Bolt Energy 51V 160Ah Lithium Battery – Professional Kit for MadJax X2, X4, X6 & Ascent
Description
A 51.2V 160Ah LiFePO4 lithium battery from Bolt Energy USA with the complete Professional Kit: charger, Bluetooth state-of-charge meter, cables, solenoid and mounting hardware. Listed for MadJax X2, X4, X6 and Ascent electric carts.
Key features
- 8,192Wh of energy from prismatic LiFePO4 cells (1P16S)
- Bluetooth receiver and Smart SOC (state-of-charge) meter
- Powder-coated steel case designed to the IP66 standard
- 250A continuous discharge, 520A peak (30 s)
- CAN port for battery testing
Specifications
| Nominal voltage | 51.2V |
| Working voltage | 43.2 – 58.4V |
| Nominal capacity | 160Ah |
| Energy | 8,192Wh |
| Capacity at 25A | 384 min |
| Max continuous discharge | 250A |
| Peak discharge | 520A ± 15.6A (30 s) |
| Recommended charge current | 5 – 52A |
| Charging temperature | 34°F to 140°F (0–60°C) |
| Discharge temperature | -4 to 149°F (-20 to 65°C) |
| Dimensions (L × W × H) | 29.57" × 10.17" × 9.13" |
| Weight | 153 lbs (69.4 kg) |
| Terminal type | M8 × 1.5 × 25 mm |
| Chemistry | Prismatic LiFePO4 |
Fits
MadJax X2, X4 and X6 electric (2024–current; X2 listed 2024–2025) and Ascent.
What’s included
- 51.2V 160Ah battery
- Bluetooth receiver and Smart SOC meter
- Waterproof high-speed charger
- Two 40" 2AWG installation cables
- 400A solenoid
- 30-amp reducer
- AC hardwire port and DECO cover plates
- Mounting brackets, nuts and bolts
- Six 3/8" ring terminal connectors and ten 10" tie straps
- 15 ft 12 AWG lighted extension cord
- Lead battery removal strap
- Owner’s manual and Bolt Energy stickers
Note: Lithium batteries ship ground only.
FAQs
Help centerWill the Bolt Energy 51V 160Ah Lithium Battery – Professional Kit for MadJax X2 fit my cart?
Check the title and description for the models and years it fits. Call or text (904) 648-9460 with your model and year and we’ll help you confirm.
How does it ship?
Lithium batteries ship ground only, packed to lithium shipping rules. Shipping is calculated at checkout.
Can you install it?
Yes. Tick “Request a professional install” above, or book a repair or install.


