BTLi – B Series 12V Lithium Ion Battery with Bluetooth
The batteries of the BTLi series are maintenance-free lithium-ion rechargeable batteries (LiFePO4) with a service life expectancy of >5000 cycles and only 40% of the weight of lead-acid batteries. They use a built-in Battery Management System (BMS) for maximum reliability. Excellent for camping, outdoor and caravan but also e.g. for UPS systems, DC power supplies, security systems and as solar or wind energy storage.
The BTLi 12-120B and BTLi 12-100B also have a built-in Bluetooth interface, which can be used to monitor the charge level and battery status at any time via Android or IOS app.
Downloads
Characteristics
- Extreme Deep Cycle Life: Up to 20 times longer cycle life than lead-acid batteries, minimizing replacement costs and lowering total cost of ownership.
- Excellent for the main application: RVs. Lightweight: About 40% of the weight of a comparable lead-acid battery.
- Built-in Bluetooth interface for monitoring with Android or IOS app.
- Built-in Battery Management System (BMS).
- “Drop-in” replacement for lead-acid batteries.
- Parallel connection of up to 4 batteries possible, but no series connection.
- Higher Performance: Delivers twice the performance of a lead-acid battery, even at high discharge rates, while maintaining energy capacity.
- Wide temperature range: 0°C~60°C.
- Absolute intrinsic safety: By using lithium iron phosphate chemistry.
Specifications
| Model | BTLi 12-100B | BTLi 12-120B | |
|---|---|---|---|
| Battery type | LiFePO4 | LiFePO4 | |
| Nominal voltage | 12.8V | 12.8V | |
| Nominal capacity / Energy | 100.0Ah / 1280Wh | 120.0Ah / 1536Wh | |
| Cycle Life | >2000 cycles @1C 100%DOD | >2000 cycles @1C 100%DOD | |
| Dimensions | Length | 306 ±2mm | 330 ±2mm |
| Width | 168 ±2mm | 173 ±2mm | |
| Hight | 214 ±2mm | 220 ±2mm | |
| Weight | 12.0 kg | 14.0 kg | |
| Connections | M8 Screw connection, contact surface Ø 20 mm | M8 Screw connection, contact surface Ø 20 mm | |
| Cathode material | LiFePO4 | LiFePO4 | |
| Material of the anode | Graphite | Graphite | |
| Material of the electrolyte | LiPF6 | LiPF6 | |
| Enclosure material / enclosure class | Acrylnitril-Butadien-Styrol (ABS) | Acrylnitril-Butadien-Styrol (ABS) | |
| Enclosure class | IP65 | IP65 | |
| Permissible mounting position | Max. 90° to upright normal position (see picture above right) | Max. 90° to upright normal position (see picture above right) | |
| Internal resistance | ≤50mΩ | ≤20mΩ | |
| Self-discharge | <3% (@ 25°C / month) | <3% (@ 25°C / month) | |
| Charging | Charging voltage | 14.6 ± 0.2V | 14.6 ± 0.2V |
| Charging process | 0.2 C to 14.6 V, then 14.6 V, charging current to 0.02C (CC/CV) | 0.2 C to 14.6 V, then 14.6 V, charging current to 0.02C (CC/CV) | |
| Charging current | 50A | 50A | |
| Max. Charging current | 100A | 100A | |
| End-of-charge voltage | 15.0V ± 0.2V | 15.0V ± 0.2V | |
| Discharging | Nominal discharge current | 100A | 100A |
| Max. Discharge current | 150A (< 1s) | 150A (< 1s) | |
| End-of-discharge voltage | 8.8V | 8.8V | |
| Operating temperature ranges (At 60±25% relative humidity) | Discharging temperature | 0°C – 60°C | 0°C – 60°C |
| Charging temperature | 0°C – 45°C | 0°C – 45°C | |
| Storage temperature (fully loaded) | 0°C – 40°C | 0°C – 40°C | |
| Recommended operating temperature | Approx. 20°C | Approx. 20°C |