Smaller size, bigger power—engineered for modern golf carts

If you're looking for high-capacity lithium power in a compact, efficient format, the NewtiPower 48V 135Ah battery is a game-changer. Designed for golf carts and other heavy-use electric vehicles, it combines a smart 200A BMS with advanced safety features, Bluetooth app monitoring, and true 100% usable capacity.

Whether you're powering a Club Car or running off-grid, this battery delivers more range and runtime without the weight of old-school lead-acid options.

What’s Included

Here’s what’s included with this product:

• 1 × NewtiPower 48V (51.2V) 135Ah LiFePO4 Battery
• Built-in 200A Smart BMS with Bluetooth App connectivity
• Separate box containing charger and digital monitor
• Factory-backed 10-year limited warranty

Key Benefits

What makes this product a great choice:

• Real 135Ah capacity in a compact, lightweight form (only 122 lbs)
• 10,000+ charge cycles at 60% DOD for long-term value
• Smart BMS with temp cutoff, short circuit, and overload protection
• Supports parallel use (up to 6 units) for expanded capacity
• Works great in golf carts, off-grid systems, boats, and RVs

Our Verdict

The NewtiPower 48V 135Ah lithium battery is built for serious performance on and off the course. Its compact footprint is ideal for tighter battery compartments—particularly on modern or retrofitted golf carts. Despite the smaller size, it delivers full 100% usable capacity and over 10,000 life cycles at partial discharge.

We especially appreciate the integrated 200A smart BMS, which provides critical protection against overcurrent, temperature extremes, and short circuits. That means more peace of mind for golf cart owners driving in a wide range of weather conditions or terrain.

The included Bluetooth app makes it easy to monitor your charge status from your phone. Additionally, the charger and touchscreen monitor arrive in a second package—so setup is simple whether you’re doing the install yourself or having a tech help out.

In terms of compatibility, this battery fits nearly all 48V golf carts and works seamlessly with most factory or aftermarket controllers. It also has great crossover potential for use in marine setups, solar banks, or RVs.

If you're moving from lead-acid to lithium or upgrading an older lithium pack, this one strikes an impressive balance of capacity, build quality, and future-proofing—especially at this price point.