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 2.3. The Growatt ALP 5.0L-E2 US leads on value, safety listing and warranty. The Victron Lithium NG 51.2V 100Ah wins on output. The Growatt ALP 5.0L-E2 US costs $1,478.45 less ($1,547.55 vs $3,026).
Victron Lithium NG 51.2V 100Ah
Only for owners of an all-Victron system who want everything managed through VictronConnect and VRM. Anyone else gets more storage for the money from a server-rack battery.
Current Connected $3,026$3,026
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 value ($302 per rated kWh vs $591 per rated kWh), safety listing (UL 1973, UL 9540A listed vs no UL listing) and warranty (10-year warranty vs 5-year warranty).
- Choose the Victron Lithium NG 51.2V 100Ah for output (100 A continuous (about 5.1 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 | Victron Lithium NG 51.2V 100Ah |
|---|---|---|
| Overall rating | 4.0/5 | 2.3/5 |
| Value 35% | 66 $302 per rated kWh | 2 $591 per rated kWh |
| Output 15% | 43 60 A continuous (about 3.1 kW) | 100 100 A continuous (about 5.1 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) | 0 2,500 cycles at 80% depth, maker rating |
| Features 10% | 70 inverter communication | 40 inverter communication; no self-heating |
Specifications
| Growatt ALP 5.0L-E2 US | Victron Lithium NG 51.2V 100Ah | |
|---|---|---|
| Capacity | ||
| Case | Wall or floor mount | Wall or floor mount |
| Nominal voltage | 51.2 V | 51.2 V |
| Capacity | 100 Ah | 100 Ah |
| Energy | 5.1 kWh | 5.1 kWh |
| Usable energy | 4.6 kWh | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | - | 2,500 at 80% depth |
| Power | ||
| Continuous discharge | 60 A | 100 A |
| Peak discharge | - | 200 A |
| Max charge current | 60 A | 100 A |
| Modules in parallel | Up to 8 | Up to 25 |
| Safety and communication | ||
| UL 1973 | Yes | No |
| UL 9540A | Yes | No |
| UL 9540 | No | No |
| Communication | CAN | M8 BMS link to Lynx Smart BMS NG (VE.Can, Bluetooth on the BMS) |
| Works with inverters | Growatt | Victron |
| Self-heating | - | No |
| App | - | No |
| Build | ||
| Display | - | No |
| Built-in breaker | - | No |
| Enclosure | IP66 | IP65 |
| Dimensions | 28.0 x 7.3 x 11.6 in | 235 x 648 x 162 mm (h x w x d) |
| Weight | 101.4 lb | 81.6 lb |
| Warranty | 10 years | 5 years |
| Released | 2024-06 | 2024-10 |