A direct drop-in replacement for lead-acid — significantly lighter, 3× the cycle life, and lower self-discharge. Built on LFP cells with integrated BMS and fire protection, designed for zero-maintenance operation across a 20-year service life.
Safe & Worry-Free
LFP cells with fire protection module
High safety - no fire, no explosion
Shock-resistant Design
Automotive-grade vibration-resistant
Fearless of bumps, stable as a rock
Low self-discharge
Significantly reduced loss during standby
Monthly self-consumption ≤2%
Worry-free after-sales
Design life: 20 years
5-year standard warranty
Smart management
Remote background monitoring
Data management
Eco-friendly
Practicing circular economy
Enabling clean operations
Drop-in for lead-acid: lighter, 3× cycle life, low self-discharge. LFP + BMS + fire protection; 20-year zero maintenance
| Model | Voltage (V) | Capacity(Ah) | Constant current (A) | Dimension (W*L*H) | Weight(Kg) | IP Level | Bluetooth | RS48Display5 |
| Dubhe SI76-150 | 76.8 | 150 | 200 | 680*420*230 | ~98 | IP65 | Yes | Yes |
| Dubhe SI76-200 | 76.8 | 200 | 200 | 475*442*220 | ~67.3*2 | IP65 | Yes | Yes |
| Dubhe SI76-200L | 76.8 | 200 | 200 | 1100*290*280 | ~125*2 | IP65 | Yes | Yes |
| Dubhe SI76-300 | 76.8 | 300 | 300 | 860*260*280 | ~93*2 | IP65 | Yes | Yes |
| Dubhe SI96-400 | 96 | 400 | 400 | 1100*335*280 | ~150*2 | IP65 | DTU | Yes |
| Dubhe SI96-400L | 96 | 400 | 400 | 1450*320*280 | ~155*2 | IP65 | DTU | Yes |
| Dubhe SI96-560 | 96 | 560 | 400 | 1360*280*260 | ~160*3 | IP65 | DTU | Yes |
| Dubhe SI144-200 | 144 | 200 | 200 | 1200*290*280 | ~118*2 | IP65 | DTU | Yes |
| Dubhe SI320-105 | 320 | 105 | 105 | 1200*290*280 | Batt Pack 138 | IP65 | DTU | Yes |
| 500*374*209 | High Box 26 | IP65 | DTU | Yes |
A direct drop-in replacement for lead-acid — significantly lighter, 3× the cycle life, and lower self-discharge. Built on LFP cells with integrated BMS and fire protection, designed for zero-maintenance operation across a 20-year service life.
SI Series is suitable for medium and large sightseeing vehicles, patrol vehicles, low-speed logistics vehicles and other medium and large low-speed vehicles.
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