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![[Free Monitor] 48V 100Ah Golf Cart Bluetooth LiFePO₄ Lithium Battey - 200A BMS](http://www.wattcycle.com/cdn/shop/files/WT48V100AH200GC.webp?v=1777023011&width=320)
![[Free Monitor] Wattcycle 48V 105Ah Golf Cart Bluetooth LiFePO₄ Lithium Battery – 250A BMS for High Torque & Hills](http://www.wattcycle.com/cdn/shop/files/WT48V105AH250GCBT_fd49751b-10f0-467d-9543-afe48c8b6ec4.webp?v=1777023011&width=320)
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WattCycle 48V 50Ah GC2 Bluetooth Lithium Battery for Golf Cart & Lawn Mower - Free Monitor
- Standard BCI GC2 size (10.4 * 7.2 * 13.02 inches) ensures a direct drop-in replacement without compartment modification. Highly versatile for golf carts, trolling motors, RVs, and home storage.
- Supports 2C continuous discharge and features a built-in 100A BMS with peak over-current ratings of 150A(30s) / 300A(0.5s). Eliminates power lag or cutting out during sudden acceleration and steep uphill climbs.
- Delivers 2560Wh (51.2V 50Ah) nominal energy per unit. With an ultra-low self-discharge rate, it prevents power drain during prolonged storage, ensuring maximum driving range.
- Features a top-mounted physical ON/OFF Switch to cut off power completely during long-term storage and prevent over-discharge. Built-in temperature protection cuts off charging below 32°F and discharging below -4°F for all-weather outdoor safety.
- Features 6000+ deep cycles at 80% DOD for decades of reliable service. The rugged metal shell and IP54 waterproof rating protect the cells from intense vibrations and harsh turf environments.
- WattCycle stands behind every battery with a robust 5-year warranty and lifetime technical support. Our responsive customer service team is here to provide expert solutions and ensure your complete satisfaction. With WattCycle, you never operate alone—we are always here with you.
We offer free shipping within the continental U.S. via UPS Ground or FedEx, with orders typically processed in 1–2 business days and delivered within 2–5 business days. Large products such as 12V 628Ah, 48V 314Ah batteries, or 12kW inverters are shipped by truck (LTL) and require signature upon delivery. After order confirmation, we will contact you by email to confirm shipment, and transportation arrangements typically take about 48 hours. Please note that we do not ship to Alaska, Hawaii, Puerto Rico, or PO Box addresses. Delivery times may vary due to external factors such as carrier delays or weather conditions.
For complete details, please visit:
Shipping Policy.
📢 Announcement: Update on Customer Support & New Contact Channels
Dear WattCycle Community,
We recently received feedback from some customers who did not receive timely replies to their service emails. After investigating, we discovered that some emails were bounced or filtered into spam due to domain parsing issues, which caused customers to miss our responses. We’ve improved our email system to prevent this in the future.
Here are the updated official support channels:
Email Support
Shenzhen Washi Energy Co., Ltd.
📧 service@wattcycle.com (primary)
📧 wattcycle.service@gmail.com (backup)
👉 Please always reach out to service@wattcycle.com first. If you haven’t received a reply for a long time, kindly check your Spam or Trash folder. If there is still no response, you may then contact us via our backup email.
2. Messenger
If you do not receive an email reply promptly, you can also PM us via Messenger for faster assistance.
3. WhatsApp & Phone Support
Based on your valuable feedback, we now offer US phone number and WhatsApp support for more direct and convenient help:
📱 Phone Support: +1 (229) 466-5899
💬 WhatsApp Support: +86 15361409198
🚛 Wholesale Inquiry: sale@wattcycle.com
+852 5473 5422 (WhatsApp)
4. Response time
Email: (Monday-Sunday) Reply within 24 hours
Phone: (Monday-Friday) 9:30 am-19:00 pm CST
We sincerely appreciate your patience and understanding as we continue to improve our service, and we remain committed to providing efficient and reliable support to all our customers.
