Official Happyrun Tank G100 Replacement Top Battery – 72V 18Ah
$459.00 Original price was: $459.00.$400.99Current price is: $400.99.
Swap out an aging pack or carry a backup on long trail rides with the genuine OEM Happyrun Tank G100 Replacement Top Battery. Engineered explicitly for the upper “fuel-tank” chassis dock of the G100 and G100 Pro platforms, this high-capacity lithium power pack integrates seamlessly with the bike’s dual-battery balance module to maintain high-voltage 72V output during high-speed acceleration.
Core Benefits:
-
Genuine OEM Fit: Snaps directly into the upper battery track over the top tube with a plug-and-play fit—no wire splicing required.
-
High-Voltage Stability: Keeps your 6000W peak hub motor fed with consistent power to maintain a stable top speed up to 50 MPH.
-
Secure Locking Mechanism: Built-in key lock cylinder secures the battery pack directly to your bike frame to prevent theft and trail rattle.
-
Integrated Power Gauge: Features a quick-view physical LED charge indicator on the casing to check your capacity at a glance when off the bike.
Strict Compatibility Note:
This is the Upper / Top Battery unit only. It is uniquely shaped like a motorcycle fuel tank and will not fit into the lower down-tube battery slot. It is designed exclusively for the Happyrun Tank G100 and G100 Pro 72V models.
Technical Specifications
| Feature | Specification |
| Battery Chemistry | Premium Lithium-Ion |
| Voltage Configuration | 72V (Nominal) |
| Capacity Rating | 18Ah (Amp-Hours) | 1,296Wh (Watt-Hours) |
| Chassis Placement | Upper Frame Position Only (“Fuel Tank” Mount style) |
| Locking Security | Integrated Keyed Lock Assembly (Keys included) |
| Charging Interface | Standard XLR Charging Port (Charger sold separately) |
| Compatibility List | Happyrun Tank G100, Tank G100 Pro (72V Hub Motor Systems) |
| Incompatible Models | Lower Down-Tube slots, or older 48V/60V Happyrun bike models |
Related products
AMPX Smart E-Bike Replacement LCD Displays – SW900 & UKC1 TFT Configurations
Take total control over your conversion system's internal parameters. The official AMPX Smart E-Bike Dashboard Display lineup allows you to monitor and adjust your bike's core performance limits on the fly. Available in either the classic, ultra-rugged SW900 monochrome LCD layout or the premium UKC1 full-color vertical TFT matrix, these plug-and-play displays interface seamlessly with standard high-power controllers, giving you immediate access to real-time telemetry, speed limiters, and wheel size configurations.
asion RetroVolt Pro Electric Moped Bike | 2000W Peak, 52V 20Ah Fat Tire E-Bike
Dominate your daily commute and weekend adventures with the ultimate retro power trip. The Jasion RetroVolt Pro reinvents the classic moped aesthetic, packing a massive 2000W peak brushless motor, 99 N·m of torque, and a premium 52V 20Ah battery. Clocking top speeds of up to 38 mph and featuring a dual passenger saddle with precision dual suspension, it delivers explosive acceleration, buttery-smooth handling, and up to 90 miles of range on a single charge.
Jasion X-Hunter ST Folding Full-Suspension Step-Through Electric Bike (1400W Peak)
Low-step accessibility meets rugged trail performance. The Jasion X-Hunter ST transforms all-terrain commuting with an ultra-accessible folding step-through frame layout. Packed with an explosive 1400W peak hub motor and 85 N·m of torque, this high-utility ride features premium Horst-Link four-pivot rear suspension and dual hydraulic disc brakes. Built to comfortably carry a massive 480 lbs maximum payload, it effortlessly transitions from tight apartment storage to rough dirt, sand, and mountain trails.

Reviews
There are no reviews yet.