Bolt Energy USA 51.2 Volt 105AH (33-51105SH)
SKU 33-51105SH
Bolt Energy USALast updated: 27 October 2026
Motor and performance
- Estimated range, 2-passenger cart
- 42 - 50 miles
- Estimated range, 4-passenger cart
- 35 - 41 miles
- Estimated range, 4- or 6-passenger cart
- 27 - 38 miles
“Estimated Range 42 - 50 Miles”
Source: buggiesunlimited.com/golfcart/instructions/universal/GTW/Bolt_Application_Chart.pdf
“Estimated Range 35 - 41 Miles”
Source: buggiesunlimited.com/golfcart/instructions/universal/GTW/Bolt_Application_Chart.pdf
“Estimated Range 27 - 38 Miles”
Source: buggiesunlimited.com/golfcart/instructions/universal/GTW/Bolt_Application_Chart.pdf
Battery and charging
- Permitted charger
- Only Bolt's own charger
- Rated charge cycles
- 2500 cycles at 1C, or 4000 at 0.2C
- Maximum in parallel
- Two, at most
“ONLY use the charger provided by Bolt Energy USA when charging. Check the voltage of Battery and relevant connectors before using.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Unconfirmed
“13 Cycle Life 1C@DOD100% ≥2500 cycles 0.2C@DOD100% ≥4000 cycles”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Maximum 2 packs of batteries connect in parallel. 3) Be sure the voltage difference range of the two batteries is within 0.1V.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Battery care and safety
- Self-discharge rate
- At least 3% a month, as this manual prints it
- When the heater comes on
- Below −4 °F it heats and suspends charging
- Storage temperature
- Between 34 °F and 110 °F, and never warmed artificially
- Charge temperature range
- 14 < T ≤ 131 °F
- Charge level in transit or on delivery
- Half charged in transit
Unconfirmed
“14 Self-discharge Rate ≥3%/Month”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Temperature Condition System Action Design Intent T < -4°F Upon charge initiation, the system activates heating and suspends charging. Cold-temperature protection to prevent lithium plating and permanent cell damage.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Unconfirmed
“Storage Climate: A. High-Temperature Storage: Avoid storing the battery in temperatures above 110°F (43°C), as excessive heat may reduce performance and lifespan. B. Low-Temperature Storage: We recommend not storing the battery in temperatures below 34°F (1°C) for extendedperiods. Never use an external heat source, such as a portable heater, to warm the battery, as this can cause damage or unsafe conditions.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“11 Charge Method Charge 14 < T ≤ 131° F Discharge -4 <T≤ 140° F”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“During transportation the Battery should be at 50% SOC to prevent short circuits if there is an accident reducing the risk of fire. • Battery should be kept at 32°F - 113°F indoors where it's dry, clean, and well-ventilated.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Size and fit
- Overall dimensions
- 12.80 × 12.01 × 10.75 in
- Stated weight
- 101 lb
- Terminal torque
- 132 in-lb, and no more
Unconfirmed
“15 Battery Dimension L = 12.80 IN W = 12.01 IN H = 10.75 IN”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Unconfirmed
“9 Total Weight 101 LBS 10 Impedance at 1000Hz. ≤50mΩ”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Install your positive and negative battery and charger cables (red to positive, black to negative). Using a torque wrench, tighten to 132 in-lbs (11ft-lbs).”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Compatibility
- Where they suggest a bigger pack instead
- On a four- or six-seat cart Bolt suggest a bigger pack than this one
“*Higher capacity battery suggested”
Source: buggiesunlimited.com/golfcart/instructions/universal/GTW/Bolt_Application_Chart.pdf
Conditions and exclusions
- What the warranty does not cover
- usage 3,000 charge cycles or above
“This Limited Warranty does not cover a Product that has reached its normal end of life due to usage 3,000 charge cycles or above which may occur prior to the Warranty Period. A battery can deliver only a fixed amount of Energy over its life which will occur over different periods of time depending on the application. For example, cycling the battery more than 1 time daily, will cause the normal end of life to occur before the end of the Warranty Period.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Other findings
- Auto sleep after inactivity
- Sleeps after 12 hours; hold a button 2 seconds to wake
- Bluetooth range
- 32 feet
- Capacity retained at temperature
- At least 70% of capacity at −4 °F, 90% at freezing
- Case features
- Stainless handles, pressure valve, drip-proof edge, mounting feet
- Charger extension cord limit
- No cord over 15 ft, and nothing lighter than 12 AWG
- Charge storage retention
- At least 97% left after a month in storage
- Heating logic overlap
