Original price was: £545.90.£479.90Current price is: £479.90.
The Triangle Ebike Battery 52V 35Ah 80A delivers powerful performance and long-range capacity for high-demand e-bike setups.
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This is the top of the range. The Triangle Ebike Battery 52V 35Ah 80A is the highest-specification triangle battery in the entire 52V lineup — a frame-integrated lithium-ion battery pack built on Grade A 21700 EVE5000mAh cells, delivering 1820Wh of stored energy with an 80A continuous discharge current, an XT90 high-current connector, and comprehensive BMS protection across every charge and discharge cycle. Where every other triangle battery in the range runs a 45A or 50A BMS, the Triangle Ebike Battery 52V 35Ah 80A doubles the standard discharge headroom — 80A at 52V nominal delivers up to 4160W of sustained power draw, making this the triangle battery for the most demanding high-power builds in the range. If you’re running a 3000W motor system, a high-current dual-motor setup, or any configuration that demands discharge capability beyond what a 50A BMS can sustain, this is the ebike battery that handles it without compromise.
The defining characteristic of the Triangle Ebike Battery 52V 35Ah 80A is its 80A continuous discharge current — a specification that places this pack in a categorically different performance tier from every other battery in the 52V triangle range. At 52V nominal, 80A continuous discharge delivers 4160W of sustained power output — more than double the 2000W ceiling of the standard 50A packs, and well above the 3000W motor systems this battery pack is designed to support. The practical implication is clear: no matter how hard the motor is pushed, no matter how steep the gradient or heavy the load, the BMS protection threshold of this Triangle Ebike Battery 52V 35Ah 80A remains comfortably clear of the motor’s peak current demand. Clean, uninterrupted power delivery across the full operating range of any 52V motor system up to and beyond 3000W.
Standard 40A–50A BMS packs become the limiting factor in high-current 52V builds — the BMS current ceiling is reached before the motor reaches its full output potential, causing protection-threshold trip events under hard acceleration or sustained high-power climbing. The 80A specification of this triangle battery eliminates that constraint entirely. This is the correct BMS rating for serious high-power 52V builds.
The Triangle Ebike Battery 52V 35Ah 80A is built on Grade A 21700 EVE5000mAh cells — a premium cell specification from EVE Energy, one of China’s leading lithium-ion manufacturers with extensive deployment in EV, energy storage, and industrial battery applications worldwide. The EVE 21700 5000mAh cell format is specifically selected for its combination of high energy density and high discharge capability — the ability to sustain elevated discharge currents without the voltage sag and heat generation that limit lower-rated cells under hard use. This is the critical cell characteristic that enables the Triangle Ebike Battery 52V 35Ah 80A‘s 80A continuous discharge specification without cell thermal stress under sustained hard riding.
Grade A selection ensures every cell in this lithium battery is manufactured to the tightest internal resistance tolerances — consistent performance across every cell in the series string, balanced charge distribution, and uniform ageing over the pack’s full service life. The cycle life specification reflects this industrial-grade cell quality: 800–1000+ cycles before the pack degrades to 80% of its original 1820Wh capacity — a triangle battery built for years of demanding high-power use.
At 35Ah and 52V nominal, the Triangle Ebike Battery 52V 35Ah 80A stores 1820Wh of usable energy — the highest capacity in the 52V triangle battery range. For a 52V motor system consuming 20–30Wh per kilometre under hard riding conditions, 1820Wh delivers an estimated range of 60–91km per charge even from high-output 750W–1000W motor systems under mixed load. For the highest-power 2000W–3000W systems that draw the most energy per kilometre, the 1820Wh reserve still provides meaningful full-day riding range that removes energy depletion as a limiting factor from the riding equation. For direct capacity comparison within the 52V triangle range, the Triangle Ebike Battery 52V 30Ah delivers 1560Wh at 50A — the 35Ah 80A format adds 260Wh more capacity and 30A more discharge headroom.
