I seem to be the sole owner (prepared to admit to) owning an Ape Eco Bee, which is a pure electric version of the Ape50. It has a removable battery that sits in a sliding tray behind the cab, under the box, which is a 32volt Lithium Ion thing, housed in a stainless steel box with loads of computer gubbins. I got it with zero charge available and below the charging envelope... potentially new battery territory. Being a tenacious old git, I popped the lid on the battery box and slowly fed current directly into the cell pack using a fully adjustable charger. It had done bugger all in its life and I thought, correctly, that it needed no more than some TLC to get it going again (instead of £1200 of new battery). Once up to charge capable voltage, it became chargeable and viable once more. You need to be extremely vigilant with lithium batteries in order not to damage them or set off a chain reaction that sets the whole lot on fire... hence my specialist charger and pretty much sitting next to the thing, keeping an eye on temperature and my multimeter. It no drives, but has a glitch somewhere, yet to be investigated, that kicks out the solenoid as you accelerate forwards. Reverse is fine, so perhaps the non-functioning speedo has some connection with forward motion? Time and weather will tell all.