Hailong-style 36V 14Ah (504Wh) bottle battery with Samsung cells and USB output. Higher-capacity down-tube pack for everyday 250W pedal-assist conversions.
A 36V 14Ah (504Wh) bottle-style down-tube battery built around genuine Samsung 18650 cells, offering meaningfully more range than entry-level 10Ah Polly packs while keeping the same neat down-tube profile. Bolts to the bottle-cage mounts via a slide-lock base and locks with a key. Includes a 5V USB output, power button with 4-LED fuel gauge and a 20A BMS for over-charge, over-discharge and short-circuit protection. Supplied with mounting base, a 42V 2A charger and two keys. As a bare battery it has no throttle rating — combined with a 250W pedal-assist kit the resulting bike is road-legal in the UK (EAPC); combined with a higher-power or throttle kit it is for off-road / private land use only.
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