Skip to content

Bolt Energy USA 51.2 Volt 168AH (33-51168LH)

SKU 33-51168LH

Bolt Energy USA

The Bolt Energy USA 51.2 Volt 168AH (33-51168LH) is a battery pack with a nominal voltage of 51.2V, a continuous discharge of 250 A, a peak of 520 A±15.6A (30S) and a weight of 143 lbs.

Last updated: 29 September 2026

Battery and charging

Maximum charge current
105Ah

Unconfirmed

“Maximum charging Current 105Ah”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Round-trip efficiency
99%

“Efficiency 99%”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Communications bus
CANBUS

“BMS languages CANBUS”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Case material
Steel

“Case Material Steel”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Cell arrangement
1P16S

“Cell Configuration 1P16S”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Nominal capacity
160Ah

Disputed

“Nominal Capacity 160Ah”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

The same document also states

  • 168Ah

    “Voltage: 51.2V | Capacity: 168Ah | Energy: 8.601.6 KWh”

    Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Nominal voltage
51.2V

“Nominal Voltage 51.2V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Cell chemistry
Prismatic LiFePO4

“Cell Type - Chemistry Prismatic LiFePO4”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Continuous discharge
250A

“Max Continuous Current 250A”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Peak discharge
520A±15.6A (30S)

“Peak Discharge Current 520A±15.6A (30S)”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Recommended charge voltage
40V - 58.5 V

“Recom. Charge Voltage 40V - 58.5 V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Recommended charge current
5-52A

“Recommended Charge Current 5-52A”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Discharge cut-off
40V

“BMS Discharge Voltage Cut-Off 40V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Charge cut-off
58.5V

“BMS Charge Voltage Cut-Off 58.5V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Low-voltage disconnect
48V

“Recom. Low Voltage disconnect 48V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Runtime at a 20 A draw
480 min

“Capacity @ 20A 480 min”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Stated energy
Voltage: 51.2V | Capacity: 168Ah | Energy: 8.601.6 KWh

“Voltage: 51.2V | Capacity: 168Ah | Energy: 8.601.6 KWh”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Battery care and safety

Self-discharge rate
1-3% per month

“Self Discharge 1-3% per month”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Where the BMS cuts out on current
260A±7.8A (50S) 520A±15.6A (30S)

“BMS Discharge Current cut-off 260A±7.8A (50S) 520A±15.6A (30S)”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Where the BMS cuts out on charge current
375A(1S)

“Input Current Cut-off 375A(1S)”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Voltage it reconnects at after a low cut-out
41.6V

“Reconnect Voltage 41.6V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Voltage charging resumes at
<58.5V

“Reconnect Voltage <58.5V”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

When the heater comes on
Temperature T≤ 14F (-10℃) : When charging start, it will turn on heating system. When temperature T>14F(-10℃), charger can charge normally.

“Heating system Temperature T≤ 14F (-10℃) : When charging start, it will turn on heating system. When temperature T>14F(-10℃), charger can charge normally.”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

What the battery management system guards against
Short circuit, temperature, over-current and pack voltage

“SAFETY SPECIFICATIONS ALL VISIBLE ON THE BOLT ENERGY BATTERY BLUETOOTH APP Short Circuit Yes Low / High Temperature Discharging Yes Low / High Temperature Charging Yes Over-Current Discharging Yes Over-Current Charging Yes Pack Under / Over Voltage Yes”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Charge temperature range
14F<T≤131F

“Charge Temperature Range 14F<T≤131F”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Discharge temperature range
-4F <T≤ 140F

“Discharge Temperature Range -4F <T≤ 140F”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Shipping classification
UN 3480 | Class 9

“Shipping Classification UN 3480 | Class 9”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Size and fit

Dimensions on the engineering drawing
Top 25.31 × 12.91 in; base 23.98 × 11.57 in; 9.69 in tall with handle

“12.91" 328mm 25.31" 643mm 9.69" with handle 246mm 8.15" 216mm 23.98" 609mm 5.31" 135mm 11.57" 294mm”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Overall dimensions
23.98’’ x 11.57" x 9.69"

“Dimensions (L x W x H) 23.98’’ x 11.57" x 9.69"”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Stated weight
143 lbs

“Weight 143 lbs”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Terminal type
M8

“Terminal Type M8”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Terminal material
Brass

“Terminal Material Brass”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Compatibility

Carts the maker names
A specification sheet; no cart named

“Voltage: 51.2V | Capacity: 168Ah | Energy: 8.601.6 KWh”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Frame and components

Enclosure rating
IP66

“Enclosure Protection IP66”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Identity

Model code
33-51168LH

“DATA SHEET 51.2V168AH Model:33-51168LH”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Other findings

Bluetooth
Bluetooth receiver

“Bluetooth Bluetooth receiver”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Bluetooth monitoring
Cell voltages, cell temperature, amp draw, time left, cycles, firmware

“BLUETOOTH FEATURES Voltage (overall and individual cell voltages) Remote technical support Remaining Charge/Discharge Time Firmware update Current Cell Temperature Current Amp Draw Lifetime Power Cycles”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Certification claims

Datasheet certification claim
UL1642 | IEC62619 (Cells) UN38.3 |MSDS (Battery)

“Certifications UL1642 | IEC62619 (Cells) UN38.3 |MSDS (Battery)”

Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

Sources

  • Bolt Energy USA — 2026 Data Sheet 33 51168 LH 168 AH cellsManufacturer document

    Bolt Energy USA

    Source: boltenergyusa.com/wp-content/uploads/2026/07/2026-Data_Sheet_33-51168LH168AH-cells.pdf

    Retrieved September 16, 2026