Best Home Chargers for the Rivian R1S
Updated March 2026
135kWh battery · 11.5kW onboard charger · BEV
Our #1 Pick: Lectron V-Box 48A
At $379, the Lectron V-Box 48A delivers 11.52kW and charges your Rivian R1S from 10-100% in about 10.6 hours. Best value for a 48A charger.
Check Price at LectronCharger Comparison for Rivian R1S
| Charger | Price | Amps | Power | Cord | Charge Time* | Rating |
|---|---|---|---|---|---|---|
| Our PickLectron V-Box 48A | $379 | 48A | 11.52kW | 25ft | ~10.6h | 4.5/5.0 |
| Emporia Smart EVSE 48A | $459 | 48A | 11.52kW | 24ft | ~10.6h | 4.4/5.0 |
| ChargePoint Home Flex | $699 | 50A | 12kW | 23ft | ~10.6h | 4.6/5.0 |
| Grizzl-E Classic 40A | $399 | 40A | 9.6kW | 24ft | ~12.7h | 4.5/5.0 |
* Estimated from 10% to 100% for the Rivian R1S's 135kWh battery. Actual times may vary.
Detailed Reviews
#1. Lectron V-Box 48A
Pros
- Best value for a 48A charger
- Long 25-foot cable
- WiFi with energy tracking app
- Adjustable amperage for different circuits
Cons
- App can be buggy
- No hardwire option without adapter
- Newer brand with less track record
#2. Emporia Smart EVSE 48A
Pros
- Great integration with Emporia energy ecosystem
- Solid build quality
- Good app with energy insights
- Mid-range pricing
Cons
- Best features require Emporia Vue monitor
- No hardwire option
- Less known brand
#3. ChargePoint Home Flex
Pros
- Top-tier app experience
- Works with ChargePoint network
- Excellent reliability track record
- Alexa voice control
Cons
- Most expensive option
- 23-foot cord (shorter than some)
- Premium price for brand name
#4. Grizzl-E Classic 40A
Pros
- Tank-like durability
- Works in extreme weather (-30C to 50C)
- No WiFi means no connectivity issues
- Simple plug-and-play setup
Cons
- No smart features or app
- 40A max (slower than 48A options)
- No energy monitoring
Charging Times for Your Rivian R1S
Estimated time to charge from 10% to 100% at different amperage levels. Your Rivian R1S's onboard charger limits intake to 11.5kW.
| Amps | Charger kW | Effective kW | Charge Time |
|---|---|---|---|
| 16A | 3.8kW | 3.8kW | ~31.6h |
| 20A | 4.8kW | 4.8kW | ~25.3h |
| 24A | 5.8kW | 5.8kW | ~21.1h |
| 32A | 7.7kW | 7.7kW | ~15.8h |
| 40A | 9.6kW | 9.6kW | ~12.7h |
| 48A | 11.5kW | 11.5kW | ~10.6h |
Understanding Rivian R1S Charging
The Rivian R1S has a 135kWh battery with a 11.5kW onboard charger. This means the car can accept up to 11.5kW from a Level 2 (240V) home charger.
With a 11.5kW onboard charger, the Rivian R1S can take advantage of higher-amperage chargers. A 48A charger delivers 11.52kW, which is close to the car's maximum acceptance rate.
Frequently Asked Questions
What is the best EV charger for the Rivian R1S?
How long does it take to charge a Rivian R1S at home?
What amp charger do I need for the Rivian R1S?
Can I use a Level 1 charger for my Rivian R1S?
Do I need to hardwire my EV charger for the Rivian R1S?
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