Kind reminder: For after-sales inquiries, please include your order number and the platform where the purchase was made so we can assist you more quickly. Thank you for your cooperation and support.
— WattCycle Official Team
Our batteries come with a 5-year warranty, which can be extended to 7 years total upon product registration. Accessories are covered by a 1-year warranty, and like-new (refurbished) batteries include a 1-year warranty.
For full terms, conditions, and claim details, please visit:
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30-Day Money-Back Guarantee
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- Affordable $499 expansion solution including the Wattlink cable（Delta 2/3 series）.
- Ultra-lightweight and portable design weighing only 44 lbs.
- It is more convenient than 12V or 24V systems that require DIY voltage boosting, and more cost-effective than a 48V 100Ah setup.
How to Choose the Version
| Version |
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| Size | 10.4 X 7.2 X 13.02 inch | 18.11 x 13.39 x 9.72 inch |
| Weight | 44.42 lbs | 97.0 lbs |
| Nominal Voltage | 51.2V | 51.2V |
| Energy | 2560Wh | 5376Wh |
| BMS | 51.2V 100A (2C) | 51.2V 250A |
| Peak Current |
150A≤30s 300A≤0.5s |
600A≤32s 1000A≤2s |
| Bluetooth | √ | √ |
| Low-tem Protection | √ | √ |
| Physical ON/OFF Switch | √ | × |
Climb Stronger, Last Longer: WattCycle 51.2V Lithium Golf Cart Batteries
Upgrade your ride with WattCycle's drop-in 48V lithium golf cart batteries that fit standard trays with no modifications. Choose the standard BCI GC2 50Ah version featuring a 100A BMS (2C discharge) and a physical ON/OFF switch to prevent winter storage drain, or step up to the 105Ah version with a 250A BMS and Bluetooth monitoring for extended mileage. Both models provide reliable low-temperature protection and heavy-duty performance to eliminate power lag on steep hills.
Purchase Recommendation
If you want a lighter, space-saving BCI GC2 size 48V lithium golf cart battery for golf carts, electric marine motors, RVs, and off-grid systems. If you are converting from heavy lead-acid units and want a direct-fit solution with a physical ON/OFF switch for worry-free storage and daily operation, the WattCycle 48V 50Ah battery is your ready solution.
Tech Specs
Mechanical Performance
| Shell Type | Metal |
| Size | 10.4 x 7.2 x 13.02 inch |
| Weight | 44.42±1.10 lb |
| Water Dust Resistance | IP54 |
| Terminal | M8 |
Electrical Performance
| Nominal Voltage | 51.2V |
| Nominal Capacity | 50Ah |
| Energy | 2560Wh |
| Months Self Discharge | ≤3%/Month |
| Cycle Life | 6000@DOD80% |
Charge Performance
| Charge Mode | CC/CV |
| Charge Voltage | 57.6±0.2V |
| Recommended Charge Current | 10A |
| Max. Charge Current | 100A |
| Charge Cut-off Voltage | 57.6V |
BMS Specification
| Overall Over-charge Detection Voltage | 57.6±0.2V |
| Overall Over-discharge Detection Voltage | 40±0.2V |
| 1st Discharge Over-current | 150A/30s |
| 2nd Discharge Over-current | 300A/0.5s |
| BMS High Temperature Cut-Off (Charge/Discharge) | 55°C±5°C / 60°C±5°C |
| BMS Low Temperature Cut-Off (Charge/Discharge) | 0°C±5°C / -20°C±5°C |
| High Temperature Recovery (Charge/Discharge) | 50°C±5°C / 55°C±5°C |
| Low Temperature Recovery (Charge/Discharge) | 2°C±5°C / -15°C±5°C |
Discharge Performance
| Recommended Discharge Current | 25A |
| Max. Continuous Discharge Current | 100A |
| Discharge Cut-off Voltage | 40V |
Temperature Performance
| Charge Temperature | 32°F~131°F/0°C~55°C |
| Discharge Temperature | -4°F~140°F/-20°C~60°C |
| Recommended Storage Temperature | 32°F~113°F/0°C~45°C |
