Baintech BT150A-POWERTOP 150Ah Lithium Battery with Power Top

Serious capacity with integrated distribution—150Ah LiFePO4 with built-in Anderson, USB-C, and multi-output Power Top system.

Product Overview

The Baintech BT150A-POWERTOP is a 150Ah LiFePO4 lithium battery with integrated "Power Top" multi-port distribution system, delivering 1920Wh of energy capacity in a single comprehensive unit. This isn't just a battery—it's a complete power distribution system combining substantial 150Ah capacity, 200A continuous discharge capability, multiple output options (Anderson plugs in three current ratings, cigarette sockets, Engel socket, USB-C PD, USB-A QC), Bluetooth monitoring, and LED display in one ready-to-deploy package.

The Power Top design eliminates the need for separate distribution panels, circuit breakers, USB adaptors, and Anderson outlet boxes. Every output port is integrated into the battery housing with appropriate current ratings and protection: blue Anderson SOA for high-current DC-DC charging, red 50A Anderson for standard loads, grey 120A Anderson for heavy draws, dual cigarette sockets for 12V accessories, Engel socket for portable fridges, and multiple USB ports for fast-charging devices. This integration creates a clean, professional installation with minimal external wiring.

Built around premium LiFePO4 cells rated for 5000 cycles, the BT150A-POWERTOP delivers exceptional longevity with 98%+ efficiency. The 200A continuous discharge (400A pulse) powers substantial loads including large inverters (2000W+), multiple fridges, lighting systems, water pumps, and communication equipment simultaneously. The matching 200A maximum charge current accepts rapid charging from high-output DC-DC chargers, solar arrays, or shore power systems.

At 17.5kg with compact dimensions (384 × 194 × 333.5mm), this battery provides exceptional energy density while remaining manageable for single-person handling. The Bluetooth-enabled BMS with LED display and smartphone app provides real-time monitoring of voltage, current, state of charge, and temperature. Backed by Baintech's 5-year warranty and featuring IP30 housing protection, the BT150A-POWERTOP represents a complete power solution for serious 4WD touring, caravan systems, off-grid setups, and marine applications.

Key Specifications

• Nominal voltage: 12.8V (12V system compatible)
• Rated capacity: 150Ah
• Energy capacity: 1920Wh
• Cell configuration: 4S/1P (4 cells in series, 1 parallel string)
• Chemistry: LiFePO4 (Lithium Iron Phosphate)
• Cycle life: 5000 cycles
• Efficiency: ≥98%
• Self-discharge: <5% per month
• Internal resistance: ≤30mΩ
• Continuous discharge current: 200A
• Pulse discharge current: 400A (<1 second)
• Maximum charge current: 200A
• Recommended charge current: 75A
• Weight: 17.5kg
• Dimensions: 384mm (L) × 194mm (W) × 333.5mm (H)
• Terminal type: M8 threaded posts
• Housing material: ABS plastic
• Housing protection: IP30
• BMS: Integrated with Bluetooth connectivity
• Communication: Bluetooth with smartphone app
• Display: LED indicators + display screen
• Warranty: 5 years manufacturer warranty

Features & Benefits

Complete Integrated Power Distribution System: The Power Top eliminates separate distribution panels, Anderson outlet boxes, circuit breakers, and USB adaptors. Everything is built into the battery housing with integrated protection for each output: SOA Anderson (blue) for DC-DC chargers, 50A Anderson (red) for standard 12V loads, 120A Anderson (grey) for high-current equipment, 2× cigarette sockets for accessories, Engel socket for portable fridges, 2× USB-C ports for fast device charging, 2× USB-A QC3.0 ports for smartphones. This integration saves installation time, reduces external wiring complexity, and creates a professional finished appearance.

150Ah / 1920Wh Substantial Capacity: The 150Ah capacity provides nearly double the energy of 80Ah batteries while maintaining reasonable weight and size. This capacity runs a 45L fridge for 36–48 hours, powers LED lighting and water pumps for extended periods, and supports inverter loads up to 2000W continuous. Ideal for extended weekend trips, week-long remote camps, or daily use in off-grid cabins and caravans where substantial power capacity is essential.

