Original price was: £529.90.£479.90Current price is: £479.90.
Triangle Ebike Battery 72V 20Ah 60A – High-performance lithium-ion battery with a 60A BMS, built to support powerful motors up to 3000W
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More capacity. Same high-voltage platform. The Triangle Ebike Battery 72V 20Ah 60A is a premium frame-integrated lithium-ion electric bike battery built on Grade A 21700 LG5000mAh cells, delivering 1440Wh at 72V nominal with a 60A continuous discharge current and XT90 connector — the step up from the 18Ah format with 144Wh of additional energy storage at the same 72V platform, same LG cell specification, and same high-current BMS rating. The Triangle Ebike Battery 72V 20Ah 60A is the 72V ebike battery for builders who want the full performance advantage of 72V operation, LG5000mAh cell quality, and 1440Wh of frame-integrated energy storage for motor systems up to 3000W. This is the 72V triangle battery that sets the standard for high-voltage, high-capacity frame-mounted energy storage.
The Triangle Ebike Battery 72V 20Ah 60A operates on the 72V platform — a voltage level that delivers a fundamentally different performance profile from 48V or 52V systems. At 72V nominal, the same motor hardware produces significantly more peak power, sharper acceleration throughout the speed range, and a higher top-end velocity ceiling than lower-voltage equivalents. The physics are straightforward: power equals voltage multiplied by current, so at 72V the motor receives 38% more voltage than at 52V at the same current draw — translating directly into 38% more power output from identical motor hardware. For motor systems rated at 2000W–3000W where squeezing maximum performance from the drivetrain is the design goal, 72V is the correct voltage platform, and the 72V battery format is the only energy source that unlocks that performance.
The elevated voltage also reduces current draw at equivalent power output compared to lower-voltage systems — thinner wire requirements, less heat in the motor windings and controller under sustained load, and reduced thermal stress on every electrical component in the drivetrain. A 3000W motor running on the Triangle Ebike Battery 72V 20Ah 60A at 72V draws approximately 41A from the battery versus approximately 58A from a 52V pack at the same power — the difference in conductor sizing, connector temperature, and component longevity over repeated hard use is significant.
At 20Ah and 72V nominal, the Triangle Ebike Battery 72V 20Ah 60A stores 1440Wh of usable energy — 144Wh more than the Triangle Ebike Battery 72V 18Ah 60A at the same discharge specification and cell chemistry. For high-output 72V motor systems consuming 30–40Wh per kilometre under mixed hard riding conditions, the 20Ah format delivers an estimated 36–48km per charge — a meaningful range increase over the 18Ah that makes a real difference on longer routes and in higher-demand riding applications. For performance riding where the 72V platform’s speed and power advantages are being fully exploited, the additional 144Wh of capacity extends every session before a charge stop is needed.
The Triangle Ebike Battery 72V 20Ah 60A uses Grade A 21700 LG5000mAh cells — a step up from the LG4800mAh cells in the 18Ah format, with 200mAh more capacity per cell that enables the higher 20Ah total pack capacity at the same physical footprint. LG5000mAh cells represent the highest energy density available in the LG 21700 cell range — the premium specification that combines the discharge capability needed for 72V high-power operation with the energy density to achieve 1440Wh in a manageable triangle battery profile. Grade A cell selection ensures every cell in this 72V triangle battery is manufactured to the tightest internal resistance tolerances — critical at 72V where the longer series string amplifies any cell-to-cell inconsistency in performance or ageing. The cycle life specification confirms this quality: 800–1000+ cycles before the pack degrades to 80% of its original 1440Wh capacity.
At 60A continuous discharge at 72V nominal, the 72V ebike battery sustains up to 4320W of continuous power draw — 1320W of headroom above the 3000W motor ceiling, ensuring the BMS protection threshold stays comfortably clear of peak motor demand under the hardest riding conditions. At 72V operating voltage, 60A delivers more effective power headroom than the same discharge rating would at 48V or 52V — the higher voltage multiplies the effective power capacity of every amp of discharge current, making the 60A rating genuinely appropriate for 3000W+ motor systems at this voltage level. The BMS is calibrated specifically for 72V operation with cell protection thresholds set for the 72V series string — this is not a 48V BMS operating outside its design voltage range, but a purpose-built electric bike battery management system for the 72V platform.
The Triangle Ebike Battery 72V 20Ah 60A uses an XT90 connector rated for up to 90A continuous current — providing 30A of headroom above the 60A operating specification and protecting the connector from thermal stress under peak current spikes during hard acceleration. Standard XT60 connectors are rated for 60A continuous — at the absolute limit of the operating specification with no margin. The XT90 upgrade is the correct connector for a 72V 60A system.
The pack charges to a full cut-off voltage of 84V — the standard charge termination voltage for a 20-series 72V lithium-ion pack. A 72V-specific charger with 84V output is required — standard 48V or 52V chargers are incompatible with this 72V battery and must not be used. The BMS enforces the 84V cut-off automatically, protecting the LG5000mAh cells from overcharge. A full charge from empty takes approximately 5 hours, suited to afternoon or overnight charging routines.
The integrated BMS in the Triangle Ebike Battery 72V 20Ah 60A provides four layers of active protection specifically calibrated for the 72V series string. Overcharge protection terminates charging at 84V. Over-discharge protection enforces the low-voltage cut-off to preserve LG5000mAh cell chemistry. Overcurrent protection limits discharge under fault conditions beyond the 60A operating rating. Short-circuit protection provides immediate shutdown on wiring or connector failure. Active cell balancing during charging ensures every cell in the longer 72V series string reaches the same state of charge — the mechanism that maintains capacity consistency across 800–1000+ cycles and prevents early-ageing divergence in the higher cell-count series string. The BMS operates continuously and transparently.
The Triangle Ebike Battery 72V 20Ah 60A mounts inside the main bicycle frame triangle — placing 1440Wh of 72V stored energy at the geometric centre of the bicycle, between both wheels and as low as the triangle geometry allows. For high-voltage builds running 3000W motor systems, frame triangle mounting is particularly important for handling stability — the hard, rapid acceleration that 72V power enables creates strong rearward weight transfer under full throttle, and a centred, low battery position counteracts this more effectively than any alternative mounting position. The clean, integrated appearance of the 72V triangle battery inside the frame also suits high-specification builds where aesthetics matter as much as performance.
The durable, heat-resistant casing protects the Grade A LG5000mAh cells and 72V BMS from vibration, impact, and weather exposure. Verify frame triangle dimensions before ordering. For the full range of 3000W+ conversion kits compatible with this battery, visit the Conversion Kit category page. For the complete 72V and full battery range, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 72V |
| Capacity | 20Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1440Wh |
| Cell Type | Grade A 21700 LG5000mAh |
| 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 20Ah 60A is the high-capacity, premium-cell 72V triangle battery for serious high-voltage builds — 1440Wh of LG5000mAh energy, 60A continuous discharge, XT90 high-current connector, 84V charge termination, 800–1000+ cycle longevity, and four-layer BMS protection calibrated for 72V operation. The 72V battery and electric bike battery that powers 3000W motor systems with the voltage, current, and cell quality they demand — and the 72V ebike battery that makes every high-voltage build perform at its full potential.
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