and RV systems that don’t need inverter communication.
Renogy $701.99$701.99
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Growatt ALP 5.0L-E2 US for safety listing (UL 1973, UL 9540A listed vs no UL listing), warranty (10-year warranty vs 5-year warranty) and features (inverter communication vs self-heating; no listed inverter communication).
- Choose the Renogy 48V 50Ah Core Self-Heating for output (50 A continuous (about 2.4 kW) vs 60 A continuous (about 3.1 kW)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every wall and floor mount 48V solar battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Growatt ALP 5.0L-E2 US | Renogy 48V 50Ah Core Self-Heating |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 35% | 66 $302 per rated kWh | 68 $292 per rated kWh |
| Output 15% | 43 60 A continuous (about 3.1 kW) | 100 50 A continuous (about 2.4 kW) |
| Warranty 15% | 100 10-year warranty | 29 5-year warranty |
| Safety listing 15% | 100 UL 1973, UL 9540A listed | 0 no UL listing |
| Cycle life 10% | 50 cycle life not published (neutral score used) | 60 6,000 cycles at 80% depth, maker rating |
| Features 10% | 70 inverter communication | 30 self-heating; no listed inverter communication |
Specifications
| Growatt ALP 5.0L-E2 US | Renogy 48V 50Ah Core Self-Heating | |
|---|---|---|
| Capacity | ||
| Case | Wall or floor mount | Wall or floor mount |
| Nominal voltage | 51.2 V | 48 V |
| Capacity | 100 Ah | 50 Ah |
| Energy | 5.1 kWh | 2.4 kWh |
| Usable energy | 4.6 kWh | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | - | 6,000 at 80% depth |
| Power | ||
| Continuous discharge | 60 A | 50 A |
| Max charge current | 60 A | 50 A |
| Modules in parallel | Up to 8 | Up to 8 |
| Safety and communication | ||
| UL 1973 | Yes | No |
| UL 9540A | Yes | No |
| UL 9540 | No | No |
| Communication | CAN | - |
| Works with inverters | Growatt | - |
| Self-heating | - | Yes |
| App | - | No |
| Build | ||
| Display | - | No |
| Enclosure | IP66 | IP65 |
| Dimensions | 28.0 x 7.3 x 11.6 in | 15.1 x 7.6 x 9.8 in |
| Weight | 101.4 lb | 51.4 lb |
| Warranty | 10 years | 5 years |
| Released | 2024-06 | 2025-04 |