200A Continuous / 400A Pulse Discharge: The exceptional 200A continuous discharge capability powers large inverters (2000W–2400W continuous), multiple high-draw appliances simultaneously, or brief surge loads up to 400A for motor starting. This high discharge rate maintains stable voltage even under heavy loads, ensuring consistent performance from fridges, inverters, and power tools. Far exceeds the capabilities of smaller batteries limited to 50–100A discharge.

200A Maximum Charge Current: The 200A charge acceptance enables incredibly fast recharging—a fully depleted 150Ah battery can be recharged in under 1 hour from a 200A source (accounting for charging profile). More realistically, at the recommended 75A charge rate, recharge time is approximately 2 hours. This fast charge capability maximizes solar harvesting during peak sun hours and minimizes generator runtime when charging from shore power.

5000 Cycle Longevity: Rated for 5000 cycles, this battery will outlast conventional lead-acid batteries by 10× or more. For users cycling daily (365 cycles/year), that's 13+ years of service life. For weekend warriors (50 cycles/year), that's 100 years of theoretical service. The long cycle life offsets the premium lithium investment through decades of reliable operation without replacement.

98%+ Efficiency with Low Self-Discharge: The 98%+ round-trip efficiency means minimal energy loss during charge/discharge cycles—nearly all solar energy captured is stored and available for use. The <5% monthly self-discharge rate means the battery retains charge during storage between trips, unlike lead-acid batteries that require maintenance charging during storage to prevent sulfation damage.

Multiple Anderson Current Ratings: Three separate Anderson plugs with different current ratings provide optimized connections for various equipment. The SOA Anderson (blue) handles high-current DC-DC charging input, the 50A Anderson (red) suits standard fridges and accessories, and the 120A Anderson (grey) powers high-draw equipment like inverters and air compressors. This prevents overloading lower-rated connections and ensures each circuit has appropriate protection.

Integrated Display with Bluetooth Monitoring: The built-in LED display provides at-a-glance status information, while the Bluetooth smartphone app delivers detailed monitoring of voltage, current draw, state of charge, temperature, and individual cell voltages. Set low-voltage alerts, track power consumption patterns, and diagnose issues remotely without accessing the battery compartment. The display and app combination provides both convenience and comprehensive data.

Wide Temperature Operation: Functions from -20°C to +60°C discharge temperature, handling winter alpine camping through outback summer touring. The charging temperature range (0°C to +55°C) ensures safe charging across diverse conditions. BMS high-temperature cutoff at 65°C prevents thermal damage in extreme heat. Critical for Australian touring where temperatures can exceed 50°C in enclosed canopies or vehicles.

IP30 Housing Protection: The IP30-rated housing provides protection against solid objects larger than 2.5mm (tools, wires) while the ABS construction offers impact resistance and durability. While not waterproof (IP67/68), the IP30 rating is appropriate for typical installation locations inside vehicles, caravans, and battery compartments where direct water exposure doesn't occur.

M8 Terminal Posts for Reliable Connections: Heavy-duty M8 threaded terminal posts accommodate large cable lugs and provide secure, vibration-resistant connections. Critical for off-road applications where vibration can loosen compression terminals or lighter-duty connections. M8 posts handle high-current cables (50mm²+) required for 200A discharge capability.

5-Year Manufacturer Warranty: Baintech backs this premium battery with comprehensive 5-year warranty coverage, demonstrating confidence in LiFePO4 longevity, BMS protection, and construction quality. This extended warranty provides peace of mind for the significant investment and reflects the battery's design for long-term reliability.

