LiTime 100A MPPT Bluetooth
#2 in MPPT solarFull review
The cheapest way to put about 6,000 W of panels on a 48 V bank, with Bluetooth included. Good for budget off-grid builds that can live with a fan and a short track record.
Amazon $309.99$309.99
The LiTime 100A MPPT Bluetooth is the better charge controller overall, rated 4.4 to 3.2. The LiTime 100A MPPT Bluetooth leads on value and efficiency. The Victron SmartSolar MPPT RS 450/100 wins on warranty. The LiTime 100A MPPT Bluetooth costs $908.91 less ($309.99 vs $1,218.90).
Victron SmartSolar MPPT RS 450/100
#36 in MPPT solarFull review
For 48 V off-grid homes with big arrays wired in long high-voltage strings or split across two roof faces. Skip it if your inspector requires UL listing.
Amazon DRSA $1,218.90$1,218.90
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 LiTime 100A MPPT Bluetooth for value ($3.10 per amp of charge current vs $12.19 per amp of charge current) and efficiency (98% peak efficiency (maker rating) vs 96% peak efficiency (maker rating)).
- Choose the Victron SmartSolar MPPT RS 450/100 for warranty (5-year warranty vs 3-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every MPPT solar charge controller; a clear win is highlighted. How we rank explains each one.
| Factor weight | LiTime 100A MPPT Bluetooth | Victron SmartSolar MPPT RS 450/100 |
|---|---|---|
| Overall rating | 4.4/5 | 3.2/5 |
| Value 35% | 92 $3.10 per amp of charge current | 0 $12.19 per amp of charge current |
| Features 25% | 100 Bluetooth app, lithium profile, temperature sensor, 150 V PV input | 100 Bluetooth app, lithium profile, temperature sensor, 450 V PV input |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 25 96% peak efficiency (maker rating) |
| Warranty 20% | 50 3-year warranty | 100 5-year warranty |
Specifications
| LiTime 100A MPPT Bluetooth | Victron SmartSolar MPPT RS 450/100 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 100 A | 100 A |
| Battery voltage | 12/24/36/48 V | 48 V |
| Lithium profile | Yes | Yes |
| Custom profile | - | Yes |
| Temperature sensor | Included | Included |
| Peak efficiency | 98% | 96% |
| Standby draw | 10 mA | 15 mA |
| Inputs | ||
| Max PV voltage (Voc) | 150 V | 450 V |
| Max PV power (12 V) | 1,500 W | - |
| Max PV power (48 V) | 6,000 W | 5,760 W |
| Monitoring and build | ||
| Bluetooth | Built in | Built in |
| Display | Yes | Yes |
| Load output | No | No |
| Parallel units | - | Yes |
| Cooling | fan + heat sink | fan |
| Water resistance | IP21 | IP21 |
| Dimensions | 252 x 201 x 80.3 mm | 440 x 313 x 126 mm |
| Weight | 5.5 lb | 17.4 lb |
| Warranty | 3 years | 5 years |
| Released | 2025-06 | 2020-11 |