Original price was: £549.00.£499.90Current price is: £499.90.
A high-capacity Triangle Ebike Battery 48V 45Ah designed for maximum range and strong, reliable power for demanding 48V eBike setups.
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Maximum range. Premium cells. Frame-integrated design. The Triangle Ebike Battery 48V 30Ah is a high-capacity lithium-ion triangle battery built on Grade A 21700 LG5000mAh cells, delivering 1440Wh of stored energy for 48V and 52V motor systems up to 2000W. With a 45A discharge current, an 800–1000+ cycle life, comprehensive BMS protection, and a compact, ergonomic frame-mounted profile that disappears inside the main bicycle triangle, this is the long-range electric bike battery for builders who want the highest capacity available in a triangle format without compromising on cell quality, discharge performance, or build aesthetics. The Triangle Ebike Battery 48V 30Ah is the energy source for serious 48V and 52V conversions where range, power, and clean build integration all matter equally.
At 30Ah and 48V nominal, the Triangle Ebike Battery 48V 30Ah stores 1440Wh of usable energy — the highest capacity available in the 48V triangle format, and a substantial 50% step up from the 20Ah triangle pack. For a 48V motor system consuming 15–20Wh per kilometre under mixed conditions, 1440Wh delivers an estimated range of 72–96km per charge from a mid drive system in the 250W–350W range. Higher-output motor systems in the 750W–2000W range draw more energy per kilometre but still deliver full-day range figures that make this electric bike battery the natural choice for extended commuting, multi-day touring stages, cargo and delivery applications, and any 48V build where eliminating range as a constraint is the design priority.
For direct comparison within the triangle format, the Triangle Ebike Battery 48V 20Ah delivers 960Wh — the Triangle Ebike Battery 48V 30Ah adds 480Wh of additional capacity with the premium LG cell specification and a higher 45A discharge rating. For builders running 2000W hub motor systems that demand maximum sustained discharge capability, the E-Bike Conversion Kit 2000W BLACK is the directly compatible motor platform that benefits from this battery’s full 45A continuous output capability.
The cell chemistry inside this triangle battery is the foundation of its performance and longevity. Built on Grade A 21700 LG5000mAh lithium-ion cells, this triangle battery 48V uses one of the highest-energy-density commercial lithium-ion cell formats available. LG cell chemistry is among the most respected in the industry for capacity consistency, cycle performance, and thermal stability — and the 5000mAh per-cell capacity at 21700 format is the premium cell specification that enables 1440Wh in a manageable triangle physical footprint. Grade A selection means every cell in the pack is manufactured to the tightest internal resistance tolerances, ensuring balanced charge distribution across the entire series string and uniform ageing across all cells over the pack’s full service life.
The cycle life specification reflects this premium cell quality: 800–1000+ cycles before capacity degrades to 80% of the original 1440Wh rating. At one full charge per day, that represents over two years at the conservative end and close to three years at the upper end of the range — a triangle battery built for long-term ownership rather than short-term performance.
The 45A discharge current specification of the Triangle Ebike Battery 48V 30Ah is what sets it apart from standard 40A-rated 48V packs and makes it the correct energy source for high-output motor systems up to 2000W. At 48V nominal, 45A continuous discharge delivers up to 2160W of sustained power draw — comfortably above the 2000W maximum motor rating this electric bike battery supports, providing meaningful headroom against BMS protection thresholds under prolonged hard riding conditions. The 5A additional discharge capacity compared to standard 40A BMS packs is what enables sustained 2000W operation without thermal stress or current limiting becoming the constraint in the system. This is the higher-current BMS specification that matches the higher-power motor compatibility of this pack.
The XT60 connector is rated for the 45A continuous current demand of this triangle battery 48V, delivering reliable, low-resistance current flow across hundreds of plug/unplug cycles without contact degradation. XT60 is also the most widely supported connector format in the DIY conversion market — direct compatibility with the majority of motor controllers available without adapter requirements.
