Are they lithium or lithium ion. It says lithium iron is that a miss print ?

Both are actually correct! This is the explanation from Wikipedia “The lithium iron phosphate battery (abbreviated as Li-IP, LFP (lithium ferro-phosphate) or LiFePO 4 battery) is a type of lithium-ion battery using lithium iron phosphate (LiFePO 4) as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode.” So, they are Lithium Iron batteries from the Lithium-ion family. I hope that helps.

Is there a bluetooth connection for the BMS?

Nope, a couple of USB charging sockets and that's about it. It does come with a 7A 14.2V charger in case you want to charge it on AC mains.

What is the max solar watts this battery can accept

I used a 300w portable solar panel coupled to a EPEVER 30A MPPT Solar Charge Controller Tracer AN Series. I has been working fine all through the summer.

Manufacturer	KEPWORTH
Brand	KEPWORTH
Product Dimensions	22 x 52.5 x 23 cm; 22 Kilograms
Batteries	1 Lithium Ion batteries required.
Manufacturer reference	Kep12v200ah525
Manufacturer part number	Kep12v200ah525
Amperage	70 Amps
Voltage	12 Volts
Item Weight	22 kg

KEPWORTH

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