Technical Specs

Electrical Specifications:

• Nominal voltage: 12.8V
• System designation: 12V
• Rated capacity: 150Ah
• Energy: 1920Wh (150Ah × 12.8V)
• Cell configuration: 4S/1P
• Cell type: LiFePO4 prismatic cells
• Chemistry: Lithium Iron Phosphate
• Internal resistance: ≤30mΩ
• Efficiency: ≥98%
• Self-discharge: <5% per month
• Cycle life: 5000 cycles

Discharge Specifications:

• Continuous discharge current: 200A
• Pulse discharge current: 400A (<1 second)
• Recommended voltage disconnect: 10V
• BMS discharge cutoff voltage: 10V
• Recommended reconnect voltage: 10.8V
• Discharge temperature: -20°C to +60°C

Charging Specifications:

• Charge voltage: 14.2V–14.6V
• Recommended float voltage: 13.3V–13.4V @ 100% SOC
• Recommended charge current: 75A
• Maximum charge current: 200A
• BMS charge cutoff voltage: 14.8V
• Charge method: CC-CV (Constant Current-Constant Voltage)
• Charge temperature: 0°C to +55°C

Compatible Power Sources:

• Alternator: 11.5V–16V DC, max 40A input
• Solar: 11.5V–50V DC, max 40A input

Output Connections (Power Top):

• 1× Anderson SOA (blue) - High-current DC-DC input/output
• 1× Anderson 50A (red) - Standard 12V loads
• 1× Anderson 120A (grey) - High-current loads
• 2× Cigarette socket - 12V accessories
• 1× Engel socket - Portable fridges
• 2× USB-C ports (PD3.0) - Fast charging capable
• 2× USB-A ports (QC3.0) - Quick charge smartphones

Physical Specifications:

• Dimensions: 384mm (L) × 194mm (W) × 333.5mm (H)
• Weight: 17.5kg
• Terminal type: M8 threaded posts (2 terminals)
• Housing material: ABS plastic
• Housing protection: IP30
• Operating temperature: -20°C to +60°C
• Charge temperature: 0°C to +55°C
• Storage temperature: -20°C to +60°C
• BMS high temperature cutoff: 65°C

Protection Features:

• Over-voltage protection
• Under-voltage protection (10V cutoff)
• Over-current protection (200A continuous limit)
• Over-temperature protection (65°C cutoff)
• Short-circuit protection (all outputs)
• Cell balancing

Communication & Display:

• Communication protocol: Bluetooth
• Smartphone app: Real-time monitoring
• Built-in display: LED indicators + display screen
• Alarm information: Voltage, current, SOC alerts

Warranty:

• 5 years manufacturer warranty

Compatible With / Goes Well With

• 12V portable fridges and freezers (35–80L capacity)
• DC-DC battery chargers (40A–200A for vehicle alternator charging)
• Solar panels (200W–800W) with MPPT controllers
• Pure sine wave inverters (1000W–2000W continuous)
• Anderson plug-based 12V distribution systems
• LED lighting systems and camp lighting
• 12V water pumps and pressure systems
• Caravan and camper trailer house battery systems
• 4WD dual battery setups (as auxiliary battery)
• Off-grid cabin and tiny house power systems
• USB-C compatible laptops and tablets (PD3.0 fast charge)
• QC3.0 compatible smartphones and devices
• 12V tyre inflators and air compressors
• UHF radios and communication equipment
• Battery monitoring systems with Bluetooth
• Heavy-gauge DC cabling (50mm²–70mm² for high-current connections)

Note: Ensure DC-DC chargers and solar controllers are compatible with 14.2V–14.6V LiFePO4 charging voltage.

Features & Benefits

Complete Integrated Power Distribution System: The Power Top eliminates separate distribution panels, Anderson outlet boxes, circuit breakers, and USB adaptors. Everything is built into the battery housing with integrated protection for each output: SOA Anderson (blue) for DC-DC chargers, 50A Anderson (red) for standard 12V loads, 120A Anderson (grey) for high-current equipment, 2× cigarette sockets for accessories, Engel socket for portable fridges, 2× USB-C ports for fast device charging, 2× USB-A QC3.0 ports for smartphones. This integration saves installation time, reduces external wiring complexity, and creates a professional finished appearance.

