Original price was: £515.00.£449.90Current price is: £449.90.
A high-voltage Triangle Ebike Battery 72V 18Ah 60A delivering strong power, fast performance, and reliable energy for advanced 72V eBike setups.
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The Triangle Ebike Battery 72V 18Ah 60A marks a decisive step beyond the 48V and 52V battery range — a high-voltage, frame-integrated lithium-ion electric bike battery built on Grade A 21700 LG4800mAh cells, delivering 1296Wh at 72V nominal with a 60A continuous discharge current and XT90 connector rated for sustained high-current operation. At 72V, this triangle battery operates in a different performance category entirely — higher voltage at the same motor produces more power, sharper acceleration, and a higher top-end speed ceiling that 48V and 52V systems cannot match regardless of capacity. The Triangle Ebike Battery 72V 18Ah 60A is the high-voltage energy source for builders who have committed to a 72V drivetrain and need frame-integrated, premium-cell storage to match — the 72V battery that delivers the voltage, discharge capability, and cell quality that serious high-voltage builds demand.
The jump from 52V to 72V is not incremental — it is a fundamental shift in what a motor system can deliver. At 72V nominal versus 52V nominal, the same motor receives 38% more voltage at equivalent current draw. Peak power increases dramatically, acceleration off the line sharpens to a level that low-voltage systems cannot approach, and the top-end speed ceiling rises proportionally with the voltage increase. For motor systems rated at 3000W and above, 72V is often the voltage platform of choice because it reduces current draw at equivalent power output — lower current means thinner wire requirements, less heat in the motor and controller under sustained load, and longer component life under regular hard use.
The Triangle Ebike Battery 72V 18Ah 60A is the energy source specifically for 72V motor builds — not a 48V or 52V pack operating at its limits, but a purpose-designed 72V battery with cells, BMS, and connector all rated for the higher voltage and current demands of 72V operation. At 72V, this electric bike battery charges to a full cut-off voltage of 84V — a peak voltage that requires a 72V-specific charger and BMS, both of which are correctly implemented in this pack.
At 18Ah and 72V nominal, the Triangle Ebike Battery 72V 18Ah 60A stores 1296Wh of usable energy. At 72V, high-output motor systems in the 2000W–3000W range consume more energy per kilometre than lower-voltage equivalents, but the 1296Wh capacity still delivers meaningful real-world range for serious riding use. A 3000W motor system consuming 30–40Wh per kilometre under mixed riding conditions delivers an estimated 32–43km per charge — appropriate for performance riding, high-speed off-road use, and demanding terrain applications where speed and power are the priority over maximum range. For 72V builds where range is also a priority, the higher-capacity 72V triangle packs in the range extend that figure significantly. For direct comparison, the Triangle Ebike Battery 52V 35Ah 80A delivers 1820Wh at 52V with 80A discharge — the 72V format trades some capacity for the significant voltage performance advantage.
The Triangle Ebike Battery 72V 18Ah 60A is built on Grade A 21700 LG4800mAh cells — a premium cell specification that combines high energy density with the sustained discharge capability required for 72V operation. LG cell chemistry is among the most trusted in the lithium-ion industry for consistency, thermal stability, and long-term capacity retention — and the Grade A selection ensures every cell in this triangle battery meets the tightest internal resistance tolerances. At 72V nominal, the series string requires more cells in series than a 48V or 52V pack, making cell-to-cell internal resistance matching more critical — any inconsistency in cell quality is amplified across a longer series string. Grade A LG4800mAh cells deliver the consistency required for reliable, balanced 72V pack operation.
The cycle life specification reflects this quality: 800–1000+ cycles before the pack degrades to 80% of its original 1296Wh capacity — a 72V battery built for long-term high-voltage use.
At 60A continuous discharge at 72V nominal, the Triangle Ebike Battery 72V 18Ah 60A sustains up to 4320W of continuous power draw — well above the 3000W+ motor ceiling this pack supports, providing meaningful headroom against BMS protection thresholds under sustained hard riding at full throttle. The 60A rating at 72V is the correctly proportioned discharge specification for this voltage platform — at 72V, 60A delivers significantly more power headroom than 60A at 52V would, reflecting the higher power density inherent in 72V operation. The XT90 connector is rated for up to 90A continuous current — providing 30A of additional headroom above the 60A operating specification for peak current spikes during hard acceleration, protecting the connector from thermal stress and ensuring long-term contact reliability across hundreds of connection cycles.
The Triangle Ebike Battery 72V 18Ah 60A charges to a full cut-off voltage of 84V — the correct charge termination voltage for a 20-series 72V lithium-ion pack. This requires a 72V-specific charger with an 84V output cut-off. Standard 48V chargers (54.6V cut-off) and 52V chargers (58.8V cut-off) are incompatible with this electric bike battery — using an incorrect charger will damage the pack or fail to charge it fully. Ensure your charger is rated for 72V/84V output before connecting. The BMS in this pack is designed for the 72V series string and enforces the 84V charge cut-off automatically, protecting the LG cells from overcharge regardless of charger output within the supported range. A full charge from empty takes approximately 5 hours at standard charge rates.
The integrated BMS in the Triangle Ebike Battery 72V 18Ah 60A provides four layers of active protection specifically calibrated for 72V operation. Overcharge protection terminates charging at 84V. Over-discharge protection enforces the low-voltage cut-off to preserve LG cell chemistry at the bottom of the discharge curve. Overcurrent protection limits discharge current under fault conditions beyond the 60A continuous rating. Short-circuit protection provides immediate system shutdown on wiring or connector failure. Active cell balancing during charging ensures every cell in the 72V series string reaches the same state of charge — critical at this voltage level where the longer series string amplifies any cell imbalance in the pack. The BMS operates continuously and transparently throughout the pack’s service life.
The Triangle Ebike Battery 72V 18Ah 60A mounts inside the main bicycle frame triangle using integrated straps and brackets — placing 1296Wh of 72V stored energy at the geometric centre of the bicycle, between both wheels, as low as the triangle geometry allows. For high-voltage builds running 3000W+ motor systems, centred weight distribution is particularly important — high-power acceleration at 72V generates strong rearward weight transfer, and a battery mounted at the frame triangle rather than rearward on a rack keeps the weight balanced and the handling stable under hard throttle. The triangle format also gives the build a clean, integrated appearance appropriate for the high-specification nature of a 72V conversion. The durable, heat-resistant casing protects the Grade A LG cells and 72V BMS from vibration, impact, and weather exposure during normal hard riding use.
Verify your frame triangle dimensions against this battery’s physical profile before ordering. For the full range of high-power conversion kits rated for 72V operation, visit the Conversion Kit category page. For the complete triangle and downtube battery range across all voltages and capacities, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 72V |
| Capacity | 18Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1296Wh |
| Cell Type | Grade A 21700 LG4800mAh |
| Discharge Current | 60A continuous |
| Charging Voltage | 84V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~5 hours |
| Connector | XT90 |
| Case Material | Durable, heat-resistant |
| Compatible Motor Power | Up to 3000W+ (72V) |
| Format | Triangle (frame-integrated) |
The Triangle Ebike Battery 72V 18Ah 60A is the high-voltage, frame-integrated electric bike battery for serious 72V builds — 1296Wh of LG4800mAh energy, 60A continuous discharge, XT90 high-current connector, 84V charge cut-off, 800–1000+ cycle longevity, and four-layer BMS protection designed specifically for 72V operation. The triangle battery and 72V battery that powers 3000W+ motor systems with the voltage, current, and cell quality they demand.
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