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72V 76.8V LiFePO4 Electric Motorcycle Battery (GEB-EM57, 15Ah 21Ah C14)
The GEB EM57 Series 72V (76.8V) LiFePO4 High-Voltage Electric Motorcycle & Moped Battery Pack (Model: EM57-72) delivers 1,152Wh to 1,612.8Wh of robust motive power for urban high-speed electric motorbikes, delivery scooters, and commercial battery swap networks. Configured in a 24S LFP architecture with Grade-A prismatic cells, it provides 30A continuous discharge current to comfortably drive 1000W–2500W traction motors. Built inside a rugged powder-coated steel tower casing (160 × 180 × 329 mm, ≤13.2kg) featuring a high-visibility safety-orange top lid, heavy-duty folding stainless steel carry handle with rubber grip, and an integrated standard C14 power socket. Features intelligent multi-tier Smart BMS with optional Bluetooth smartphone telemetry and RS485 communication.
Description
General Electronics Technology Co., Ltd. is one of the leading manufacturers and suppliers of 72v 76.8v lifepo4 electric motorcycle battery (geb-em57, 15ah 21ah c14) in China. We are committed to providing high quality custom service and OEM&ODM service to global clients. Please feel free to wholesale durable lithium battery packs in stock here and get quotation from our factory.
Direct Procurement Answer 72V (76.8V) LiFePO4 Electric Motorcycle Battery Pack (GEB-EM57)
The GEB-EM57-72 high-voltage lithium iron phosphate (LiFePO4) battery pack is purpose-engineered for high-speed urban electric motorcycles, commercial delivery scooters, and standardized 72V battery swapping networks. Operating on a 76.8V nominal architecture (24S LFP, available in 15Ah/1,152Wh and 21Ah/1,612.8Wh capacities), it delivers 30A continuous industrial discharge current (~2.3kW) to support 1000W to 2500W traction drive motors. Encased in an elongated powder-coated steel tower casing (160 × 180 × 329 mm, ≤13.2kg) featuring a high-visibility safety-orange top lid, heavy-duty folding carry handle with rubber grip, and an integrated standard C14 power socket. Before ordering, verify under-seat battery compartment clearance (≥ 170 × 190 × 340 mm), motor controller operating voltage window (67.2V cutoff to 86.4V upper limit), and a matched 86.4V CC/CV charger profile.
1. Electrical, Mechanical & Operating Specifications
| Series Model | GEB-EM57 Series (EM57-72) |
| High-Voltage Architecture | 76.8V Nominal (24S LiFePO4 Architecture) |
| Available Rated Capacities | 15.0 Ah (1,152Wh) & 21.0 Ah (1,612.8Wh) |
| Total Stored Energy | 1,152 Wh (15Ah) / 1,612.8 Wh (21Ah) |
| Working Voltage Window | 67.2V (Discharge Cutoff) – 86.4V (Full Charge Cutoff) |
| Max Continuous Discharge Current | 30.0 A (Supports 1,000W to 2,500W high-speed traction motors) |
| Max Continuous Charging Current | 0.5C (7.5A – 10.5A fast charging capability, ~2h full charge) |
| Battery Chemistry & Cell Type | Grade-A Prismatic LFP (Lithium Iron Phosphate) |
| Enclosure Construction | Elongated Cold-Rolled SPCC Steel Tower, Safety-Orange Lid & Black Body |
| Carrying Hardware | Heavy-Duty Folding Stainless Steel Carry Handle with Ergonomic Rubber Grip |
| Main Power / Charge Interface | Standard C14 Power Socket (IEC 60320) / Fully Customizable |
| Smart Communication Options | Bluetooth BLE Smartphone Telemetry / RS485 Bus (Optional) |
| External Physical Dimensions | 160 × 180 × 329 mm (6.30 × 7.09 × 12.95 in) |
| Total Pack Net Weight | ≤ 13.2 kg (29.1 lbs) |
| Charging Temperature Range | 0°C to 50°C (32°F to 122°F) |
| Discharging Temperature Range | -10°C to 55°C (14°F to 131°F) |
| Deep Cycle Service Life | ≥ 2,500 Full Cycles (@ 80% DoD, 25°C, residual capacity ≥ 80%) |
| Quality & Transport Compliance | UN38.3, MSDS, CE, RoHS, ISO9001:2015 Manufacturing Standards |
2. 72V Fleet Application & Swappable Fitment Guide
- Target Vehicle Classes: Purpose-built for 72V high-speed electric delivery motorbikes, courier mopeds, express parcel transport, and commercial battery swapping networks requiring sustained 60km/h–80km/h highway speeds.
- Tower Footprint with Standard Base: Retains the industry-standard 160 × 180 mm base footprint shared with the EM50 series, extended in height to 329 mm to house 24 series cells. Directly docks into high-capacity under-seat cavities or multi-bay swapping cabinet slots.
