🧠 Why True® Leads the Pack
- Zero Voltage Drop: Relay-based design ensures full power delivery to accessories
- Real-Time Monitoring: Dual LED voltmeter shows both battery voltages at a glance
- Fully Waterproof Cables: Industry-exclusive adhesive-sealed 6ga wires
- Vehicle-Specific Kits: Tailored for UTVs, RAM, Honda Pioneer, and more
- Multiple Mounting Options: 3M Dual Lock, screws, or floating install
- Smart VSR Logic: Precise voltage thresholds protect battery health
- Maintenance-Free Operation: No manual switches or upkeep required
If you’re building a power system for off-roading, overlanding, or marine use, True® offers the most complete package—with rugged reliability and smart automation built in.
| Brand & Model | Voltage Drop | Smart VSR Control | Waterproof Cables | Monitoring Display | Vehicle-Specific Kits | Mounting Options | Amp Rating | Price (USD) |
|---|---|---|---|---|---|---|---|---|
| True® UTV-SBI-CM | ❌ None | ✅ 13.4V / 12.9V | ✅ Fully sealed | ✅ Dual LED voltmeter | ✅ UTV, RAM, Pioneer | ✅ 3M, screws, floating | 140A | ~$105 |
| KeyLine Chargers VSR Kit | ❌ None | ✅ 13.3V / 12.8V | ⚠️ Semi-sealed | ❌ Not included | ❌ Universal only | ⚠️ Basic mount | 140A | ~$85–$95 |
| Blue Sea Add-A-Battery Kit | ❌ None | ✅ Smart ACR | ✅ IP67 rated | ❌ Sold separately | ❌ Universal only | ✅ Panel mount | 120A | ~$140–$160 |
| WirthCo Battery Doctor | ❌ None | ✅ Manual override | ⚠️ IP62 rated | ❌ LED only | ❌ Universal only | ⚠️ Limited options | 150A | ~$90–$110 |
| AOPEC VSR Kit | ⚠️ Minimal | ✅ Basic VSR | ⚠️ Basic waterproof | ❌ Not included | ❌ Universal only | ⚠️ Basic mount | 140A | ~$60–$80 |