150Ah / 1920Wh Substantial Capacity: The 150Ah capacity provides nearly double the energy of 80Ah batteries while maintaining reasonable weight and size. This capacity runs a 45L fridge for 36–48 hours, powers LED lighting and water pumps for extended periods, and supports inverter loads up to 2000W continuous. Ideal for extended weekend trips, week-long remote camps, or daily use in off-grid cabins and caravans where substantial power capacity is essential.

200A Continuous / 400A Pulse Discharge: The exceptional 200A continuous discharge capability powers large inverters (2000W–2400W continuous), multiple high-draw appliances simultaneously, or brief surge loads up to 400A for motor starting. This high discharge rate maintains stable voltage even under heavy loads, ensuring consistent performance from fridges, inverters, and power tools. Far exceeds the capabilities of smaller batteries limited to 50–100A discharge.

200A Maximum Charge Current: The 200A charge acceptance enables incredibly fast recharging—a fully depleted 150Ah battery can be recharged in under 1 hour from a 200A source (accounting for charging profile). More realistically, at the recommended 75A charge rate, recharge time is approximately 2 hours. This fast charge capability maximizes solar harvesting during peak sun hours and minimizes generator runtime when charging from shore power.

5000 Cycle Longevity: Rated for 5000 cycles, this battery will outlast conventional lead-acid batteries by 10× or more. For users cycling daily (365 cycles/year), that's 13+ years of service life. For weekend warriors (50 cycles/year), that's 100 years of theoretical service. The long cycle life offsets the premium lithium investment through decades of reliable operation without replacement.

98%+ Efficiency with Low Self-Discharge: The 98%+ round-trip efficiency means minimal energy loss during charge/discharge cycles—nearly all solar energy captured is stored and available for use. The <5% monthly self-discharge rate means the battery retains charge during storage between trips, unlike lead-acid batteries that require maintenance charging during storage to prevent sulfation damage.

Multiple Anderson Current Ratings: Three separate Anderson plugs with different current ratings provide optimized connections for various equipment. The SOA Anderson (blue) handles high-current DC-DC charging input, the 50A Anderson (red) suits standard fridges and accessories, and the 120A Anderson (grey) powers high-draw equipment like inverters and air compressors. This prevents overloading lower-rated connections and ensures each circuit has appropriate protection.

Integrated Display with Bluetooth Monitoring: The built-in LED display provides at-a-glance status information, while the Bluetooth smartphone app delivers detailed monitoring of voltage, current draw, state of charge, temperature, and individual cell voltages. Set low-voltage alerts, track power consumption patterns, and diagnose issues remotely without accessing the battery compartment. The display and app combination provides both convenience and comprehensive data.

Wide Temperature Operation: Functions from -20°C to +60°C discharge temperature, handling winter alpine camping through outback summer touring. The charging temperature range (0°C to +55°C) ensures safe charging across diverse conditions. BMS high-temperature cutoff at 65°C prevents thermal damage in extreme heat. Critical for Australian touring where temperatures can exceed 50°C in enclosed canopies or vehicles.

IP30 Housing Protection: The IP30-rated housing provides protection against solid objects larger than 2.5mm (tools, wires) while the ABS construction offers impact resistance and durability. While not waterproof (IP67/68), the IP30 rating is appropriate for typical installation locations inside vehicles, caravans, and battery compartments where direct water exposure doesn't occur.

M8 Terminal Posts for Reliable Connections: Heavy-duty M8 threaded terminal posts accommodate large cable lugs and provide secure, vibration-resistant connections. Critical for off-road applications where vibration can loosen compression terminals or lighter-duty connections. M8 posts handle high-current cables (50mm²+) required for 200A discharge capability.

5-Year Manufacturer Warranty: Baintech backs this premium battery with comprehensive 5-year warranty coverage, demonstrating confidence in LiFePO4 longevity, BMS protection, and construction quality. This extended warranty provides peace of mind for the significant investment and reflects the battery's design for long-term reliability.