- 30A High-Voltage Continuous Drive: Delivering a sustained 76.8V × 30A = 2,304W continuous power output, effortlessly powering 1500W–2500W high-speed BLDC hub motors and mid-drive transmissions across undulating city terrain.
- Standard C14 Receptacle with Keyed Safety: Features an integrated IEC C14 power socket on the orange top plate. Keyed connection prevents reverse polarity mishaps during rapid swaps. Heavy-gauge internal copper wiring minimizes resistance and thermal rise.
- Lead-Acid Replacement: Directly replaces six heavy 12V 20Ah flooded lead-acid batteries (weighing roughly 42kg) with a single 13.2kg pack-slashing deadweight by nearly 70% while extending battery cycle life by 5×.
3. Heavy-Duty Mechanical Architecture & Smart BMS Protection
1. High-Impact Steel Tower Enclosure
Built from cold-rolled sheet steel with an anti-scratch black textured powder coating. The safety-orange top cover offers high visual visibility during night-time fleet battery exchanges.
2. Ergonomic Rubberized Folding Handle
Heavy-duty folding stainless steel handle with thick rubber cushioning facilitates easy single-handed vertical extraction from deep chassis bays and swap cabinet slots.
3. Top-Mounted C14 Power Port
Integrated on the top plate to prevent side collision damage. Supports quick drop-in docking and offers factory customization to Anderson SB50 or Chogori waterproof connectors.
4. 24S High-Voltage Smart BMS
Full multi-tier protection against over-charge, over-discharge, over-current, and short circuits. Optional Bluetooth App allows real-time monitoring of all 24 individual cell voltages and temperatures.
4. Engineering Judgment & Operating Boundaries
Recommended Applications
Designed for 72V commercial delivery mopeds, urban express couriers, and high-speed commuters requiring 50km to 75km (30 to 47 miles) range per charge with rapid cabinet swapping capabilities.
Operating Boundaries & Constraints
Do not connect in series with other packs. Charging below 0°C is automatically prohibited by the BMS; packs must be warmed indoors before winter charging. Verify motor controller continuous current does not exceed 30A.
5. B2B OEM / ODM Customization Matrix
Shenzhen General Electronics Technology Co., Ltd. (GEB) supports fleet conversion specialists and swapping network operators:
Factory configuration with heavy-duty multi-pin sliding contacts, Anderson SB50, or Chogori connectors for automated battery swap stations.
Tailored communication protocols for real-time GPS tracking integration, vehicle dashboard handshake, and cloud-based SOC monitoring.
Custom powder coating colors, corporate logo silkscreening, and barcode/QR label serialization for automated asset tracking.
Heavy-duty aluminum housing CC/CV chargers (86.4V cutoff) available in 5A, 8A, and 10A outputs for rapid ~2-hour shop recharges.
6. B2B Procurement & International Transport Compliance
- Sample Order Lead Time: 5 to 7 business days with individual quality test documentation.
- Batch Production Lead Time: 15 to 20 business days depending on order volume.
- MOQ (Minimum Order Quantity): 2 units for prototype testing; 20+ units for volume commercial fleet pricing.
- Dangerous Goods Freight Compliance: Certified with UN38.3 test summary reports, MSDS, 1.2m drop test certification, and sea/air transport condition appraisals. Shipped in compliant export packaging.
- Manufacturer Warranty: 24 to 36 months commercial manufacturer warranty backed by GEB engineering support.
7. Frequently Asked Questions (FAQ)
Q1: How does the GEB-EM57 compare to the GEB-EM50 series?
A: The GEB-EM57 is a higher-voltage 76.8V (24S) system designed specifically for 72V electric motorbikes and high-speed commuters. It retains the same 160×180mm base footprint as the EM50 series but has an extended 329mm height (vs 250mm on EM50) to accommodate 24 series cells, delivering higher top speeds and up to 1,612.8Wh of energy.
Q2: What is the estimated daily operating range for a 72V delivery motorcycle?
A: With a 21Ah capacity storing approximately 1,612.8Wh, an electric motorcycle consuming roughly 25–35Wh/km will achieve an estimated operating range of 50km to 65km (30 to 40 miles) at typical urban speeds of 45–60 km/h under realistic stop-and-go delivery conditions.
Q3: Can the C14 connector handle continuous 72V 30A discharge?
A: The standard C14 connector is rated for moderate moped currents. For heavy commercial 30A continuous fleet duties, GEB supplies reinforced high-conductivity pins or configures drop-in Anderson SB50, Chogori, or customized heavy-gauge terminal cables.
Q4: What telemetry parameters can be tracked via the optional Bluetooth App?
A: The Bluetooth App connects wirelessly to the BMS to report real-time pack voltage, instantaneous discharge current, charge amperage, state of charge (SOC%), individual cell voltage balance across all 24 series cells, internal temperature sensor readings, and cumulative cycle counts.
Hot Tags: 72v motorcycle battery, 76.8v lifepo4 battery, 72v electric scooter battery, GEB-EM57, 72v battery swap, C14 lithium battery pack
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