The Triangle Ebike Battery 48V 30Ah charges to a full charge cut-off voltage of 54.6V in approximately 7 hours from empty at standard charge rates. The 30Ah capacity is substantial, and the 7-hour charge time reflects gentle thermal conditions during each charging session that contribute directly to the 800–1000+ cycle longevity specification. The BMS terminates charging automatically at the 54.6V cut-off regardless of charger output, eliminating overcharge risk with any compatible charger. Overnight charging routines deliver a fully charged 1440Wh pack every morning without the rider needing to monitor the charging process.
The integrated BMS in the Triangle Ebike Battery 48V 30Ah provides four layers of active protection across every charge and discharge cycle. Overcharge protection terminates charging at 54.6V to prevent cell damage from excess voltage. Over-discharge protection enforces the low-voltage cut-off at the bottom of the discharge curve, preserving cell chemistry across hundreds of cycles. Overcurrent protection limits discharge current under abnormal load conditions, protecting both the LG cells and the connected motor controller from fault damage. Short-circuit protection provides immediate system shutdown in the event of wiring or connector failure.
Active cell balancing during charging ensures every cell in the series string reaches the same state of charge — the critical mechanism that maintains capacity consistency across 800–1000+ cycles and prevents the early-ageing cell divergence that degrades capacity in lower-quality packs. The BMS operates continuously and transparently throughout the pack’s service life, requiring no user maintenance.
The triangle battery format places the pack’s 1440Wh of stored energy inside the main frame triangle — bounded by the down tube, seat tube, and top tube. This positioning delivers two practical advantages over downtube and rear-rack battery mounting. First, weight distribution: mass is centred between both wheels and as low as the frame geometry permits, preserving the natural handling balance of the bicycle even with a substantial battery installed. Second, build aesthetics: the triangle pack fills the empty space inside the frame triangle that most bicycles already have, making the converted bicycle look factory-built rather than aftermarket-assembled. For builders who care about how their conversion looks and handles, the triangle battery 48V format is the right choice.
The durable, heat-resistant outer casing protects the LG cell assembly and BMS electronics from vibration, mechanical impact, and weather exposure during normal riding use. Integrated mounting straps and brackets secure the battery firmly inside the frame triangle without requiring drilling, welding, or permanent frame modification. Verify your frame triangle dimensions against the battery’s physical profile before ordering — frame triangle size varies between bicycle categories, and the higher-capacity 30Ah triangle profile is larger than the 20Ah equivalent.
The Triangle Ebike Battery 48V 30Ah is compatible with most 48V and 52V eBikes and DIY conversion setups, supporting motor systems up to 2000W. This covers high-output hub motor builds, BAFANG BBSHD 1000W mid drive systems, and high-performance custom builds where sustained 2000W output capability is required. For the full range of compatible conversion kits, visit the Conversion Kit category page. For the complete battery range across triangle, downtube, and all voltage/capacity options, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 48V |
| Capacity | 30Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1440Wh |
| Cell Type | Grade A 21700 LG5000mAh |
| Discharge Current | 45A |
| Charging Voltage | 54.6V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~7 hours |
| Connector | XT60 |
| Case Material | Durable, heat-resistant |
| Compatible Motor Power | Up to 2000W (48V/52V) |
| Format | Triangle (frame-integrated) |
The Triangle Ebike Battery 48V 30Ah is the complete, maximum-capacity 48V triangle battery for high-performance e-bike builds. 1440Wh of stored energy from Grade A 21700 LG5000mAh cells, 45A discharge current, 800–1000+ cycle longevity, four-layer BMS protection, and frame-integrated mounting that delivers a clean build aesthetic with optimal weight distribution — the Triangle Ebike Battery 48V 30Ah is the premium triangle battery 48V and electric bike battery solution for builders who refuse to compromise on range, power, or build quality.
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