BP-Y24L v3 — High-Capacity USB-C Battery for Yaesu FT-70
More Power. Modern Charging. Built to Last.
The BP-Y24L is a 3,500mAh (26Wh) extended-life battery pack that replaces the stock 1,800mAh Yaesu FT-70 battery — delivering 1.9× the capacity. Charge it with any USB-C cable, swap the cells when they wear out, and stop carrying spare batteries.
Designed, printed, and hand-assembled in Colorado, USA.
Specifications:
- Capacity: 3,500mAh / 26Wh (1.9× stock)
- Cells: Samsung 35E 18650 (or equivalent high-capacity cells), user-replaceable
- Charging: USB-C, 15W with PPS (Programmable Power Supply) support
- Charge Time: Under 2 hours typical, under 3 hours max
- Runtime: Up to 32 hours (receive standby)
- Protection: Built-in BMS — overcharge, over-discharge, and short-circuit protection
- Housing: 3D-printed ASA (heat-resistant, UV-stable, textured grip)
- Weight: 4.6 oz
- Thickness: 24mm
- Color: Black
- Warranty: 1 year
Compatibility:
Yaesu FT-70D / FT-70DR
What's Included:
- (1) BP-Y24L v3 battery pack, fully assembled
Design Details:
The v3 shell features improved exterior texture and a secure fit to the radio. Each battery is 3D-printed and hand-assembled — minor texture variations are cosmetic and do not affect performance.
Charging Notes:
Not all USB-C cables are created equal. If charging doesn't start, try a different cable. USB-A to USB-C cables are the most universally reliable. PPS-capable chargers will negotiate the optimal charge rate automatically.
Recommended Charger:
Any USB-C charger rated 15W or higher will charge the battery at full speed. Lower-wattage chargers will still work — they'll just charge slower. PPS (Programmable Power Supply) chargers will automatically negotiate the optimal charge rate but are not required. A USB-A to USB-C cable with a standard USB-A wall adapter also works and is the most universally reliable option.
Charging Indicator:
- Red + Blue(May appear purple): Charging
- Red only: Fully charged
- Blue only: Slow charge
- Red flashing: Cable or charger issue — swap the cable
User-Serviceable Cells:
The BP-Y24L is designed for long-term ownership. When cell capacity eventually degrades, you can open the pack and replace the 18650 cells yourself. No need to buy a whole new battery.
LED Visibility Note:
The status LED is visible through the open side of the battery. If you can't see it while the battery is installed on the radio, remove the battery to check charging status.
Lead Time & Shipping:
Batteries are made to order in small batches. Current lead time is posted at the top of the site — please check there for the most up-to-date estimate. Shipping options and costs are calculated at checkout.
- USA: USPS, UPS, and FedEx
- International: UPS, FedEx, and DHL. Customer is responsible for any import duties, taxes, or brokerage fees.
FAQ:
Q: My battery isn't charging.
A: Try a different USB-C cable. If the red light flashes, the battery detected a cable issue — swap it and try again.
Q: Can I replace the cells myself?
A: Yes. The BP-Y24L is user-serviceable. The cells are 18650s and can be swapped when needed.
BP-Y24L User Guide PDF
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