36V 11.6Ah (418Wh) High-Power Lithium-Ion Battery
High Capacity • Compact Size • Lightweight • Premium Panasonic Lithium-Ion Cells
The BiXPower BX3691B is a compact, high-capacity
36V lithium-ion battery designed for applications that require
substantial energy storage without the size and weight of a traditional
lead-acid battery.
With 11.6Ah / 418Wh of energy in a battery weighing only
approximately 5.1 lb (2.33 kg), the BX3691B provides an
excellent combination of capacity, portability, and power. It is built with
premium Panasonic lithium-ion cells and includes an integrated
battery protection system for dependable operation.
Key Features
- High Capacity: 11.6Ah / 418Wh
- Nominal Voltage: 36V
- Premium Cells: Panasonic lithium-ion cells
- Lightweight: Only approximately 5.1 lb (2.33 kg)
- Compact: Approximately 7.1" × 4.8" × 3.6"
- High-Power Output: Up to 15A continuous discharge
- Battery Level Indicator: Convenient LED power gauge
- Carry Handle: Easy to pick up and transport
- Built-In Protection: Over-charge, over-discharge, over-current, short-circuit and temperature protection
- Durable Housing: Firm ABS enclosure designed for portable and mobile applications
418Wh Capacity in a Compact 5.1 lb Battery
One of the biggest advantages of the BX3691B is its excellent
energy-to-weight ratio. The battery stores approximately
418 watt-hours of energy while weighing only about
5.1 pounds.
Its compact enclosure measures approximately
180 × 123 × 92 mm (7.1" × 4.8" × 3.6").
The built-in handle makes the battery easy to carry, while its compact footprint
allows it to fit into many installations where space is limited.
Premium Panasonic Lithium-Ion Cells
The BX3691B is built with high-quality Panasonic lithium-ion cells.
Cell quality is especially important in a high-capacity battery pack because it
helps provide consistent capacity, stable performance, and dependable operation
throughout the battery's service life.
Powerful 36V Output
The BX3691B has a nominal output voltage of 36V and is capable
of supplying up to 15A continuous current. This makes it suitable
for many 36V high-power applications, including compatible electric bicycles,
electric trikes, mobility equipment, portable equipment, and custom DC power systems.
| Nominal Voltage |
36V |
| Operating Voltage |
Approximately 30V – 42.5V |
| Continuous Discharge |
15A |
| Burst Discharge |
18A, up to 10 minutes |
Package Contents
The BX3691B package includes the battery, AC charger, and connection/output box.
The AC charger accepts 100–240V AC input, allowing the battery
to be charged from a standard AC power outlet.
Slide-On Connection & Output Box
The included connection/output box provides a convenient way to mount and connect
the battery. The battery slides onto the holder and can be secured using the
included key-lock mechanism.
The mounting system is designed to provide installation flexibility for different
applications while allowing the battery to be removed when needed.
Easy-to-Read Battery Level Indicator
The built-in LED battery indicator provides a quick visual reference of the
remaining battery level, making it easy to check the battery status before use.
Convenient AC Charging
An AC charger is included with the battery. Simply connect the charger to the
battery's charging port and plug the charger into a compatible AC power outlet.
Charge the Battery While Installed
The battery can be recharged while installed on compatible equipment, or it can
be removed and charged separately.
Convenient Power On / Off Control
The integrated power button provides convenient control of the battery output.
The indicator light illuminates when battery power is switched on.
Compact Installation
The compact battery design makes it easier to install in locations where a larger
battery would be difficult to accommodate.
Built-In Battery Protection
The BX3691B incorporates an internal protection circuit designed to help protect
the battery during normal operation.
- Cell balancing
- Over-charge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
- Temperature protection
- Secondary protection
The battery pack is housed in a firm ABS enclosure, and the internal battery
assembly is mechanically supported to help withstand vibration during normal use.
Technical Specifications
| Model |
BX3691B |
| Cell Brand |
Panasonic |
| Chemistry |
Lithium-Ion |
| Nominal Voltage |
36V |
| Minimum Voltage |
30V |
| Maximum Voltage |
42.55V |
| Capacity |
11.6Ah / 418Wh |
| Charge Voltage Limit |
42.5V |
| Maximum Charge Current |
2.5A |
| Continuous Discharge Current |
15A |
| Burst Discharge Current |
18A (up to 10 minutes) |
| Dimensions |
180 × 123 × 92 mm (approx. 7.1" × 4.8" × 3.6") |
| Weight |
2.33 kg (approx. 5.1 lb) |
| Charging Temperature |
0°C to 45°C |
| Discharge Temperature |
-20°C to 60°C |
| Storage Temperature |
-20°C to 40°C |
| Rated Cycle Life |
500 cycles |
Optional Anderson Powerpole Output Connectors
The standard output connection is supplied with two bare wires.
Optional Anderson Powerpole connectors are also available.
Select the Anderson connector option when ordering if you prefer a convenient
removable power connection.
Important Compatibility Notice
This is a high-power lithium-ion battery. Before installation, verify your
equipment's required voltage, maximum current/power, connector type, and polarity.
Incorrect wiring, incompatible voltage, or improper installation may damage the
battery or connected equipment.
High Capacity. Compact Size. Only About 5.1 lb.
With 418Wh of energy,
premium Panasonic lithium-ion cells,
a compact enclosure, convenient carry handle, removable mounting system,
and built-in battery protection, the BiXPower BX3691B
is a versatile 36V power solution for demanding portable and mobile applications.
