Original price was: £320.00.£295.90Current price is: £295.90.
Triangle Ebike Battery 52V 20Ah – High-capacity lithium-ion battery with a compact triangle design for easy frame mounting
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The Triangle Ebike Battery 52V 20Ah brings together the performance advantage of 52V operation, the range capability of 1040Wh capacity, and the weight distribution and aesthetic benefits of frame-integrated triangle mounting — in a single, premium-specification lithium-ion electric bike battery built on Grade A 18650 2500mAh cells. With a 50A continuous discharge current — the highest in the 48V/52V triangle range — an 800–1000+ cycle life, and comprehensive BMS protection, the Triangle Ebike Battery 52V 20Ah is the 52V triangle battery for builders who want maximum discharge headroom, 52V performance, and a frame-mounted profile that makes their conversion look and handle like a purpose-built electric machine. This is the 52V battery that goes beyond standard specification.
The fundamental performance advantage of the Triangle Ebike Battery 52V 20Ah over equivalent 48V triangle packs begins with voltage. At 52V nominal versus 48V nominal, the same motor receives higher voltage at the same current draw — peak power increases, acceleration sharpens at every point in the power band, and top-end speed improves without any hardware changes to the motor or controller. At full charge, this 52V battery delivers its peak voltage of 58.8V — significantly higher than the 54.6V of a fully charged 48V pack — producing the strongest possible motor performance at the start of every ride and maintaining elevated voltage through a larger portion of the discharge curve.
The higher voltage also means lower current draw at equivalent power output — the motor, controller, and wiring run cooler under sustained load, thermal stress on every drivetrain component decreases, and component longevity improves under regular hard use. The Triangle Ebike Battery 52V 20Ah is the ebike battery for builders who want to extract the full performance potential from any 48V or 52V motor system without changing the motor hardware.
The discharge specification of the Triangle Ebike Battery 52V 20Ah is where it establishes clear separation from the 48V triangle packs in the range. At 50A continuous discharge, this 52V triangle battery sustains up to 2600W of continuous power draw at 52V nominal — 440W above the headroom of a 45A pack at 48V, and substantially above the 2000W motor ceiling this battery supports. This 50A BMS rating is the correct specification for 52V builds running high-output motor systems where the elevated voltage increases peak current demand at the battery terminals compared to equivalent 48V operation. More discharge headroom means cleaner, more consistent power delivery under sustained hard use — the BMS protection threshold stays well clear of normal operating current regardless of terrain or load conditions.
For high-power hub motor builds that draw fully on this electric bike battery‘s 50A capability, the E-Bike Conversion Kit 2000W BLACK is the directly compatible motor system that benefits from both the 52V voltage advantage and the 50A continuous discharge specification of this pack. For the full range of compatible conversion kits, visit the Conversion Kit category page.
At 20Ah and 52V nominal, the Triangle Ebike Battery 52V 20Ah stores 1040Wh of usable energy — matching the energy content of the 52V 20Ah Hailong downtube format in a frame-integrated triangle profile. For a 52V motor system consuming 15–20Wh per kilometre under mixed conditions, 1040Wh delivers an estimated range of 52–69km per charge from a mid drive system in the 250W–350W range. Higher-output motor systems in the 750W–2000W range produce proportionally shorter ranges that still cover extended commuting distances and full recreational riding sessions on a single charge. For a direct capacity comparison within the triangle format, the Triangle Ebike Battery 48V 30Ah delivers 1440Wh at 48V — the 52V 20Ah offers 52V performance advantages at 1040Wh capacity.
The Triangle Ebike Battery 52V 20Ah is built on Grade A 18650 2500mAh lithium-ion cells — a thoroughly proven, high-reliability cell format used across premium e-bike packs, professional battery systems, and high-end consumer electronics worldwide. Grade A selection ensures every cell in this 52V triangle battery is manufactured to the tightest internal resistance tolerances — consistent output across every cell in the series string, balanced charge distribution, and uniform ageing across the full pack. The cycle life specification reflects this quality: 800–1000+ cycles before the pack degrades to 80% of its original 1040Wh capacity. At one full charge per day, that is over two years of daily riding at the conservative end — a 52V battery built for long-term ownership.
The Triangle Ebike Battery 52V 20Ah charges to a full cut-off voltage of 58.8V in approximately 5 hours from empty — the fastest full-charge time in the 52V triangle battery range, made possible by the 20Ah capacity being more modest than the 25Ah, 30Ah, and 35Ah formats. The 5-hour charge time suits afternoon charging routines as well as overnight charging — riders who need a second ride on the same day can fully recharge in 5 hours without an overnight cycle. The BMS terminates charging automatically at 58.8V regardless of charger output, eliminating overcharge risk at any supported charge rate.
The integrated BMS in the Triangle Ebike Battery 52V 20Ah provides four layers of active cell protection. Overcharge protection terminates charging at 58.8V. Over-discharge protection enforces the low-voltage cut-off to preserve cell chemistry. Overcurrent protection limits discharge current under fault conditions, 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 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 throughout the service life of this ebike battery.
The Triangle Ebike Battery 52V 20Ah mounts inside the main bicycle frame triangle using integrated straps and brackets — placing its 1040Wh of stored energy at the geometric centre of the frame, between both wheels and as low as the triangle geometry allows. This is the optimal battery mounting position for handling balance and low centre of gravity — mass is centred and low rather than cantilevered rearward as with rack mounts, or creating a forward bias as with some downtube positions. The triangle format also fills the empty void inside the frame that most bicycles already have — making the converted bicycle look factory-built and intentional rather than aftermarket and assembled. For 52V builds where performance and build quality both matter, the 52V triangle battery format delivers advantages that no external mounting position can replicate.
The durable, heat-resistant outer casing protects the Grade A cells and BMS electronics from vibration, mechanical impact, and weather exposure during normal outdoor riding. No drilling, no welding, no permanent frame modification — integrated straps and brackets secure the battery firmly with tool-free installation and removal. Verify your frame triangle internal dimensions against this battery’s physical profile before ordering — frame triangle dimensions vary significantly between bicycle categories and sizes.
The Triangle Ebike Battery 52V 20Ah is compatible with most 48V and 52V eBike systems and DIY conversion setups. The 50A discharge rating supports motor systems up to 2000W at 52V without BMS protection issues under normal riding conditions. For the complete battery range across triangle and downtube formats at all voltages and capacities, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 52V |
| Capacity | 20Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1040Wh |
| Cell Type | Grade A 18650 2500mAh |
| Discharge Current | 50A |
| Charging Voltage | 58.8V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~5 hours |
| Connector | XT60 |
| Case Material | Durable, heat-resistant |
| Compatible Motor Power | Up to 2000W (48V/52V) |
| Format | Triangle (frame-integrated) |
The Triangle Ebike Battery 52V 20Ah is the complete, high-performance 52V triangle battery for builders who want 52V voltage advantages, 50A discharge headroom, and 1040Wh of frame-integrated energy storage. Grade A 18650 cells, 800–1000+ cycle longevity, four-layer BMS protection, 5-hour charge time, and optimal frame-mounted weight distribution — the Triangle Ebike Battery 52V 20Ah is the premium electric bike battery and ebike battery solution for serious 52V builds that demand performance, range, and build quality in equal measure.
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