- Two bands of the table overlap and disagree
- Heating system activation
- Only while charging — including from regenerative braking
- Internal impedance
- 50 mΩ or less, at 50% charge
- Manufacturer denies series connection
- Never in series — it voids the warranty
- Models this document covers
- Shared with 33-51105SB
- Professional kit contents
- The standard kit plus a voltage reducer, solenoid and 2 AWG cables
- Standard kit contents
- Meter, charger, hardwire adapter, extension cord, brackets, Bluetooth
- Storage state of charge
- 50–80% charged, charger off, battery switched off
“Your battery features an auto-sleep function that activates after 12 hours of inactivity. To wake it, simply use one of the two on/off buttons mentioned above.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“The Bolt USA app supports Apple and Android systems, supports English and dual language switching. When Bluetooth® signal is strong, it can be connected within 32 feet. In the APP store install “Bolt USA”. You will be able to read the voltage, SOC, battery history record, update firmware, send data to email or cloud server for fast after sales service.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“5 Discharge Temperature Characteristic at 0.2C -4°F (6h) ≥70% Discharge capacity at specified temperature/capacity at 77°F 32°F (6h) ≥90% 77°F (4h) ≥100% 131°F (4h) ≥97%”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Stainless Steel Handles -Post 5/16 Switch (Power On/Off Button) PV (Pressure Valve) CAN (Communication Area Network) SOC (State of Charge Meter) BT (Bluetooth ® ) Mounting Feet +Post 5/16 Drip Proof Edge”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Do not use an extension cord over 15ft long with a rating below 12AWG. Longer cords with lighter gauge wire will cause heat resistance, increasing the risk of an electrical fire.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Charging Storage Ability in Normal Temperature Rest Capacity ≥ Standard Capacity *97% After standard charging, store at 77°F ± 41°F for 1 month, and then discharge capacity @0.2C current to the end of discharge voltage, then measure the capacity of cell.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Unconfirmed
“T ≥ 23°F The system continues heating while maintaining concurrent charging. Ensures efficient warming and charging within a safe thermal range. T ≥ 32°F The system deactivates heating and switches to charging-only mode. Battery has reached the optimal operating temperature; heating is disabled to conserve energy. T > 14°F Charging proceeds normally without activating the heating system. Battery is already within the standard safe charging temperature range.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“The battery heating system is active only during charging events. Charging is defined as: • External charging via a charger • Regenerative braking (Regen) energy recovery”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Internal Impedance ≤50mΩ At 50% SOC, 1kHz AC internal resistance test instrument.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Never run Batteries in series. If you do, your warranty will be VOID.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“Models: 33-51105SB, 33-51105SH 105 Ah - 51 Volt”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“SOC (State-of-Charge Meter) 36-51V Bolt 30 AMP High Output Reducer 72V Bolt 50AMP High Output Reducer Waterproof Charger w/ Charger Interlock Pigtail Deco Plate for AC Hardwire AC Hardwire Onboard Charge Adapter (2) 40" 2AWG Cables 12 AWG 15 Foot Extension Cord 36-51V-400A Solenoid with Diode Lead Battery Removal Strap PROFESSIONAL KITS INCLUDE:”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
“SOC (State-of-Charge Meter) Waterproof Charger w/ Charger Interlock Pigtail Deco Plate for AC Hardwire AC Hardwire Onboard Charge Adapter 12 AWG 15 Foot Extension Cord • (2) 5/16 Battery Post with Lock Washers • (3) - 3/8, (3) 5/16 Battery Ring Terminal • (10) 10" Tie Straps • Stickers Bracket & Hardware Bluetooth Receiver ® STANDARD KITS INCLUDE:”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Unconfirmed
“If your vehicle will remain idle for a week or more, charge the battery to 50-80%, disconnect the charger, and turn off the battery by holding the on/off button (located on the battery) or the black button on the SOC display for 3 seconds.”
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Sources
- Bolt Energy USA — 105 Ah 51V 33 51105 SB 33 51105 SH Instructions R2Manufacturer document
Bolt Energy USA
Source: boltenergyusa.com/wp-content/uploads/2026/09/105Ah-51V-33-51105SB-33-51105SH-Instructions_R2.pdf
Retrieved September 16, 2026
- Archived document
Source: buggiesunlimited.com/golfcart/instructions/universal/GTW/Bolt_Application_Chart.pdf
Retrieved September 23, 2026