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Estimated to be delivered within 2 - 7 business days
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Long playtime, zero downtime. With KeepKnow 48V LiFePO4, you get more laps, faster recharges, and ultimate reliability.

Strong enough to power 4 to 6 full 18-hole rounds, delivering steady energy and smooth performance from the first swing to the final hole, providing lasting endurance and confidence on every ride.

40–50% lighter than lead-acid batteries, easy to install with a compact 16.7×12.6×7.9 in size and only 85.3 lbs weight, making it an ideal drop-in replacement for most golf carts.

Advanced 200A BMS safeguards the battery from electrical risks and maintains consistent performance with low self-discharge and long lifespan.

Smart monitoring via Bluetooth app and LCD screen allows real-time tracking of battery status, ensuring convenience and peace of mind.

74% lighter than lead-acid batteries, saving 65% space and enabling faster, longer rides with simplified installation. One 48V 72Ah LiFePO₄ battery replaces six 8V lead-acid units for efficient performance.

Compatible with leading golf cart brands including Club Car, EZGO, and Yamaha, this battery ensures a smooth upgrade with reliable, worry-free performance.

All-in-one kit designed for easy, secure installation. Each component ensures quick setup and reliable, long-lasting performance.

Delivers 400A continuous and 600A peak power, perfect for steep climbs, rapid acceleration, and heavy loads, extending range up to 35 miles and boosting speed beyond 32 mph.

Delivers 200A continuous and 400A peak discharge for 35 seconds, handling uphill drives and muddy terrain with ease, and supports rides of up to 35 kilometers per charge.

Protects the battery from extreme temperatures by stopping charging below 32°F (0°C) and discharging below -4°F (-20°C) and allowing charging to resume above 41°F (5°C)

Equipped with smart LED control (RS485/SWITCH) for simple operation and dependable power in compact areas, featuring IP65 waterproofing and one-touch pressure release for safety and durability.

| Nominal Valtage | 51.2V | 
| Nominal Capacity | 72Ah | 
| Energy | 3,686Wh | 
| BMS | 200A | 
| Max Discharge 30 Sec | 400A | 
| Max Discharge 10 Sec | 600A | 
| Weight | 85.3 lbs (38.7 kg) | 
| Dimension LxWxH |  16.73 * 12.6 * 7.87 in  (425 * 320 * 200 mm)  | 
| Charging Temp Range | 32F to 140F | 
| Discharge Temp Range | -4F to 140F | 
| Bluetooth | ✓ | 
| Low Temp Cutoff | ✓ | 
                
                     
                    38.4V 105Ah 
                
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                    51.2V 72Ah 
                
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                    51.2V 105Ah Mini 
                
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                    51.2V 105Ah 
                
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                    51.2V 150Ah 
                
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                    73.6V 105Ah 
                
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        |
|---|---|---|---|---|---|---|
| Energy | 4,032Wh | 3,686Wh | 5,376Wh | 5,376Wh | 7,680Wh | 7,728Wh | 
| BMS | 200A | 200A | 200A | 200A | 200A | 200A | 
| Max Discharge 30 Sec | 400A | 400A | 400A | 400A | 400A | 400A | 
| Max Discharge 10 Sec | 600A | 600A | 600A | 600A | 600A | 600A | 
| Weight | 89.9 lbs (40.8 kg) | 85.3 lbs (38.7 kg) | 111.5 lbs (50.6 kg) | 113.5 lbs (51.5 kg) | 139.8 lbs (63.4 kg) | 140.9 lbs (63.9 kg) | 
| Dimension LxWxH |  17.01 * 13.15 * 9.06 in  (432 * 334 * 230 mm)  | 
             16.73 * 12.6 * 7.87 in  (425 * 320 * 200 mm)  | 
             13.78 * 13.4 * 9.25 in  (350 * 315 * 235 mm)  | 
             20.04 * 13.15 * 9.25 in  (509 * 334 * 235 mm)  | 
             25.2 * 12.8 * 10.04 in  (640 * 325 * 255 mm)  | 
             21.65 * 13.4 * 9.25 in  (550 * 315 * 235 mm)  | 
        
| Charging Temp Range | 32F to 140F | 32F to 140F | 32F to 140F | 32F to 140F | 32F to 140F | 32F to 140F | 
| Discharge Temp Range | -4F to 140F | -4F to 140F | -4F to 140F | -4F to 140F | -4F to 140F | -4F to 140F | 
| Bluetooth | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 
| Low Temp Cutoff | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 
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