The connector specification on the Triangle Ebike Battery 52V 35Ah 80A is as important as the BMS rating — and it is upgraded accordingly. Where standard high-power e-bike batteries use XT60 connectors rated to 60A continuous, this ebike battery uses an XT90 connector rated for up to 90A continuous current. At 80A discharge, the XT60 connector would operate at its absolute limit — elevated contact resistance, heat generation at the terminals, and accelerated connector wear under repeated high-current cycling. The XT90 connector handles 80A continuously with comfortable headroom, maintaining low contact resistance, minimal heat generation, and long-term connector reliability across hundreds of plug/unplug cycles. The XT90 is the correct connector for this discharge specification — properly matched hardware throughout, not just at the cell and BMS level.
The Triangle Ebike Battery 52V 35Ah 80A operates at 52V nominal with a full charge voltage of 58.8V — delivering peak voltage at the start of every ride for maximum motor output and sharpest throttle response from any 48V or 52V compatible motor system. The BMS terminates charging automatically at 58.8V, protecting the EVE cells from overcharge stress. A full charge from empty takes approximately 7 hours at standard charge rates — suited to overnight charging routines that deliver the full 1820Wh of capacity every morning. The 52V platform advantage over 48V operation — sharper acceleration, higher peak power, lower current draw at equivalent output — applies fully to this lithium battery, giving every motor system it powers a performance step that requires no hardware changes.
The integrated BMS in the Triangle Ebike Battery 52V 35Ah 80A provides four layers of active protection, rated for the 80A discharge specification of this pack. Overcharge protection terminates charging at 58.8V. Over-discharge protection enforces the low-voltage cut-off to preserve EVE cell chemistry. Overcurrent protection limits discharge current under fault conditions beyond the 80A continuous rating, protecting both the cell pack and the motor controller. Short-circuit protection provides immediate shutdown on wiring or connector failure. Active cell balancing during charging ensures every EVE cell in the series string reaches the same state of charge — the mechanism that maintains capacity consistency across 800–1000+ cycles. The BMS operates continuously and transparently, requiring no user maintenance.
The Triangle Ebike Battery 52V 35Ah 80A mounts inside the main bicycle frame triangle using integrated straps and brackets — placing 1820Wh of stored energy at the geometric centre of the bicycle, between both wheels, as low as the frame triangle geometry allows. For high-power builds running 2000W–3000W motor systems, the weight distribution advantage of frame triangle mounting is amplified — a heavy, high-capacity battery pack at the centre of the frame handles better under hard acceleration and high-speed riding than any equivalent battery mounted at the rear rack or off-centre on the down tube. The triangle format keeps the build balanced, stable, and clean regardless of motor power level.
The durable, heat-resistant casing protects the Grade A EVE cells and high-current BMS electronics from vibration, impact, and weather exposure during normal hard riding use. Verify your frame triangle internal dimensions against this battery’s physical profile before ordering — at 35Ah, this is the largest triangle battery in the range and requires the most frame triangle volume. For the full range of high-power conversion kits compatible with this Triangle Ebike Battery 52V 35Ah 80A, visit the Conversion Kit category page. For the complete battery range, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 52V |
| Capacity | 35Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1820Wh |
| Cell Type | Grade A 21700 EVE5000mAh |
| Discharge Current | 80A continuous |
| Charging Voltage | 58.8V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~7 hours |
| Connector | XT90 |
| Case Material | Durable, heat-resistant |
| Compatible Motor Power | Up to 3000W+ (48V/52V) |
| Format | Triangle (frame-integrated) |
The Triangle Ebike Battery 52V 35Ah 80A is the ultimate specification triangle battery — 1820Wh of EVE5000mAh energy, 80A continuous discharge, XT90 high-current connector, 800–1000+ cycle longevity, four-layer BMS protection, and frame-integrated mounting. The ebike battery, triangle battery, and lithium battery for high-power 52V builds that demand every component matched to the performance level they operate at — this is the battery pack that sets the standard.
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